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Effects of the extern keyword on C functions
...since it will be encountered later. Functions and variables are treated equally in this regard.
It's very useful if you need to share some global between modules and don't want to put / initialize it in a header.
Technically, every function in a library public header is 'extern', however labeling...
JSP tricks to make templating easier?
...eem to make it easy to work with common includes and variables, much like PHP , but I'd like to know a simple way to get something like template inheritance ( Django style) or at least be able to have a base.jsp file containing the header and the footer, so I can insert content later.
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Stack, Static, and Heap in C++
... You can have a dynamic object allocated on static memory just fine, for example, overload op new.
– Johannes Schaub - litb
Jan 5 '09 at 22:50
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Django DB Settings 'Improperly Configured' Error
...s! That wasn't quite clear to me in the documentation, or maybe I read it & forgot by the time I needed to do it.
– Zamphatta
Mar 24 '13 at 0:13
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How can I selectively escape percent (%) in Python strings?
I have the following code
7 Answers
7
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In Java, what does NaN mean?
...ce
some undefined result. For example,
0.0 divided by 0.0 is arithmetically undefined. Taking the square root of a
negative number is also undefined.
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Open Cygwin at a specific folder
..."$0\" ; exec bash"
In the Windows Explorer, you right-click on a folder & select Send To > Bash Here.
And here's the opposite trick, opening a Windows Explorer in your current bash dir. Create this alias:
alias winx='/cygdrive/c/Windows/explorer.exe /e,\`cygpath -w .\`'
Note: the cygpa...
Function in JavaScript that can be called only once
... this function as a callback, it can still be called multiple times. For example: setInterval(foo, 1000) - and already this doesn't work anymore. You're just overwriting the reference in the current scope.
– a cat
Mar 28 '16 at 7:43
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Reflecting parameter name: abuse of C# lambda expressions or syntax brilliance?
...type inference can do that). This can be expressed in the CLR. But F# disallows it, mostly because if you did that, those APIs would not be callable from C#.) When it comes to interop, there are always trade-offs at 'edge' features regarding what benefits you get versus what interop you trade awa...
Maven Modules + Building a Single Specific Module
...est practices here?
Use the Maven advanced reactor options, more specifically:
-pl, --projects
Build specified reactor projects instead of all projects
-am, --also-make
If project list is specified, also build projects required by the list
So just cd into the parent P directory ...