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iOS 7 UIBarButton back button arrow color
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To change the back button chevron color for a specific navigation controller*:
self.navigationController.navigationBar.tintColor = [UIColor whiteColor];
*If you are using an app with more than 1 navigation controller, and you want this chevron color to apply to each, you ...
Why is Linux called a monolithic kernel?
... communicate with the kernel, other services and user processes. In short, if it's a module in Linux, it's a service in a microkernel, indicating an isolated process.
Do not confuse the term modular kernel to be anything but monolithic. Some monolithic kernels can be compiled to be modular (e.g Lin...
Creating a config file in PHP
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Is this also safe to use? If a user would guess the path to the ini file, and goes there in their browser, would they see what's in the file?
– NickGames
Apr 4 '16 at 10:01
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OpenLayers vs Google Maps? [closed]
...penLayers Examples
I hope this is useful. And I'm around Stack Overflow if you have any questions!
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What is the preferred syntax for initializing a dict: curly brace literals {} or the dict() function
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Curly braces. Passing keyword arguments into dict(), though it works beautifully in a lot of scenarios, can only initialize a map if the keys are valid Python identifiers.
This works:
a = {'import': 'trade', 1: 7.8}
a = dict({'import': 'trade', 1: 7.8})
This won't work:
a = ...
Eclipse's Ctrl+click in Visual Studio?
...pse Java I totally got addicted to pressing Ctrl and clicking on an identifier to go to its definition. Since then I've been looking for a way to achieve this in Visual Studio as well.
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Sorting a tab delimited file
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Use -g rather than -n if you want numeric sort. -n is broken.
– Luke Hutchison
Jul 21 at 0:10
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CSS Child vs Descendant selectors
...ct b what is child of b what is child of a.
This example illustrates the difference:
div span{background:red}
div>span{background:green}
<div><span>abc</span><span>def<span>ghi</span></span></div>
Background color of abc and def will be green, ...
Formatting floats without trailing zeros
...ip('0').rstrip('.') -- guarantees fixed-point formatting rather than scientific notation, etc etc. Yeah, not as slick and elegant as %g, but, it works (and I don't know how to force %g to never use scientific notation;-).
s...
AJAX post error : Refused to set unsafe header “Connection”
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What "vulnerability" does Connection: close cause? If you know a request will take a long time, it should be possible to request that it not tie up the persistent connection. Browsers don't support request pipelining either, so if a long running request comes before a normal ...