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How do I change an HTML selected option using JavaScript?
I have option menu like this:
10 Answers
10
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Checking if a string is empty or null in Java [duplicate]
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Correct way to check for null or empty or string containing only spaces is like this:
if(str != null && !str.trim().isEmpty()) { /* do your stuffs here */ }
sh...
Generating random numbers in Objective-C
...ar *dat, int datlen);
DESCRIPTION
The arc4random() function uses the key stream generator employed by the arc4 cipher, which uses 8*8 8
bit S-Boxes. The S-Boxes can be in about (2**1700) states. The arc4random() function returns pseudo-
random numbers in the range of 0 to (2**32)-1...
What's the difference between IQueryable and IEnumerable
I'm confused as to the difference. Being fairly new to .Net, I know I can query IEnumerables using the Linq extensions. So what is this IQueryable and how does it differ?
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Table name as variable
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For static queries, like the one in your question, table names and column names need to be static.
For dynamic queries you should generate the full SQL dynamically, and use sp_executesql to execute it.
Here is an example of a script used to com...
Import existing source code to GitHub
...lowing (I often do this - you create your remote empty repository in bitbucket/github, then push up your source)
Create the remote repository, and get the URL such as git@github.com:/youruser/somename.git or https://github.com/youruser/somename.git
If your local GIT repo is already set up, skips ...
How to check if a number is a power of 2
Today I needed a simple algorithm for checking if a number is a power of 2.
25 Answers
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How different is Scrum practice from Agile Practice? [duplicate]
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Scrum is a framework for developing, delivering, and sustaining complex products, not project management. It was one of the foundations for the agile philosophy described in the manifesto, not a result of it.
– Alan Larime...
Disable, but not uninstall Resharper 4.x onwards
...Sharper 4 and lower using the Visual Studio Add-In Manager (remove the check from check box on the left).
In ReSharper 5 and above (tested up to version 7.0.1), this is how you can suspend ReSharper from the Tools > Options > Resharper
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How to replace part of string by position?
...Builder.ToString();
An alternative is to use String.Substring, but I think the StringBuilder code gets more readable.
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