What should I do when 'svn cleanup' fails?
I have a lot of changes in a working folder, and something screwed up trying to do an update. Now when I issue an 'svn cleanup' I get: ``` >svn cleanup . svn: In directory '.' svn: Error processing ...
- Modified
- 9 Jan at 21:53
How does "this" keyword work within a function?
I just came across an interesting situation in JavaScript. I have a class with a method that defines several objects using object-literal notation. Inside those objects, the `this` pointer is being ...
- Modified
- 21 Jun at 13:35
When the keyboard appears, the Flutter widgets resize. How to prevent this?
I have a Column of Expanded widgets like this: ``` return new Container( child: new Column( crossAxisAlignment: CrossAxisAlignment.stretch, children: <Widget>[ new Exp...
remove kernel on jupyter notebook
How can I remove a kernel from jupyter notebook? I have R kernel on my jupyter notebook. Recently kernel always dies right after I open a new notebook.
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- 14 Oct at 16:0
How to delete an item from state array?
The story is, I should be able to put Bob, Sally and Jack into a box. I can also remove either from the box. When removed, no slot is left. ``` people = ["Bob", "Sally", "Jack"] ``` I now need to r...
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- 17 Jul at 15:34
Git says remote ref does not exist when I delete remote branch
I ran `git branch -a` ``` * master remotes/origin/test remotes/origin/master ``` I want to delete my remote branch I've tried ``` git push origin --delete remotes/origin/test ``` I got ...
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- 2 Mar at 09:16
Where is adb.exe in windows 10 located?
I installed android studio 1.5 on windows 10. When I type in command line: > adb I get command not found. Where can I get it from or where is it installed?
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- 9 Jan at 14:18
What does `return` keyword mean inside `forEach` function?
``` $('button').click(function () { [1, 2, 3, 4, 5].forEach(function (n) { if (n == 3) { // it should break out here and doesn't alert anything after return false } ...
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- 7 Jan at 11:11
How to choose an AWS profile when using boto3 to connect to CloudFront
I am using the Boto 3 python library, and want to connect to AWS CloudFront. I need to specify the correct AWS Profile (AWS Credentials), but looking at the official documentation, I see no way to spe...
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- 24 Mar at 10:8
Adding headers when using httpClient.GetAsync
I'm implementing an API made by other colleagues with Apiary.io, in a Windows Store app project. They show this example of a method I have to implement: ``` var baseAddress = new Uri("https://privat...
- Modified
- 7 Nov at 10:1
XPath: Get parent node from child node
I need get the parent node for child node `title 50` At the moment I am using only ``` //*[title="50"] ``` How could I get its parent? Result should be the `store` node. --- ``` <?xml version...
Insert a line break in mailto body
I would like to insert a line break into my mailto body. I tried %0A, %0D and %0D%0A. Nothing worked for me. I tested on Gmail, Yahoo, Apple Mail, Outlook 2010, Outlook.com and Thunderbird with Googl...
Constant pointer vs Pointer to constant
I want to know the difference between ``` const int* ptr; ``` and ``` int * const ptr; ``` and how it works. It is pretty difficult for me to understand or keep remember this. Please help.
Format / Suppress Scientific Notation from Pandas Aggregation Results
How can one modify the format for the output from a groupby operation in pandas that produces scientific notation for very large numbers? I know how to do string formatting in python but I'm at a lo...
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- 18 Feb at 17:3
Writing data into CSV file in C#
I am trying to write into a `csv` file row by row using C# language. Here is my function ``` string first = reader[0].ToString(); string second=image.ToString(); string csv = string.Format("{0},{1}\n...
Access the css ":after" selector with jQuery
I have the following css: ``` .pageMenu .active::after { content: ''; margin-top: -6px; display: inline-block; width: 0px; height: 0px; border-top: 14px solid white; borde...
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- 22 Jul at 13:41
Regular Expression to get a string between parentheses in Javascript
I am trying to write a regular expression which returns a string which is between parentheses. For example: I want to get the string which resides between the strings "(" and ")" ``` I expect five hun...
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- 29 Dec at 01:6
How to use PHP OPCache?
PHP 5.5 has been released and it features a new code caching module called OPCache, but there doesn't appear to be any documentation for it. So where is the documentation for it and how do I use OPc...
Converting Java objects to JSON with Jackson
I want my JSON to look like this: ``` { "information": [{ "timestamp": "xxxx", "feature": "xxxx", "ean": 1234, "data": "xxxx" }, { "timestamp": "yyy", ...
Adding two numbers concatenates them instead of calculating the sum
I am adding two numbers, but I don't get a correct value. For example, doing `1 + 2` returns 12 and not 3 What am I doing wrong in this code? ``` function myFunction() { var y = document.getEleme...
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- 9 Feb at 21:12
For i = 0, why is (i += i++) equal to 0?
Take the following code (usable as a Console Application): ``` static void Main(string[] args) { int i = 0; i += i++; Console.WriteLine(i); Console.ReadLine(); } ``` The result of `...
How to create streams from string in Node.Js?
I am using a library, [ya-csv](https://github.com/koles/ya-csv), that expects either a file or a stream as input, but I have a string. How do I convert that string into a stream in Node?
- Modified
- 28 May at 13:47
Wordpress how to use jquery and $ sign
I have a simple jQuery script in a WordPress plugin that is using a jQuery wrapper like this: ``` $(document).ready(function(){ // jQuery code is in here }); ``` I am calling this script from...
From list of integers, get number closest to a given value
Given a list of integers, I want to find which number is the closest to a number I give in input: ``` >>> myList = [4, 1, 88, 44, 3] >>> myNumber = 5 >>> takeClosest(myList, myNumber) ... 4 ``` Is ...
<out T> vs <T> in Generics
What is the difference between `<out T>` and `<T>`? For example: ``` public interface IExample<out T> { ... } ``` vs. ``` public interface IExample<T> { ... } ```
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- 18 Apr at 23:43