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How to use XPath in Python?
...he calls to freeDoc() and xpathFreeContext(). This is not very Pythonic.
If you are doing simple path selection, stick with ElementTree ( which is included in Python 2.5 ). If you need full spec compliance or raw speed and can cope with the distribution of native code, go with libxml2.
Sample of ...
Algorithm to get the excel-like column name of a number
...% 26;
$letter = chr(65 + $numeric);
$num2 = intval($num / 26);
if ($num2 > 0) {
return getNameFromNumber($num2 - 1) . $letter;
} else {
return $letter;
}
}
And if you want it one indexed (1 == A, etc):
function getNameFromNumber($num) {
$numeric = ($num ...
Is there XNOR (Logical biconditional) operator in C#?
...r, non-boolean cases present problems, like in this example:
a = 5
b = 1
if (a == b){
...
}
instead, use this:
a = 5
b = 1
if((a && b) || (!a && !b)){
...
}
or
if(!(a || b) && (a && b)){
...
}
the first example will return false (5 != 1), but the second wil...
Try-finally block prevents StackOverflowError
...nally block take twice as long an the stack depth could be
10,000 or more. If you can make 10,000,000 calls per second, this will take 10^3003 seconds or longer than the age of the universe.
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How can I override Bootstrap CSS styles?
I need to modify bootstrap.css to fit my website. I feel it's better to create a separate custom.css file instead of modifying bootstrap.css directly, one reason being that should bootstrap.css get an update, I'll suffer trying to re-include all my modifications. I'll sacrifice some load tim...
What is difference between cacerts and keystore?
What's the difference between the two, cacerts and keystore?
4 Answers
4
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Escaping a forward slash in a regular expression
... don't need to escape it. But AFAIK in all languages, the only special significance the / has is it may be the designated pattern delimiter.
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Android Replace “…” with ellipsis character
...on e.g. the second period), and theoretically languages could render them differently (many asian languages put them in the middle and they're wider (matches a character width)). Non-breaking is useful everywhere, I'm not aware of Android rendering them correctly in other langs though, nor am I awa...
Python, Matplotlib, subplot: How to set the axis range?
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if i use this with hexbin, uses ylim after plot() exposes white background on both plots
– lynxoid
Jun 19 '13 at 19:23
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What's the difference between hard and soft floating point numbers?
...t my executable uses hard floats but my libc uses soft floats. What's the difference?
5 Answers
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