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Is it faster to count down than it is to count up?
Our computer science teacher once said that for some reason it is more efficient to count down than to count up.
For example if you need to use a FOR loop and the loop index is not used somewhere (like printing a line of N * to the screen)
I mean that code like this:
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Python module os.chmod(file, 664) does not change the permission to rw-rw-r— but -w--wx----
Recently I am using Python module os, when I tried to change the permission of a file, I did not get the expected result. For example, I intended to change the permission to rw-rw-r--,
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Is there a way to ignore a single FindBugs warning?
With PMD, if you want to ignore a specific warning, you can use // NOPMD to have that line be ignored.
7 Answers
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Sorting related items in a Django template
Is it possible to sort a set of related items in a DJango template?
4 Answers
4
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Get margin of a View
How can I get the margin value of a View from an Activity? The View can be of any type.
4 Answers
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How to ignore whitespace in a regular expression subject string?
Is there a simple way to ignore the white space in a target string when searching for matches using a regular expression pattern? For example, if my search is for "cats", I would want "c ats" or "ca ts" to match. I can't strip out the whitespace beforehand because I need to find the begin and en...
Centering the pagination in bootstrap
I have this code in pagination
14 Answers
14
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What is a .pid file and what does it contain?
I recently come across a file with the extension .pid and explored inside it but didn't find much. The documentation says:
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Select first occurring element after another element
I've got the following HTML code on a page:
5 Answers
5
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Is there a Java standard “both null or equal” static method?
To save some typing and clarify my code, is there a standard version of the following method?
3 Answers
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