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Impossible to Install PG gem on my mac with Mavericks
...ning: Could not link postgresql. Unlinking... Error: Could not symlink file:... is not writable. You should change its permissions. And everything is brew fault,after i brew install/link postgresql The installation goes to: Linking /usr/local/Cellar/postgresql/9.3.4... which is in my case a ...
How to pick a new color for each plotted line within a figure in matplotlib?
...
You can also change the default color cycle in your matplotlibrc file.
If you don't know where that file is, do the following in python:
import matplotlib
matplotlib.matplotlib_fname()
This will show you the path to your currently used matplotlibrc file.
In that file you will find among...
How to do SQL Like % in Linq?
... why this wasn't working for a use case with letters, then realized my stupidity... don't forget .ToLower().Contains() etc if you want to ignore case. Whether you want this will of course depend on whether your trying to mimic LIKE from a DB with case insensitive collation or not.
...
Is there an “exists” function for jQuery?
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@abhirathore2006 If you use an id selector and the element doesn't exist then length is 0 and doesn't throw exceptions.
– Robert
Jun 29 '17 at 20:35
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How to create a simple map using JavaScript/JQuery [duplicate]
...hough, that is not possible. If you want to map data based on, for example File objects, there is no reliable way to do this because the attributes that the File object exposes are not enough to ensure its uniqueness. (You may have two File objects that represent different files on disk, but there i...
How to check that an object is empty in PHP?
...MLElement:
If by empty you mean has no properties:
$obj = simplexml_load_file($url);
if ( !$obj->count() )
{
// no properties
}
OR
$obj = simplexml_load_file($url);
if ( !(array)$obj )
{
// empty array
}
If SimpleXMLElement is one level deep, and by empty you actually mean that it ...
How to Create Multiple Where Clause Query Using Laravel Eloquent?
...where clauses
$query=DB::table('users')
->whereRaw("users.id BETWEEN 1003 AND 1004")
->whereNotIn('users.id', [1005,1006,1007])
->whereIn('users.id', [1008,1009,1010]);
$query->where(function($query2) use ($value)
{
$query2->where('user_t...
String comparison in Python: is vs. == [duplicate]
...x==y is also
True.
Not always. NaN is a counterexample. But usually, identity (is) implies equality (==). The converse is not true: Two distinct objects can have the same value.
Also, is it generally considered better to just use '==' by default, even
when comparing int or Boolean value...
How to dynamically compose an OR query filter in Django?
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Thanks! This was what I was looking for :) Didn't know you could do |=
– Jack Ha
May 12 '09 at 12:43
23
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How to override and extend basic Django admin templates?
...change_form.html <- do not misspell this
Note: The location of this file is not important. You can put it inside your app and it will still work. As long as its location can be discovered by django. What's more important is the name of the HTML file has to be the same as the original HTML fil...