use jQuery to get values of selected checkboxes
I want to loop through the checkboxgroup 'locationthemes' and build a string with all selected values. So when checkbox 2 and 4 are selected the result would be: "3,8" ``` <input type="checkbox" name...
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- 26 Oct at 08:39
Use CSS to automatically add 'required field' asterisk to form inputs
What is a good way to overcome the unfortunate fact that this code will not work as desired: ``` <div class="required"> <label>Name:</label> <input type="text"> </div> <style> .required ...
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- 25 Jun at 21:33
Check if pull needed in Git
How do I check whether the remote repository has changed and I need to pull? Now I use this simple script: ``` git pull --dry-run | grep -q -v 'Already up-to-date.' && changed=1 ``` But it is rath...
SQL update statement in C#
I have table ``` P_ID LastName FirstName Address City 1 Hansen Ola 2 Svendson Tove 3 Petterson Kari 4 Nilsen Johan ...and s...
How do I wait for a promise to finish before returning the variable of a function?
I'm still struggling with promises, but making some progress thanks to the community here. I have a simple JS function which queries a Parse database. It's supposed to return the array of results, bu...
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- 3 Jan at 21:12
mysqli_fetch_array() expects parameter 1 to be mysqli_result, boolean given in
I'm have some trouble checking if a Facebook User_id already exists in my database (if it doesn't it should then accept the user as a new one and else just load the canvas application). I ran it on my...
Deserialize JSON object into dynamic object using Json.net
Is it possible to return a dynamic object from a json deserialization using json.net? I would like to do something like this: ``` dynamic jsonResponse = JsonConvert.Deserialize(json); Console.WriteLi...
How to find out line-endings in a text file?
I'm trying to use something in bash to show me the line endings in a file printed rather than interpreted. The file is a dump from SSIS/SQL Server being read in by a Linux machine for processing. - A...
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- 22 Nov at 15:14
Python's time.clock() vs. time.time() accuracy?
Which is better to use for timing in Python? time.clock() or time.time()? Which one provides more accuracy? for example: ``` start = time.clock() ... do something elapsed = (time.clock() - start) ``...
Close iOS Keyboard by touching anywhere using Swift
I have been looking all over for this but I can't seem to find it. I know how to dismiss the keyboard using `Objective-C` but I have no idea how to do that using `Swift`? Does anyone know?
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- 4 Sep at 16:41
How should I have explained the difference between an Interface and an Abstract class?
In one of my interviews, I have been asked to explain the difference between an and an . Here's my response: > Methods of a Java interface are implicitly abstract and cannot have implementations...
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- 24 Sep at 04:6
What is causing this error - "Fatal error: Unable to find local grunt"
I removed the old version of grunt first, then I installed the new grunt version, and then I got this error: > D:\www\grunt-test\grunt grunt-cli: The grunt command line interface. (v0.1.4)Fatal err...
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- 30 Nov at 03:1
How to allow only one radio button to be checked?
``` {% for each in AnswerQuery %} <form action={{address}}> <span>{{each.answer}}</span><input type='radio'> <span>Votes:{{each.answercount}}</span> <br> </form> {% end...
Setting the filter to an OpenFileDialog to allow the typical image formats?
I have this code, how can I allow it to accept all typical image formats? PNG, JPEG, JPG, GIF? Here's what I have so far: ``` public void EncryptFile() { OpenFileDialog dialog = new ...
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- 2 Aug at 22:27
Import PEM into Java Key Store
I am trying to connect to an SSL server which requires me to authenticate myself. In order to use SSL over Apache MINA I need a suitable JKS file. However, I have only been given a .PEM file. How wo...
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- 26 Jan at 11:6
Canvas width and height in HTML5
Is it possible to fix the width and height of an HTML5 `canvas` element? The usual way is the following : ``` <canvas id="canvas" width="300" height="300"></canvas> ```
'typeid' versus 'typeof' in C++
I am wondering what the difference is between `typeid` and `typeof` in C++. Here's what I know: - `typeid` is mentioned in the documentation for [type_info](http://www.cplusplus.com/reference/typein...
Push method in React Hooks (useState)?
How to push element inside useState array React hook? Is that as an old method in react state? Or something new? E.g. [setState push example](https://stackoverflow.com/questions/41052598/reactjs-arra...
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- 25 Feb at 06:24
Check if a file exists or not in Windows PowerShell?
I have this script which compares files in two areas of the disk and copies the latest file over the one with the older modified date. ``` $filestowatch=get-content C:\H\files-to-watch.txt $adminFi...
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- 24 Oct at 09:31
Eclipse: Enable autocomplete / content assist
How can I enable autocomplete in Eclipse? I can't find it!
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- 11 May at 03:3
What is the best way to remove accents (normalize) in a Python unicode string?
I have a Unicode string in Python, and I would like to remove all the accents (diacritics). I found on the web an elegant way to do this (in Java): 1. convert the Unicode string to its long normalize...
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- 30 Jun at 23:47
Most popular screen sizes/resolutions on Android phones
I understand that Android's developer site provides information on this topic. I have already read the following three pages: - [Supporting Multiple Screens](http://developer.android.com/guide/practic...
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- 22 May at 07:48
Getting "type or namespace name could not be found" but everything seems ok?
I'm getting a: > type or namespace name could not be found error for a C# WPF app in VS2010. This area of code was compiling fine, but suddenly I'm getting this error. I've tried removing the Projec...
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- 22 Jun at 13:11
How can I avoid "RuntimeError: dictionary changed size during iteration" error?
I have a dictionary of lists in which some of the values are empty: ``` d = {'a': [1], 'b': [1, 2], 'c': [], 'd':[]} ``` At the end of creating these lists, I want to remove these empty lists before ...
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- 2 Feb at 16:23
How to use CSS to surround a number with a circle?
I would like to surround a number in a circle like in this image:  Is this possible and how is it achieved?
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- 14 Dec at 12:40