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Accept function as parameter in PHP
...Damn, I knew it was possible. Was going to answer, but wanted to find some documentation to link to first, and didn't know what it was called exactly. Ah well, now I'll know for when I need to do this as well. Thanks.
– Rob
Apr 23 '10 at 17:01
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Why do we need private subnet in VPC?
...address for their outbound Internet access.
The new managed NAT service does not fundamentally change the applicability of the following information, but this option is not addressed in the content that follows. A NAT instance can still be used as described, or the Managed NAT Gateway service ca...
Parse usable Street Address, City, State, Zip from a string [closed]
...the address into their appropriate fields in a normalized table. I need to do this for approximately 4,000 records and it needs to be repeatable.
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How do I UPDATE from a SELECT in SQL Server?
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How do I use an alias in set? update table set a.col1 = b.col2 from table a inner join table2 b on a.id = b.id; Instead I have to use update table set table.col1 = b.col2 from table a inner join table2 b on a.id = b.id;
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How do I check for C++11 support?
...nt compiler
#endif
It is set to 199711L in Visual Studio 2010 SP1, but I do not know if vendors will be so bold to increase it already if they just have (partial) compiler-level support versus a standard C++ library with all the C++11 changes.
So Boost's defines mentioned in another answer remain...
How do I remove objects from a JavaScript associative array?
...array with a missing index).
When working with instances of Array, if you do not want to create a sparsely populated array - and you usually don't - then you should use Array#splice or Array#pop.
Note that the delete operator in JavaScript does not directly free memory. Its purpose is to remove pr...
How to prune local tracking branches that do not exist on remote anymore
...te tracking branches that are not in the list of remotes.
This line should do the trick (requires bash or zsh, won't work with standard Bourne shell):
git branch -r | awk '{print $1}' | egrep -v -f /dev/fd/0 <(git branch -vv | grep origin) | awk '{print $1}' | xargs git branch -d
This string get...
How do I get the SharedPreferences from a PreferenceActivity in Android?
...shared preferences can be used by other application components. But if you do not need to share the preferences with other components and want to have activity private preferences you can do that with the help of getPreferences() method of the activity. The getPreference method uses the getSharedPre...
How to find list intersection?
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If order is not important and you don't need to worry about duplicates then you can use set intersection:
>>> a = [1,2,3,4,5]
>>> b = [1,3,5,6]
>>> list(set(a) & set(b))
[1, 3, 5]
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What exactly do “u” and “r” string flags do, and what are raw string literals?
... form-feeds, and so on. In normal string literals, each backslash must be doubled up to avoid being taken as the start of an escape sequence.
This syntax variant exists mostly because the syntax of regular expression patterns is heavy with backslashes (but never at the end, so the "except" clause ...