What is the difference between a URI, a URL, and a URN?
What is the difference between a [URL](http://en.wikipedia.org/wiki/Uniform_Resource_Locator), a [URI](http://en.wikipedia.org/wiki/Uniform_Resource_Identifier), and a [URN](http://en.wikipedia.org/wi...
How do I encode and decode a base64 string?
1. How do I return a base64 encoded string given a string? 2. How do I decode a base64 encoded string into a string?
Run Command Prompt Commands
Is there any way to run command prompt commands from within a C# application? If so how would I do the following: ``` copy /b Image1.jpg + Archive.rar Image2.jpg ``` This basically embeds an RAR f...
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- 15 Feb at 21:14
How do I modify a specific commit?
I have the following commit history: 1. HEAD 2. HEAD~ 3. HEAD~2 4. HEAD~3 `git commit --amend` modifies the current `HEAD` commit. But how do I modify `HEAD~3`?
- Modified
- 11 Jul at 06:50
Create a tag in a GitHub repository
I have a repository in GitHub and I need to it. I tagged in a shell, but on , it is not showing up. Do I have to do anything else? The command I used in the shell is: ``` git tag 2.0 ``` And no...
How to set input type date's default value to today?
Given an input element: ``` <input type="date" /> ``` Is there any way to set the default value of the date field to today's date?
How do I get started with Node.js
Are there any good resources to get started with Node.JS? Any good tutorials, blogs or books? Of course, I have visited its official website [http://nodejs.org/](http://nodejs.org/), but I didn't thi...
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- 13 Jan at 16:5
Convert a String representation of a Dictionary to a dictionary
How can I convert the `str` representation of a `dict`, such as the following string, into a `dict`? ``` s = "{'muffin' : 'lolz', 'foo' : 'kitty'}" ``` I prefer not to use `eval`. What else can I u...
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- 13 Jun at 16:51
How do I create a folder in a GitHub repository?
I want to create a folder in a GitHub repository and want to add files in that folder. How do I achieve this?
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- 10 Nov at 13:56
How to remove spaces from a string using JavaScript?
How to remove spaces in a string? For instance: ``` '/var/www/site/Brand new document.docx' ``` ``` '/var/www/site/Brandnewdocument.docx' ```
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- 19 May at 03:40
java.net.ConnectException: Connection refused
I'm trying to implement a TCP connection, everything works fine from the server's side but when I run the client program (from client computer) I get the following error: ``` java.net.ConnectExceptio...
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- 27 Dec at 06:31
Remove empty array elements
Some elements in my array are empty strings based on what the user has submitted. I need to remove those elements. I have this: ``` foreach($linksArray as $link) { if($link == '') { u...
How to run a function when the page is loaded?
I want to run a function when the page is loaded, but I don’t want to use it in the `<body>` tag. I have a script that runs if I initialise it in the `<body>`, like this: ``` function codeAddress() ...
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- 8 Apr at 08:34
How to force child div to be 100% of parent div's height without specifying parent's height?
I have a site with the following structure: ``` <div id="header"></div> <div id="main"> <div id="navigation"></div> <div id="content"></div> </div> <div id="footer"></div> ``` The navigation ...
How to install Java 8 on Mac
Editors note: This question was asked in 2014, and the answers may be outdated. --- I want to do some programming with the latest JavaFX, which requires Java 8. I'm using IntelliJ 13 CE and Mac OS...
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- 28 Feb at 16:26
How to sort a List/ArrayList?
I have a List of doubles in java and I want to sort ArrayList in descending order. Input ArrayList is as below: ``` List<Double> testList = new ArrayList(); testList.add(0.5); testList.add(0.2); te...
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- 1 Feb at 00:5
Open URL in same window and in same tab
I want to open a link in the same window and in the same tab that contains the page with the link. When I try to open a link by using `window.open`, then it opens in new tab—not in the same tab in th...
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- 10 Dec at 05:15
Pushing to Git returning Error Code 403 fatal: HTTP request failed
I was able to clone a copy of this repo over HTTPS authenticated. I've made some commits and want to push back out to the GitHub server. Using Cygwin on Windows 7 x64. ``` C:\cygwin\home\XPherior\Cod...
When to use static methods
I am wondering when to use static methods? Say if I have a class with a few getters and setters, a method or two, and I want those methods only to be invokable on an instance object of the class. Does...
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- 5 Nov at 10:36
How do I check if an object has a specific property in JavaScript?
How do I check if an object has a specific property in JavaScript? Consider: ``` x = {'key': 1}; if ( x.hasOwnProperty('key') ) { //Do this } ``` Is that the best way to do it?
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- 29 Sep at 23:33
How do you select a particular option in a SELECT element in jQuery?
If you know the Index, Value or Text. also if you don't have an ID for a direct reference. [This](https://stackoverflow.com/questions/149573/check-if-option-is-selected-with-jquery-if-not-select-a-de...
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- 23 May at 12:10
Align image in center and middle within div
I have following div ``` <div id="over" style="position:absolute; width:100%; height:100%> <img src="img.png"> </div> ``` How to align the image so as to be located in the middle and center of div...
Using cURL with a username and password?
I want to access a URL which requires a username/password. I'd like to try accessing it with curl. Right now I'm doing something like: ``` curl http://api.somesite.com/test/blah?something=123 ``` I...
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- 1 Feb at 18:55
How do I find the duplicates in a list and create another list with them?
How do I find the duplicates in a list of integers and create another list of the duplicates?
- Modified
- 17 Jul at 09:28