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JSON: why are forward slashes escaped?
...ire you to do that, it allows you to do that. It also allows you to use "\u0061" for "A", but it's not required. Allowing \/ helps when embedding JSON in a <script> tag, which doesn't allow </ inside strings, like Seb points out.
Some of Microsoft's ASP.NET Ajax/JSON API's use this loophol...
Convert hex string to int in Python
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1130
Without the 0x prefix, you need to specify the base explicitly, otherwise there's no way to tell...
TargetedPatchingOptOut: “Performance critical to inline across NGen image boundaries”?
... find more information about that here: https://stackoverflow.com/a/14982340/631802
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Alter column, add default constraint
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answered Jan 19 '10 at 17:07
SQLMenaceSQLMenace
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Pragma in define macro
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If you're using c99 or c++0x there is the pragma operator, used as
_Pragma("argument")
which is equivalent to
#pragma argument
except it can be used in macros (see section 6.10.9 of the c99 standard, or 16.9 of the c++0x final committee draft)
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what is the difference between ?:, ?! and ?= in regex?
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160
The difference between ?= and ?! is that the former requires the given expression to match and t...
Regular expression to allow spaces between words
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tl;dr
Just add a space in your character class.
^[a-zA-Z0-9_ ]*$
Now, if you want to be strict...
The above isn't exactly correct. Due to the fact that * means zero or more, it would match all of the following cases that one would not usually mean to match:
An empty str...
Scala: What is the difference between Traversable and Iterable traits in Scala collections?
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answered Sep 15 '11 at 3:10
Daniel C. SobralDaniel C. Sobral
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Are multiple `.gitignore`s frowned on?
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answered Jul 22 '10 at 9:01
Jakub NarębskiJakub Narębski
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In Vim, I'd like to go back a word. The opposite of `w`
...nd E will go forward.
– Benoit
Feb 10 '12 at 14:28
1
What's the difference between b and B? Or w...