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Retrieving parameters from a URL
Given a URL like the following, how can I parse the value of the query parameters? For example, in this case I want the value of def .
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AngularJS - placeholder for empty result from filter
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A tweak on the approach that only requires you to specify the filter once:
<li ng-repeat="bar in filteredBars = (bars | filter:barFilter)">{{bar.name}}</li>
</ul>
<p ng-hide="filteredBars.length">Nothing here!</p>
Fiddle
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How do I close all open tabs at once?
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Shortest/simplest/fastest way would be:
:qa
To save work in all tabs and quit:
:wqa
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How to check if a string contains a substring in Bash
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Note that spaces in the needle string need to be placed between double quotes, and the * wildcards should be outside. Also note that a simple comparison operator is used (i.e. ==), not the regex operator =~.
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How to get the first line of a file in a bash script?
...bshell, and using an external command (any external command) means you're calling execve(), invoking the linker and loader (if it's using shared libraries, which is usually the case), etc.
– Charles Duffy
Aug 1 '17 at 16:17
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urlencode vs rawurlencode?
...php.net/manual/en/function.rawurlencode.php)
Returns a string in which all non-alphanumeric characters except -_.~ have been replaced with a percent (%) sign followed by two hex digits. This is the encoding described in » RFC 3986 for protecting literal characters from being interpreted as spec...
How to check if there's nothing to be committed in the current branch?
...itted, you can use the return code of:
git diff --cached --exit-code
Finally, if you want to know about whether there are any untracked files in your working tree that aren't ignored, you can test whether the output of the following command is empty:
git ls-files --other --exclude-standard --dir...
Select DISTINCT individual columns in django?
...g note in the docs about using distinct(). The above example will work but all combinations of distinct() and values() may not.
PS: it is a good idea to use lower case names for fields in a model. In your case this would mean rewriting your model as shown below:
class ProductOrder(models.Model):
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How do I set a cookie on HttpClient's HttpRequestMessage
...instantiated once and re-used throughout the life of an application. Especially in server applications, creating a new HttpClient instance for every request will exhaust the number of sockets available under heavy loads..." From here: asp.net/web-api/overview/advanced/…
– Ser...
What's to stop malicious code from spoofing the “Origin” header to exploit CORS?
...header Origin: http://foo.com , and bar must respond with Access-Control-Allow-Origin: http://foo.com .
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