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How to properly URL encode a string in PHP?
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183
For the URI query use urlencode/urldecode; for anything else use rawurlencode/rawurldecode.
The...
Why does MYSQL higher LIMIT offset slow the query down?
... FROM mytable
ORDER BY
id
LIMIT 10000, 30
) q
JOIN mytable t
ON t.id = q.id
See this article:
MySQL ORDER BY / LIMIT performance: late row lookups
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How can you dynamically create variables via a while loop? [duplicate]
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edited Feb 18 '11 at 2:37
answered Feb 18 '11 at 1:28
Jo...
How does the keyword “use” work in PHP and can I import classes with it?
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zerkmszerkms
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Ruby - test for array
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edited Mar 30 at 18:35
siery
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answered Oct 6 '09 at 2...
What's the shebang/hashbang (#!) in Facebook and new Twitter URLs for?
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ceejayozceejayoz
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Unexpected results when working with very big integers on interpreted languages
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36 Answers
36
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select and update database record with a single queryset
...save?
– user5117926
Jul 17 '15 at 5:39
@learning well dude, it all depends on your scenario. The update method is gre...
How to calculate the CPU usage of a process by PID in Linux from C?
... (from Documentation/filesystems/proc.txt in your kernel source):
Table 1-3: Contents of the stat files (as of 2.6.22-rc3)
..............................................................................
Field Content
pid process id
tcomm filename of the executable
s...
A fast method to round a double to a 32-bit int explained
...s source code, I noticed that Lua uses a macro to round a double to a 32-bit int . I extracted the macro , and it looks like this:
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