text stringlengths 15 59.8k | meta dict |
|---|---|
Q: How to modify non-configurable, non-writable properties in Javascript? I'm writing a simple EventEmitter is ES5.
The objective is to ensure that all properties on EventEmitter instances are
non-writable and non-configurable."
After 6 hours of racking my brain I still can't figure out how to, increase the listenerCou... | {
"language": "en",
"url": "https://stackoverflow.com/questions/41069927",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "2"
} |
Q: Image hiding under button android Image view is hiding under the button what changes I can do so that the image view can be above the button view pager also have bottom padding so that button can properly accommodate. The image is showing on the other parts but not above the button.
<?xml version="1.0" encoding="u... | {
"language": "en",
"url": "https://stackoverflow.com/questions/70017985",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "0"
} |
Q: Handling multiple exceptions I have written a class which loads configuration objects of my application and keeps track of them so that I can easily write out changes or reload the whole configuration at once with a single method call. However, each configuration object might potentially throw an exception when doin... | {
"language": "en",
"url": "https://stackoverflow.com/questions/2444580",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "8"
} |
Q: What is the meaning of Duration in Amazon RDS Backup window What does Duration specify?
Does it mean that the backup will start between 01:00 to 01:30 and keep running until it has completed? Or does it have a different meaning?
A: The duration window indicates the time in which the backup will start. I can start ... | {
"language": "en",
"url": "https://stackoverflow.com/questions/58445170",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "-1"
} |
Q: Uncontrolled input of type text to be controlled warning I'm trying to create a multi step registration form using React and Redux.
The main component is as follows :
import React, {PropTypes} from 'react';
import {connect} from 'react-redux';
import {bindActionCreators} from 'redux';
import * as actionCreators ... | {
"language": "en",
"url": "https://stackoverflow.com/questions/38014397",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "6"
} |
Q: Interleaving the rows of two different SQL tables, group by one row My Sql query is like this
$view = mysql_query ("SELECT domain,count(distinct session_id) as
views FROM `statistik` left join statistik_strippeddomains on
statistik_strippeddomains.id = statistik.strippeddomain WHERE
`an... | {
"language": "en",
"url": "https://stackoverflow.com/questions/39852573",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "0"
} |
Q: Query conditions to insert data from a form What I'm trying to do is:
If the age input in my form = 28, 30, 25 or 21 then I want to auto insert value 8 in the column (VE), else keep it empty. Is this the right way to do that?
if($form_data->action == 'Insert')
{
$age=array(28, 30, 25, 21);
... | {
"language": "en",
"url": "https://stackoverflow.com/questions/58903757",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "1"
} |
Q: Accessing array value is null Hello I have decoded a json string that I sent to my server and Im trying to get the values from him.
My problem is that I cant get the values from the inner arrays.
This is my code:
<?php
$post = file_get_contents('php://input');
$arrayBig = json_decode($post, true);
for... | {
"language": "en",
"url": "https://stackoverflow.com/questions/21893968",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "1"
} |
Q: Composer update show this error: VirtualAlloc() failed: [0x00000008] Composer worked find yesterday, but today after I trying install:
composer require --prefer-dist "himiklab/yii2-recaptcha-widget" "*"
While run composer update command it show me error:
VirtualAlloc() failed: [0x00000008] VirtualAlloc() failed:
[0... | {
"language": "en",
"url": "https://stackoverflow.com/questions/49994946",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "2"
} |
Q: How do I get the original values of in an Update SQL Trigger I'm not very familiar with triggers so thank you for your patience.
I have a database table with four columns for user text input and just four date columns showing when the user text input was last changed. What I want the trigger to do is to compare the ... | {
"language": "en",
"url": "https://stackoverflow.com/questions/10453001",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "3"
} |
Q: Create Executable progeam of addition in C on linux I am new to Linux. Sorry I am asking very basic question. On windows I have Main.cpp file having code for addition of two number. In Visual studio gives me .exe. But how to do it on Linux. On my Linux machine have gcc compiler no IDE.
What I write in Make file and ... | {
"language": "en",
"url": "https://stackoverflow.com/questions/39793206",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "-3"
} |
Q: QProgressBar updates as function progress How to initializa the operation of QProgressBar, I already declare her maximum, minimum, range and values.
I want to assimilate the progress of QProgressBar with the "sleep_for" function.
Current code:
void MainPrograma::on_pushCorre_clicked()
{
QPlainTextEdit *printNaTe... | {
"language": "en",
"url": "https://stackoverflow.com/questions/64987457",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "1"
} |
Q: Preallocation and Vectorization Speedup I am trying to improve the speed of script I am trying to run.
Here is the code: (my machine = 4 core win 7)
clear y;
n=100;
x=linspace(0,1,n);
% no y pre-allocation using zeros
start_time=tic;
for k=1:n,
y(k) = (1-(3/5)*x(k)+(3/20)*x(k)^2 -(x(k)^3/60)) / (1+(2/5)*x(k)-(... | {
"language": "en",
"url": "https://stackoverflow.com/questions/21564052",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "2"
} |
Q: Scala and Akka HTTP: Request inside a request & issue with threads I am new to learning Scala, Akka Streams and Akka HTTP, so apologies beforehand if the question is too basic.
I want to do an HTTP request inside an HTTP request, just like in the following piece of code:
implicit val system = ActorSystem("ActorSys... | {
"language": "en",
"url": "https://stackoverflow.com/questions/61038711",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "5"
} |
Q: Dealing with four digits: memcache sorts 1000 before 150 from least to greatest In app engine I retrieve a list of items stored in memcache:
items = memcache.get("ITEMS")
and sort them by amount and price:
items.sort(key = lambda x:(x.price, x.amount))
Which works most of the time, when the amount is three digits.... | {
"language": "en",
"url": "https://stackoverflow.com/questions/21960862",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "0"
} |
Q: Do codigniter 3.1.7 support hmvc? I tried but no luck From the very first answer of this
How to implement HMVC in codeigniter 3.0? I tried all steps with codigniter 3.7.1 but no luck. I am still getting 404.
$config['modules_locations'] = array(
APPPATH.'modules/' => '../modules/',
);
Then I tried putting the ... | {
"language": "en",
"url": "https://stackoverflow.com/questions/48606954",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "0"
} |
Q: Saving time - Compiling c++ and plotting at the same time gnuplot Hi in order to save time whene I execute the code I command this line :
g++ name.cpp && ./a.out
where nome,cpp is the name of the file that contains the code. If I succesively I need to plot some data generated by the exucatable with Gnuplot there i... | {
"language": "en",
"url": "https://stackoverflow.com/questions/50157509",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "-1"
} |
Q: How to put a Hyphen in column Total Cost Value in power bi I have a table with blank value, but i want a hyphen "-" to appear when the value is null.
Using an expression similar to this:
var VLGROUP =
(Expression……
RETURN
IF(
ISBLANK(VLGROUP),
BLANK(),
VLGROUP)
Someone know if is possible?
Thanks!!
enter image descr... | {
"language": "en",
"url": "https://stackoverflow.com/questions/63953889",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "1"
} |
Q: Constraints on an embedded subclass - Grails, GORM, Mongo I've been pulling my hair out with this issue for a couple of days.
I have an embedded subclass with several specified constraints. My issue is that these constraints are never enforced,
I'm using grails 2.3.11 and the mongodb plugin 3.0.2.
Here is my setup (... | {
"language": "en",
"url": "https://stackoverflow.com/questions/26994126",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "1"
} |
Q: MySQL -> PHP Array -> Json need output in array plus object format i am trying to fetch data from MySQL and show it in JSON format
This is the partial PHP code
$sql = "SELECT item, cost, veg, spicy_level FROM food1";
$result = $conn->query($sql);
while($row = $result->fetch_assoc()) {
echo json_encode($ro... | {
"language": "en",
"url": "https://stackoverflow.com/questions/28872111",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "1"
} |
Q: Firebase hosting randomly shows "Site Not Found" at custom domain We recently launched our firebase application at https://tnb-widgets.firebaseapp.com/ and https://thenextbid.com/ (the last one being our custom domain). It all works smoothly except for some seemingly random moments in which it shows a page stating "... | {
"language": "en",
"url": "https://stackoverflow.com/questions/52877497",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "3"
} |
Q: Reduce Time for Checking Out Code in Visual Studio Online I'm trying out VSO and it's taking over 2 minutes to sync with a GitHub repository. It appears that it's checking out the whole thing on every build. I made sure that the "clean" box is unchecked but it had no effect.
Any ideas on how to get it to cache th... | {
"language": "en",
"url": "https://stackoverflow.com/questions/31390786",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "-2"
} |
Q: How to skip a line when reading from a file I am reading stuff from a file and this is the format : c stands for circle and the double is the radius, r for rectangle and the double is width and height respectively and t for triangle and the double represents side length:
c 12
c 2
r 3 4
c 2.4
t 2.9
3 c // wr... | {
"language": "en",
"url": "https://stackoverflow.com/questions/49227626",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "0"
} |
Q: How to filter post by join condition? I have a table called wpps_posts which have this structure:
ID | post_title | post_type
1 foo zoacres-property
2 foo2 zoacres-property
3 foo3 post
I would like to return all the posts with type zoacres-property and also I want filter them... | {
"language": "en",
"url": "https://stackoverflow.com/questions/63576155",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "1"
} |
Q: Convert the existing nested dictionary output in string to a list to iterate over it I have a rest api which provides a list of key value pair's and we need to fetch all the id's from this json output file.
Contents of the json file
{
"count": 6,
"results": [
{
"key": "roles",
... | {
"language": "en",
"url": "https://stackoverflow.com/questions/72434671",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "-1"
} |
Q: how to store Image profile(jpg file) and PDF documents in AWS DynamoDB? I am migrating my Spring MVC services to the AWS API Gateway using Python Lambda with Dynamo Db , I have endpoint where i can store or retrieve the people image and also the reports which is PDF file , can you please suggest me which is the best... | {
"language": "en",
"url": "https://stackoverflow.com/questions/47903547",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "2"
} |
Q: Split a column after specific characters I have a field data in mysql db. For example
quot_number
====================
UMAC/ARC/161299/801
UMAC/LAK/151542/1051
UMAC/LAK/150958/00050
Iam expecting an output as below:
801
1051
00050
Actually the last numbers or characters after the last '/' has to be shown in my sql... | {
"language": "en",
"url": "https://stackoverflow.com/questions/41219251",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "3"
} |
Q: HTTPS connection using PEM Certificate I'm trying to POST HTTPS requests using a PEM certificate like following:
import httplib
CERT_FILE = '/path/certif.pem'
conn = httplib.HTTPSConnection('10.10.10.10','443', cert_file =CERT_FILE)
conn.request("POST", "/")
response = conn.getresponse()
print response... | {
"language": "en",
"url": "https://stackoverflow.com/questions/5896380",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "8"
} |
Q: TFS configure variables on Release definition instantiation I have a release definition setup with several tasks. When a developer wants to create a release from this definition, i'd like to give them the option of selecting which features they'd like to release (turn on/off tasks). Ideally this would be via the Cre... | {
"language": "en",
"url": "https://stackoverflow.com/questions/43777906",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "0"
} |
Q: AWS S3 Internal Server Error: Tyring to upload pdf file on after another I'm trying to generate PDF file using FPDF and PHP and later upload to AWS-s3 and generate the url. When I executed the below code in my local-machine Using XAMPP it's generating files and uploading it to S3.
But When I deployed in AWS server ... | {
"language": "en",
"url": "https://stackoverflow.com/questions/48921630",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "0"
} |
Q: Auto-generate @version value in javadoc For the @version tag in javadoc, I use the same value as in BuildConfig.VERSION_NAME. I would like to inject that value, instead of changing every file for each release.
I tried:
* @version {@value BuildConfig#VERSION_NAME}
and
* @version @versionName (and add -tag versionNam... | {
"language": "en",
"url": "https://stackoverflow.com/questions/58002547",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "1"
} |
Q: How to retrieve data from MongoDb Atlas and display in an ejs file using mongoose and Nodejs Thanks for the help in advance.
I am trying to retrieve data from my database- myFirstDatabase and collection named as 'shipment' in mongondb. This is a nested schema but I am only interested in the parent data for now. I ha... | {
"language": "en",
"url": "https://stackoverflow.com/questions/69067410",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "1"
} |
Q: node.js app running using forever inaccessible after a while I have a node.js server and a java client communicating using socket.io. I use this api https://github.com/Gottox/socket.io-java-client for the java client. I am using forever module
to run my server.
Everything works well but after some time , my server b... | {
"language": "en",
"url": "https://stackoverflow.com/questions/17628274",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "1"
} |
Q: No 'Access-Control-Allow-Origin' header is present on the requested resource. Laravel 5.4 with cors package Hi I was following this tutorial regarding Laravel and VueJs communication.
https://www.youtube.com/watch?v=5hOMkFMxY90&list=PL3ZhWMazGi9IommUd5zQmjyNeF7s1sP7Y&index=8
I have done exactly like it was said in ... | {
"language": "en",
"url": "https://stackoverflow.com/questions/43503718",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "2"
} |
Q: Swift: How to not load AppDelegate during Tests I have an OS X application which on startup loads some data from a server and pushes notifications to the NSUserNotificationCenter.
Now I have the problem that this also happens during my unit tests. I found no way yet to prevent this. Of course I could stub the HTTP l... | {
"language": "en",
"url": "https://stackoverflow.com/questions/39116318",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "7"
} |
Q: How to use std::transform with a lambda function that takes additional parameters In C++ 11 (or higher) can I use std::transform and a lambda function to transform a vector that also takes other parameters? For example, how do I pass param to the lambda function below?
std::vector<double> a{ 10.0, 11.0, 12.0 };
std... | {
"language": "en",
"url": "https://stackoverflow.com/questions/53011875",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "2"
} |
Q: How can I add an intranet-only endpoint to my IIS hosted WCF service? I have a WCF service hosted in IIS that uses basicHttpBindings. I'm adding a new method to the ServiceContract that will be called from a console app to perform an administrative task. I got to thinking, well wouldn't it be nice if I gave this met... | {
"language": "en",
"url": "https://stackoverflow.com/questions/29483797",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "0"
} |
Q: A Quickselect C Algorithm faster than C Qsort I have tried to implement a C QuickSelect algorithm as described in this post (3 way quicksort (C implementation)).
However, all I get are performances 5 to 10 times less than the default qsort (even with an initial shuffling).
I tried to dig into the original qsort sour... | {
"language": "en",
"url": "https://stackoverflow.com/questions/52016431",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "-3"
} |
Q: Get values with no repeated data I have a query like this:
SELECT
P.LegacyKey
,D.DesignNumber
FROM tbl1 AS [SO]
GROUP BY D.DesignNumber,P.LegacyKey
ORDER BY LegacyKey
it returning values like:
+-----------+--------------+
| LegacyKey | DesignNumber |
+-----------+--------------+
| 17134 | ... | {
"language": "en",
"url": "https://stackoverflow.com/questions/54993000",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "0"
} |
Q: @IBDesignable doesn't work in "old" project I have UIView subclass, for example, this:
@IBDesignable
class GradientView: UIView {
@IBInspectable var firstColor: UIColor = UIColor.red
@IBInspectable var secondColor: UIColor = UIColor.green
@IBInspectable var vertical: Bool = true
override func awak... | {
"language": "en",
"url": "https://stackoverflow.com/questions/45217918",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "1"
} |
Q: Passing object messages in Azure Queue Storage I'm trying to find a way to pass objects to the Azure Queue. I couldn't find a way to do this.
As I've seen I can pass string or byte array, which is not very comfortable for passing objects.
Is there anyway to pass custom objects to the Queue?
Thanks!
A: You can use t... | {
"language": "en",
"url": "https://stackoverflow.com/questions/8550702",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "28"
} |
Q: How to add FTP site in IIS 7 in Windows Vista Home premium edition How to add the FTP server in IIS 7 using Windows vista Home Premium Edition?
A: Please check if FTP 7.5 can be used on your Windows Vista machine, http://www.iis.net/expand/FTP
If not, FileZilla is a free alternative, http://filezilla-project.org/do... | {
"language": "en",
"url": "https://stackoverflow.com/questions/2524250",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "0"
} |
Q: NLog not creating a log file inside AWS ec2 Linux I have a .net core application in AWS ec2 linux and it does NOT create a log file. The application on AWS ec2 linux is published with Deployment Mode: Self-contained and Target Runtime: linux-x64.
I tried it on windows and it does create a log file but somehow it's n... | {
"language": "en",
"url": "https://stackoverflow.com/questions/57800735",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "1"
} |
Q: EditText length with "exceptions" I have an EditText and I'd like to set maxLength to four numbers (in range -9999 to 9999). Problem is that if I setandroid:maxLength="4" in xml I can write there e.q "9999" but it doesn't accept "-9999" because of length (5 char). Is there any opportunity how to solve it (programati... | {
"language": "en",
"url": "https://stackoverflow.com/questions/36794789",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "0"
} |
Q: Understanding hashCode(), equals() and toString() in Java I am beginner in Java and although I have a look at several questions and answers in SO, I am not sure if I completely understand the usage of hashCode(), equals() and toString() in Java. I encountered the following code in a project and want to understand th... | {
"language": "en",
"url": "https://stackoverflow.com/questions/69024813",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "1"
} |
Q: How to reference a variable from one activity to another I'm trying to get a variable string and integer from
Main2Activity.java to MainActivity.java
But the problem is that I don't want to use the:
startActivity(intent);
For it to work. I just want the information to be passed so I can use it in my current activ... | {
"language": "en",
"url": "https://stackoverflow.com/questions/48392826",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "0"
} |
Q: Only grep img tags that contain a keyword, but not img tags that don't? Using grep/regex, I am trying to pull img tags out of a file. I only want img tags that contain 'photobucket' in the source, and I do not want img tags that do not contain photobucket.
Want:
<img src="/photobucket/img21.png">
Do Not Want:
<img ... | {
"language": "en",
"url": "https://stackoverflow.com/questions/34882511",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "0"
} |
Q: Icon color of html5 input date picker How can I change the icon color of the native HTML5 date input (<input type="date" />)?
Is it possible to change the calendar icon color to HEX: #018bee or RGB: (1, 139, 238)? I saw a post saying that it was possible using filters, but I was unsuccessful.
Codepen Example:
https... | {
"language": "en",
"url": "https://stackoverflow.com/questions/66974856",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "0"
} |
Q: how can i display data in detail component from list component? i have problem to display data from one component to another component.
i put the data which i fetch from the serve in prova and i display the list of all work. but I can't transfer the data that is on "prova" to another component to make the details vi... | {
"language": "en",
"url": "https://stackoverflow.com/questions/65146369",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "0"
} |
Q: Shifting elements of an array to the right I am aware that there are solutions for shifting arrays out there. However no solution works for me. The code should achieve the following:
The method shift(int[] array, int places) takes in an array, shifts the elements places - times to the right and replaces the "leftove... | {
"language": "en",
"url": "https://stackoverflow.com/questions/70135652",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "1"
} |
Q: Write Json Webhook to Cloud Firestore with Cloud Functions. Cloud Function Failed to Deploy. Function failed on loading user code I have a Webhook that delivers a complex JSON payload to my Cloud Function URL, and writes that JSON to collections & documents within my Cloud Firestore.
I believe the Node.JS Runtime on... | {
"language": "en",
"url": "https://stackoverflow.com/questions/69398084",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "-1"
} |
Q: Server-side redirect that transfers to another server From this question, I concluded that
Response.Redirect simply sends a message (HTTP 302) down to the
browser.
Server.Transfer happens without the browser knowing anything, the
browser request a page, but the server returns the content of another. So doesn't... | {
"language": "en",
"url": "https://stackoverflow.com/questions/34425625",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "0"
} |
Q: How to get name of windows service from inside the service itself I have a bunch of win services written in .NET that use same exact executable with different configs. All services write to the same log file. However since I use the same .exe the service doesn't know its own service name to put in the log file.
Is t... | {
"language": "en",
"url": "https://stackoverflow.com/questions/773678",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "13"
} |
Q: Problems with quad in sympy Can someone explain, why:
from sympy.mpmath import quad
x, y = symbols('x y')
f, g = symbols('f g', cls=Function)
f = x
g = x+1
u_1 = lambda x: f + g
quad(u_1,[-1,1])
gives a mistake and
from sympy.mpmath import quad
x, y = symbols('x y')
f, g = symbols('f g', cls=Function)
f = x
g = x+1... | {
"language": "en",
"url": "https://stackoverflow.com/questions/22326181",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "2"
} |
Q: How to wrap ConcurrentDictionary in BlockingCollection? I try to implement a ConcurrentDictionary by wrapping it in a BlockingCollection but did not seem to be successful.
I understand that one variable declarations work with BlockingCollection such as ConcurrentBag<T>, ConcurrentQueue<T>, etc.
So, to create a Concu... | {
"language": "en",
"url": "https://stackoverflow.com/questions/10736209",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "8"
} |
Q: Shaping json object rows[
{0: c:[{0: {v:'2013'}, 1: {v: 'apple'},2: {v: '200'}}]},
{1: c:[{0: {v:'2014'}, 1: {v: 'apple'},2: {v: '1000'}}]},
{2: c:[{0: {v:'2013'}, 1: {v: 'orange'},2: {v: '200'}}]},
{3: c:[{0: {v:'2014'}, 1: {v: 'orange'},2: {v: '1000'}}]}
]
I am trying to reshape it into something like thi... | {
"language": "en",
"url": "https://stackoverflow.com/questions/29170350",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "0"
} |
Q: In python, how do I print a table using double for loops? Here is my python code,
from fractions import gcd
print "| 2 3 4 5 6 7 8 9 10 11 12 13 14 15"
print "-----------------------------------"
xlist = range(2,16)
ylist = range(2,51)
for b in ylist:
print b, " | "
for a in xlist:
print gcd(a,b)... | {
"language": "en",
"url": "https://stackoverflow.com/questions/35260965",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "0"
} |
Q: Mongo/Monk count of objects in collection I'm 2 hours into Mongo/Monk with node.js and I want to count how many objects I have inserted into a collection but I can't see any docs on how to do this with Monk.
Using the below doesn't seem to return what I expect
var mongo = require('mongodb');
var monk = require('monk... | {
"language": "en",
"url": "https://stackoverflow.com/questions/22972121",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "3"
} |
Q: matching div heights with jQuery trying to match div heights using jQuery, and it seems I can only get it to match the smallest height, but I want it to match the tallest column. from what I can tell the code should find tallest column? so I am very confused, here is what I am using
function matchColHeights(col1, c... | {
"language": "en",
"url": "https://stackoverflow.com/questions/8595657",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "1"
} |
Q: Zebra printer ignores the command I have got Zebra GC420d. Using zebra 0.0.3a, this is an example of my issue:
label = """
^XA
^FO10,10
^A0,40,40
^FD
Hello World
^FS
^XZ
"""
from zebra import zebra
z = zebra('Zebra_GC420d')
z.output(label)
The printer ignores the command and prints the contents of the variable "la... | {
"language": "en",
"url": "https://stackoverflow.com/questions/19790053",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "2"
} |
Q: Node.js WebSocket server is only accepting one client from my local machine I have a really simple Node.js server that uses 'ws' for WebSockets, but it's only accepting one client in what I believe is a multi-client server.
Here's literally the program I'm using to test it right now. Short and simple, but isn't work... | {
"language": "en",
"url": "https://stackoverflow.com/questions/62316993",
"timestamp": "2023-03-29T00:00:00",
"source": "stackexchange",
"question_score": "0"
} |
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