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Laravel Check If Related Model Exists
...method calls through to an Eloquent query Builder, which is set up to only select the related objects. That Builder in turn passes unknown method calls through to its underlying query Builder.
This means you can use the exists() or count() methods directly from a relation object:
$model->relati...
Adding VirtualHost fails: Access Forbidden Error 403 (XAMPP) (Windows 7)
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This worked wonderfully for me as opposed to the selected answer. For some reason "Require all granted" by itself as that answer suggests didn't work as it instantly crashed XAMPP. But this answer worked with those between <directory> so thanks for the answer.
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How to get base url with jquery or javascript?
...ocation object. Actually type this in the browser console and hit enter to select your options there. Well for my case it was simply:
window.location.origin
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retrieve links from web page using python and BeautifulSoup [closed]
...re anything not purely Python isn't allowed.
lxml.html also supports CSS3 selectors so this sort of thing is trivial.
An example with lxml and xpath would look like this:
import urllib
import lxml.html
connection = urllib.urlopen('http://www.nytimes.com')
dom = lxml.html.fromstring(connection.r...
Queries vs. Filters
... user is doing a google type search then I would use a query? If they are selecting possible value from a drop down (eg, invoice count > 50) then this would be a filter?
– Jonesie
Jan 30 '13 at 20:25
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Re-open *scratch* buffer in Emacs?
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M-x switch-to-buffer *scratch* RET
The *scratch* buffer is the buffer selected upon startup, and has the major mode Lisp Interaction. Note: the mode for the *scratch* buffer is controlled by the variable initial-major-mode.
In general you can create as many "scratch" buffers as you want, and ...
How to make good reproducible pandas examples
...e a bit with np.random.choice. For example, in column g, we have a random selection of 6 dates from 2011. Additionally, by setting replace=False we can assure these dates are unique -- very handy if we want to use this as an index with unique values.
Fake stock market data
In addition to taking...
What are the advantages of Sublime Text over Notepad++ and vice-versa? [closed]
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Sublime Text 2 has some neat features like multi cursor input, multiple selections etc that will make you immensely productive.
Good number of plugins and themes, and also support for those of Textmate means you can do anything with Sublime Text 2. I have moved from Notepad++ to Sublime Text 2 o...
How to enable PHP's openssl extension to install Composer?
...er having to look at this answer i figured out wamp was using 5.5.12 but i selected 5.4 directory for php.exe
– Afnan Bashir
Oct 4 '14 at 10:45
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How to uninstall a Windows Service when there is no executable for it left on the system?
...urite way of doing this is to use Sysinternals Autoruns application. Just select the service and press delete.
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