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Default function arguments in Rust
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The typical technique employed here is to use functions or methods with different names and signatures.
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Should I use encoding declaration in Python 3?
...ou only need to use that declaration when you deviate from the default, or if you rely on other tools (like your IDE or text editor) to make use of that information.
In other words, as far as Python is concerned, only when you want to use an encoding that differs do you have to use that declaration...
RGB to hex and hex to RGB
...pect integer values for r, g and b, so you'll need to do your own rounding if you have non-integer values.
The following will do to the RGB to hex conversion and add any required zero padding:
function componentToHex(c) {
var hex = c.toString(16);
return hex.length == 1 ? "0" + hex : he...
Enable zooming/pinch on UIWebView
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you can use webView.scalesPageToFit=YES; programmatically
If you are using in xib than just click the check box "Scaling" scales Page to fit
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Language Books/Tutorials for popular languages
...ivalent of a "book", and in many cases, this means a real dead-tree book.
If you want to learn C, read K&R. If you want to learn C++, read Stroustrup. If you want to learn Lisp/Scheme, read SICP. Etc.
If you're not willing to spend more than $30 and a few hours to learn a language, you prob...
How to sort an IEnumerable
...d-only, that is, you can only retrieve the elements from it, but cannot modify it directly. If you want to sort a collection of strings in-place, you need to sort the original collection which implements IEnumerable<string>, or turn an IEnumerable<string> into a sortable collection first...
How to make the python interpreter correctly handle non-ASCII characters in string operations?
...s ascii as the default encoding for source files, which means you must specify another encoding at the top of the file to use non-ascii unicode characters in literals. Python 3 uses utf-8 as the default encoding for source files, so this is less of an issue.
See:
http://docs.python.org/tutorial/int...
Styling twitter bootstrap buttons
Twitter-Bootstrap buttons are awesomely beautiful. Try them out by scrolling over them
14 Answers
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How to grep and replace
I need to recursively search for a specified string within all files and subdirectories within a directory and replace this string with another string.
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Best way to stress test a website [duplicate]
...ng to use a profiler to track a single request and then work out from that if the performance is ok?
9 Answers
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