How can I center an absolutely positioned element in a div?
I want to place a `div` (with `position:absolute;`) element in the center of the window. But I'm having problems doing so, because the . I tried the following CSS code, but it needs to be adjusted bec...
- Modified
- 25 Jul at 09:50
Angular: conditional class with *ngClass
What is wrong with my Angular code? I am getting the following error: > Cannot read property 'remove' of undefined at BrowserDomAdapter.removeClass ``` <ol> <li *ngClass="{active: step==='step1'}" (...
- Modified
- 28 Feb at 07:58
How to check if a string is a substring of items in a list of strings
How do I search for items that contain the string `'abc'` in the following list? ``` xs = ['abc-123', 'def-456', 'ghi-789', 'abc-456'] ``` The following checks if `'abc'` is in the list, but does not...
Stylesheet not loaded because of MIME type
I'm working on a website that uses [Gulp.js](https://en.wikipedia.org/wiki/Gulp.js) to compile and browser sync to keep the browser synchronised with my changes. The Gulp.js task compiles everything p...
- Modified
- 29 Sep at 00:4
How to get GET (query string) variables in Express.js on Node.js?
Can we get the variables in the query string in Node.js just like we get them in `$_GET` in PHP? I know that in Node.js we can get the URL in the request. Is there a method to get the query string pa...
- Modified
- 4 May at 12:1
How to read a local text file in the browser?
I’m trying to implemennt a simple text file reader by creating a function that takes in the file’s path and converts each line of text into a char array, but it’s not working. ``` function readTextFil...
- Modified
- 2 Aug at 15:39
Deleting DataFrame row in Pandas based on column value
I have the following DataFrame: ``` daysago line_race rating rw wrating line_date 2007-03-31 62 11 56 1.000000 56.000...
- Modified
- 6 Oct at 08:44
jQuery Ajax error handling, show custom exception messages
Is there some way I can show custom exception messages as an alert in my jQuery AJAX error message? For example, if I want to throw an exception on the server side via [Struts](http://en.wikipedia.org...
How can I change CSS display none or block property using jQuery?
How can I change CSS display none or block property using jQuery?
- Modified
- 6 May at 13:55
Homebrew install specific version of formula?
How do I install a specific version of a formula in homebrew? For example, postgresql-8.4.4 instead of the latest 9.0.
- Modified
- 8 Aug at 11:50
How can I make a button redirect my page to another page?
I have been trying the following: ``` <form action="/home" class="inline"> <button class="float-left submit-button" >Home</button> </form> ``` It seems to work but it goes to the page "/home?" ...
- Modified
- 3 Jul at 09:32
Convert JS object to JSON string
If I defined an object in JS with: ``` var j={"name":"binchen"}; ``` How can I convert the object to JSON? The output string should be: ``` '{"name":"binchen"}' ```
- Modified
- 16 Oct at 15:42
Convert a PHP object to an associative array
I'm integrating an API to my website which works with data stored in objects while my code is written using arrays. I'd like a quick-and-dirty function to convert an object to an array.
How to get current time and date in Android
How can I get the current time and date in an Android app?
How to change the output color of echo in Linux
I am trying to print a text in the terminal using echo command. I want to print the text in a red color. How can I do that?
- Modified
- 13 Dec at 04:12
How to check a radio button with jQuery?
I try to check a radio button with jQuery. Here's my code: ``` <form> <div id='type'> <input type='radio' id='radio_1' name='type' value='1' /> <input type='radio' id='radio_2' na...
- Modified
- 25 Jun at 15:1
Get JavaScript object from array of objects by value of property
Let's say I have an array of four objects: ``` var jsObjects = [ {a: 1, b: 2}, {a: 3, b: 4}, {a: 5, b: 6}, {a: 7, b: 8} ]; ``` Is there a way that I can get the third object (`{a: 5,...
- Modified
- 15 Feb at 21:50
Undoing a git rebase
How do I easily undo a git rebase? A lengthy manual method is: 1. checkout the commit parent to both of the branches 2. create and checkout a temporary branch 3. cherry-pick all commits by hand 4. re...
- Modified
- 7 Aug at 20:15
How to remove item from array by value?
Is there a method to remove an item from a JavaScript array? Given an array: ``` var ary = ['three', 'seven', 'eleven']; ``` I would like to do something like: ``` removeItem('seven', ary); ``` ...
- Modified
- 29 Sep at 12:45
How can I undo pushed commits using git?
I have a project in a remote repository, synchronized with a local repository (development) and the server one (prod). I've been making some commited changes already pushed to remote and pulled from t...
- Modified
- 27 Jan at 11:0
Converting string to byte array in C#
I'm converting something from VB into C#. Having a problem with the syntax of this statement: ``` if ((searchResult.Properties["user"].Count > 0)) { profile.User = System.Text.Encoding.UTF8.GetStr...
How do I disable the resizable property of a textarea?
I want to disable the resizable property of a `textarea`. Currently, I can resize a `textarea` by clicking on the bottom right corner of the `textarea` and dragging the mouse. How can I disable this?...
What is RESTful programming?
What exactly is [RESTful programming](https://en.wikipedia.org/wiki/Representational_state_transfer)?
- Modified
- 10 Jul at 23:19
How do I create a list with numbers between two values?
How do I create an ascending list between two values? For example, a list between 11 and 16: ``` [11, 12, 13, 14, 15, 16] ```
Vertically align text within a div
The code below (also available as [a demo on JS Fiddle](http://jsfiddle.net/9Y7Cm/3/)) does not position the text in the middle, as I ideally would like it to. I cannot find any way to vertically cent...
- Modified
- 26 Jun at 09:16