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Obfuscated C Code Contest 2006. Please explain sykes2.c
...p; 1));
}
}
Converting the recursion to a loop and sneaking in a bit more simplification:
// please don't pass any command-line arguments
main() {
int i;
for(i=447; i>=0; i--) {
if(i % 64 == 0) {
putchar('\n');
} else {
char t = __TIME__[7 - ...
How to round up a number to nearest 10?
... can also pass a third variable if necessary to change the rounding mode.
More info here: http://php.net/manual/en/function.round.php
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“Unsafe JavaScript attempt to access frame with URL…” error being continuously generated in Chrome w
...ct me if I'm wrong)
Chrome has stricter security settings and/or shows more such errors than competing browsers. API/widget/embed authors attempt to do things (cross-domain/frame) that will not work in all browsers (probably for their own reporting/analytics) but that don't actually effect the ...
No increment operator (++) in Ruby? [duplicate]
...increment/decrement operator. For instance, x++ or x-- will fail to parse. More importantly, ++x or --x will do nothing! In fact, they behave as multiple unary prefix operators: -x == ---x == -----x == ...... To increment a number, simply write x += 1.
Taken from "Things That Newcomers to Ruby Sho...
Plot logarithmic axes with matplotlib in python
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Matplotlib has semilogy(). Furthermore, it is easier to directly use pyplot.yscale() than to use ax.set_yscale('log'), as there is no need to get the ax object (which is not always immediately available).
– Eric O Lebigot
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Is string in array?
...is using generics and extension methods.
You can read my blog post to see more information about how to do this, but the main idea is this:
By adding this extension method to your code:
public static bool IsIn<T>(this T source, params T[] values)
{
return values.Contains(source);
}
yo...
error: ‘NULL’ was not declared in this scope
...
Now that C++11 is more generally supported by compilers, it might be worth mentioning the nullptr keyword, which is an actual keyword and doesn't require any #includes. It's also more typesafe than NULL.
– templatetypedef...
Flask-SQLAlchemy import/context issue
...ketch of some of the power this gives you - there is obviously quite a bit more that you can do to make development even easier (using a create_app pattern, auto-registering blueprints in certain folders, etc.)
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Java equivalents of C# String.Format() and String.Join()
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More precisely: StringBuffer for jdk1.4 and below, StringBuilder for jdk1.5 and after, since the latter is not synchronized, hence a little faster.
– VonC
Oct 9 '08 at 15:39
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