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Why are preprocessor macros evil and what are the alternatives?
...d encountered a phrase like "macro should never be used", "macro are evil" and so on, my question is: why? With the new C++11 is there a real alternative after so many years?
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Simulate delayed and dropped packets on Linux
I would like to simulate packet delay and loss for UDP and TCP on Linux to measure the performance of an application. Is there a simple way to do this?
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Guards vs. if-then-else vs. cases in Haskell
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From a technical standpoint, all three versions are equivalent.
That being said, my rule of thumb for styles is that if you can read it as if it was English (read | as "when", | otherwise as "otherwise" and = as "is" or "be"), you're probably ...
Convert PHP closing tag into comment
...enate the string from two pieces. This way, the closing tag is cut in two, and is not a valid closing tag anymore. '?>' --> '?'.'>'
In your code:
$string = preg_replace('#<br\s*/?'.'>(?:\s*<br\s*/?'.'>)+#i', '<br />', $string);
This will make // comments work.
For /*...
Check if object value exists within a Javascript array of objects and if not add a new object to arr
... answered Apr 3 '14 at 17:21
AndyAndy
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Mercurial move changes to a new branch
...evisions 1-2 on a named branch, let's say my-feature. Update to revision 0 and create that branch:
$ hg up 0
$ hg branch my-feature
$ hg ci -m "start new branch my-feature"
The history now looks like this:
@ changeset: 3:b5939750b911
| branch: my-feature
| tag: tip
| parent: ...
How do I scale a stubborn SVG embedded with the tag?
I have some SVG files that specifies width and height as well as viewbox like this:
9 Answers
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In-memory size of a Python structure
Is there a reference for the memory size of Python data stucture on 32- and 64-bit platforms?
7 Answers
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Ruby: How to post a file via HTTP as multipart/form-data?
...ke an HMTL form posted from a browser. Specifically, post some text fields and a file field.
12 Answers
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Is the “struct hack” technically undefined behavior?
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It's not clear if it's legal or portable, but it is rather popular.
and:
... an official interpretation has deemed that it is not strictly conforming with the C Standard, although it does seem to work under all known implementations. (Compilers which check array bounds carefully might iss...