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Pointer arithmetic for void pointer in C
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+100
Final conclusion: arithmetic on a void* is illegal in both C and C++.
GCC allows it as an extension, see Arithmetic on void- and Fun...
Fixed Table Cell Width
...docs/Web/HTML/Element/col
<table class="fixed">
<col width="20px" />
<col width="30px" />
<col width="40px" />
<tr>
<td>text</td>
<td>text</td>
<td>text</td>
</tr>
</table>
an...
JavaScript: Object Rename Key
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203
The most complete (and correct) way of doing this would be, I believe:
if (old_key !== new_key...
ssh: connect to host github.com port 22: Connection timed out
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edited Jan 20 '14 at 0:12
lantrix
35755 silver badges1616 bronze badges
answered Mar 23 '1...
Why does ConcurrentHashMap prevent null keys and values?
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BrunoBruno
107k2323 gold badges249249 silver badges346346 bronze badges
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Why do people still use primitive types in Java?
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400
In Joshua Bloch's Effective Java, Item 5: "Avoid creating unnecessary objects", he posts the fo...
Evaluate expression given as a string
...o change the string into an expression:
> eval(parse(text="5+5"))
[1] 10
> class("5+5")
[1] "character"
> class(parse(text="5+5"))
[1] "expression"
Calling eval() invokes many behaviours, some are not immediately obvious:
> class(eval(parse(text="5+5")))
[1] "numeric"
> class(eval...
Prevent nginx 504 Gateway timeout using PHP set_time_limit()
I am getting 504 timeouts message from nginx when my PHP script is running longer than usual. set_time_limit(0) does not seem to prevent that! Does it not work when running php5-fpm on nginx? If so, whats the proper way of setting the time limit?
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