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Difference between string and text in rails?
...humb, use :string for short text input (username, email, password, titles, etc.) and use :text for longer expected input such as descriptions, comment content, etc.
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How do I activate a virtualenv inside PyCharm's terminal?
...ript into a bin directory somewhere. E.g. ~/bin/pycharmactivate
if [ -r "/etc/profile" ] ; then . /etc/profile ; fi
if [ -r "~/.bash_profile" ] ; then
. ~/.bash_profile
elif [ -r "~/.bash_login" ] ; then
. ~/.bash_login
elif [ -r "~/.profile" ] ; then
. ~/.profile
fi
ACTIVATERC=`cat .id...
How to declare an array in Python?
...*The default built-in Python type is called a list, not an array. It is an ordered container of arbitrary length that can hold a heterogenous collection of objects (their types do not matter and can be freely mixed). This should not be confused with the array module, which offers a type closer to th...
ng-repeat :filter by single field
..., looking at the union, rather than intersection?
– jetcom
Dec 30 '13 at 23:53
2
@jetcom, you'll ...
Undefined reference to `pow' and `floor'
...u can now see, functions pow, floor are linked to GLIBC_2.2.5.
Parameters order is important too, unless your system is configured to use shared librares by default, my system is not, so when I issue:
$ gcc -lm fib.o
fib.o: In function `fibo':
fib.c:(.text+0x57): undefined reference to `pow'
fib.c...
How do I link a JavaScript file to a HTML file?
... HTML document, ideally inside the which points to your javascript files. Order of the script tags are important. Load the jQuery before your script files if you want to use jQuery from your script.
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min...
Run a PostgreSQL .sql file using command line arguments
...tements in them and need to run these inserts on my PostgreSQL database in order to add them to a table. The files are that large that it is impossible to open them and copy the INSERT statements into an editor window and run them there. I found on the Internet that you can use the following by navi...
Reverse colormap in matplotlib
I would like to know how to simply reverse the color order of a given colormap in order to use it with plot_surface.
7 Answ...
How to select from subquery using Laravel Query Builder?
...uilder
->count();
Mind that you need to merge bindings in correct order. If you have other bound clauses, you must put them after mergeBindings:
$count = DB::table( DB::raw("({$sub->toSql()}) as sub") )
// ->where(..) wrong
->mergeBindings($sub->getQuery()) // you nee...
Should I add .vcxproj.filter files to source control?
...ntain a description of the folder structure (\Source Files, \Header Files, etc.).
4 Answers
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