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Useful GCC flags for C
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Not really related to C/C++, but useful anyways :
@file
Put all the above good flags (which you all have specified) in a 'file', and use this above flag to use all the flags in that file together.
eg:
File : compilerFlags
-Wall
-std=c99
-Wextra
Then compile :
gcc yourSourc...
lenses, fclabels, data-accessor - which library for structure access and mutation is better
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There are at least 4 libraries that I am aware of providing lenses.
The notion of a lens is that it provides something isomorphic to
data Lens a b = Lens (a -> b) (b -> a -> a)
providing two functions: a getter, and a setter
get (Lens g _) = g
put (Lens _ s) = s
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Find all packages installed with easy_install/pip?
...ckages and their versions. It also allows you to write those packages to a file that can later be used to set up a new environment.
https://pip.pypa.io/en/stable/reference/pip_freeze/#pip-freeze
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How do I dump an object's fields to the console?
... "<=", "<=>", "==", "===", "=~", ">", ">=", "[]", "[]=", "__id__", "__send__", "all?", "any?", "between?", "capitalize", "capitalize!", "casecmp", "center", "chomp", "chomp!", "chop", "chop!", "class", "clone", "collect", "concat", "count", "crypt", "delete", "delete!", "detect", "dis...
Laravel requires the Mcrypt PHP extension
...ted. If it's not then check where the command line is loading your php.ini file from by running php --ini from your terminal.
In this php.ini file you can enable the extension.
OSX
I have heard of people on OSX running in to problems due to the terminal pointing to the native PHP shipped with OSX...
Which data type for latitude and longitude?
...ypes and geometric types.
The geometry and geography data types are provided by the additional module PostGIS and occupy one column in your table. Each occupies 32 bytes for a point. There is some additional overhead like an SRID in there. These types store (long/lat), not (lat/long).
Start read...
What's the fundamental difference between MFC and ATL?
...ts, documents (if you like and/or use that pattern), and compound document files. WTL has its share of cool features, but MFC is the clear feature champ. Both environments support framed main window architectures (frame window with separate view window), SDI and MDI applications, split windows, dial...
How can I switch my signed in user in Visual Studio 2013?
...ings (windows, themes, fonts) you may want first Export your settings to a file, then do the reset, then Import the settings back. I didn't find Developer Command Prompt in default windows 8 metro search, so had to go c:\program files (x86)\microsoft visual studio 12.0 direct.
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Multiple glibc libraries on a single host
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Note that -Wl,--dynamic-linker=file (takes two '-') only works when compiling for ELF executables. Check /sbin/ldconfig -p | grep ld
– Tom
May 28 '12 at 14:08
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Peak memory usage of a linux/unix process
...by yourself, you can embed a line of code to look into "/proc/self/status" file.
– Fileland
Mar 19 at 6:00
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