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What does it mean to start a PHP function with an ampersand?
...t case, they're probably doing it to protect casual hackers, who use php4, from them selves. You shouldn't do this in your own code - It's deprecated.
– troelskn
Nov 4 '09 at 22:36
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Difference between Xcode version (CFBundleShortVersionString) and build (CFBundleVersion)
... iTunes Connect extracts its prerelease version number and build number
from the binary. The prerelease version number is the Xcode Version
number, or the "Bundle version string, short" key in the Info.plist.
The build number is the Xcode Build number, or the "Bundle version"
key in the Inf...
SQL Server - transactions roll back on error?
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From MDSN article, Controlling Transactions (Database Engine).
If a run-time statement error (such as a constraint violation) occurs in a batch, the default behavior in the Database Engine is to roll back only the stateme...
Intersection of two lists in Bash
...indeed need to work with sorted list. And fortunately here we use ls which from ls Bash man page
Sort entries alphabetically if none of -cftuSUX nor --sort.
comm -12 <(ls one) <(ls two)
Alternative with sort
Intersection of two lists:
sort <(ls one) <(ls two) | uniq -d
symme...
Type erasure techniques
...re-virtual types) that can be easily stored locally, and (easily) divorced from the data they are virtualizing.
– Yakk - Adam Nevraumont
Jan 15 '16 at 19:27
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How do you specify that a class property is an integer?
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but this is still number type and you can get float.
Part of description from documentation:
"Aliasing doesn’t actually create a new type - it creates a new name to refer to that type. Aliasing a primitive is not terribly useful, though it can be used as a form of documentation."
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What does (function($) {})(jQuery); mean?
...efine inside that function remains local to that function and inaccessible from the outside world (unless you specifically expose it - usually via a returned object literal).
A variation of this basic form is what you see in jQuery plugins (or in this module pattern in general). Hence:
(function($...
Spring .properties file: get element as an Array
I'm loading properties attributes from a .properties file using Spring as follows:
5 Answers
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Why does (“foo” === new String(“foo”)) evaluate to false in JavaScript?
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From the node.js REPL ("node" on the command-line if installed):
> "foo" === (new String("foo")).valueOf()
true
> "foo" === new String("foo")
false
> typeof("foo")
'string'
> typeof(new String("foo"))
'object'
&g...
Advantages of std::for_each over for loop
...age is that it forces the coder to separate the inner contents of the loop from the actual iteration functionality. (OK, I think it's an advantage. Other's say you're just chopping up the code with no real benifit).
One other advantage is that when I see foreach, I know that either every item will ...