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Django Model - Case-insensitive Query / Filtering
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doc for iexact: docs.djangoproject.com/en/dev/ref/models/querysets/#iexact
– Anupam
Dec 29 '17 at 10:24
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Launch an app from within another (iPhone)
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As Kevin points out, URL Schemes are the only way to communicate between apps. So, no, it's not possible to launch arbitrary apps.
But it is possible to launch any app that registers a URL Scheme, whether it's Apple's, yours, or another developer's. The docs are here:
Commu...
Evaluate if list is empty JSTL
...to evaluate if this array list is empty or not but none of these have even compiled:
2 Answers
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Python: json.loads returns items prefixing with 'u'
... and I am decoding a dummy string (for now) like the code below. My output comes out with character 'u' prefixing each item:
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Routes with Dash `-` Instead of Underscore `_` in Ruby on Rails
...dles'
Another option is to modify Rails, via an initializer.
I don't recommend this though, since it may break in future versions (edit: doesn't work in Rails 5).
Using :path as shown above is better.
# Using private APIs is not recommended and may break in future Rails versions.
# https://git...
Ruby, Difference between exec, system and %x() or Backticks
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system
The system method calls a system program. You have to provide the command as a string argument to this method. For example:
>> system("date")
Wed Sep 4 22:03:44 CEST 2013
=> true
The invoked program will use the current STDIN, STDOUT and STDERR objects of your Ruby program. In ...
Maven Snapshot Repository vs Release Repository
....3.0” or “1.3” and a timestamp. For example, a snapshot artifact for commons-lang 1.3.0 might have the name commons-lang-1.3.0-20090314.182342-1.jar.
Taken from refcard
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Razor doesn't understand unclosed html tags
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or <text><div></text> - haacked.com/archive/2011/01/06/…
– Simon_Weaver
Jan 28 '11 at 2:59
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ViewParam vs @ManagedProperty(value = “#{param.id}”)
...l request parameters for the subsequent requests by <f:param> in the command components.
Example:
<f:metadata>
<f:viewParam id="user_id" name="id" value="#{bean.user}"
required="true" requiredMessage="Invalid page access. Please use a link from within the system."
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What is the IntelliJ shortcut key to create a javadoc comment?
In Eclipse, I can press Alt + Shift + J and get a javadoc comment automatically generated with fields, returns, or whatever would be applicable for that specific javadoc comment. I'm assuming that IntelliJ IDEA has this feature. Can anyone tell me if there is a keyboard shortcut for this?
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