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String comparison using '==' vs. 'strcmp()'
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Hidden Features of MySQL
...e number of concurrent connections. The default value is 100 connections (151 since 5.0) - very small.
Note:
connections take memory and your OS might not be able to handle a lot of connections.
MySQL binaries for Linux/x86 allow you to have up to 4096 concurrent connections, but self compiled ...
How do you use String.substringWithRange? (or, how do Ranges work in Swift?)
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259
You can use the substringWithRange method. It takes a start and end String.Index.
var str = "H...
Detect blocked popup in Chrome
... thing you can do is wrap your test in a setTimeout() and give the popup 3-5 seconds to complete loading before running the test. It's not perfect, but it should work at least 95% of the time.
Here's the code I use for cross-browser detection, without the Chrome part.
function _hasPopupBlocker(pop...
How to do version numbers? [closed]
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259
[major].[minor].[release].[build]
major: Really a marketing decision. Are you ready to call th...
Changing UIImage color
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265
Since iOS 7, this is the most simple way of doing it.
Objective-C:
theImageView.image = [theIm...
What to do about Eclipse's “No repository found containing: …” error messages?
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450
Quick answer
Go to Help → Install new software → Here uncheck “Contact all update sites ...
How to generate all permutations of a list?
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517
Starting with Python 2.6 (and if you're on Python 3) you have a standard-library tool for this...