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PHP: How to remove specific element from an array?
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You can use array filter to remove the items by a specific condition on $v:
$arr = array_filter($arr, function($v){
return $v != 'some_value';
});
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Rails and PostgreSQL: Role postgres does not exist
...NAME
The createuser -s --username=postgres creates a superuser (-s flag) by connecting as postgres (--username=postgres flag).
I see that your question has been answered, but I want to add this answer in for people using OSX trying to install PostgreSQL 9.2.4.
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NPM doesn't install module dependencies
...age.json in the same directory as Gruntfile.js
Define the modules required by your grunt project
Execute npm install to load them locally
Now the required grunt command should work.
IMHO, it is sad that we cannot have grunt resolve modules loaded from a parent npm module (i.e. package.json in a pa...
Set a cookie to never expire
... years later in 2038. Hopefully we all make the jump to 64-bit everything by then this won't be a problem for another 292 billion years on Sunday, 4 December 292,277,026,596. Unless we reach a singularity before I die I don't think I'll have to worry about that one.
– shaunhu...
Is there a vr (vertical rule) in html?
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As pointed out by others, the concept of a vertical rule does not fit in with the original ideas behind the structure and presentation of HTML documents. However, these days (especially with the proliferation of web-apps) there are is a sma...
Django templates: verbose version of a choice
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We can extend the filter solution by Noah to be more universal in dealing with data and field types:
<table>
{% for item in query %}
<tr>
{% for field in fields %}
<td>{{item|human_readable:field}}</td>
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Is there a better way to find out if a local git branch exists?
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To avoid finding tags by mistake, and to be more specific about whether the branch is local or remote, you can specify git show-branch refs/heads/[branch] or git show-branch refs/remotes/origin/[branch].
– twasbrillig
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How to URL encode a string in Ruby
...hey deprecated that method, use * CGI.escape * instead. -> http://www.ruby-forum.com/topic/207489#903709. You should also be able to use URI.www_form_encode * URI.www_form_encode_component *, but I have never used those
– J-Rou
Jul 6 '12 at 14:36
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Multi-line tooltips in Java?
... {
LookAndFeel.uninstallBorder(c);
}
}
And you would use it by calling this method, before your UI is created:
MultiLineToolTipUI.installUI();
Then in your properties files just insert newlines to wrap your tool tips as desired.
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How can I get a list of all classes within current module in Python?
... uses static source analysis, so it only works for modules that are backed by a real .py file.
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