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Is it better to return null or empty collection?
... prevents the aforementioned nonsense, and prevents your car getting egged by co-workers and users of your classes.
When talking about properties, always set your property once and forget it
public List<Foo> Foos {public get; private set;}
public Bar() { Foos = new List<Foo>(); }
In...
Create module variables in Ruby
Is there any way to create a variable in a module in Ruby that would behave similar to a class variable? What I mean by this is that it would be able to be accessed without initializing an instance of the module, but it can be changed (unlike constants in modules).
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How to give Jenkins more heap space when it´s started as a service under Windows?
...LTS, there's no such file. The /etc/default/jenkins solution offered below by Steve is the one that works for me.
– insideClaw
Jan 24 at 11:14
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Set custom attribute using JavaScript
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Use the setAttribute method:
document.getElementById('item1').setAttribute('data', "icon: 'base2.gif', url: 'output.htm', target: 'AccessPage', output: '1'");
But you really should be using data followed with a dash and with its property, like:
<li ... data-icon="bas...
Permanently adding a file path to sys.path in Python
...d lines beginning with # are skipped. Lines starting with import (followed by space or tab) are executed.
– Minh Tran
Feb 20 '19 at 14:54
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Java: int array initializes with nonzero elements
According to the JLS, an int array should be filled by zeros just after initialization. However, I am faced with a situation where it is not. Such a behavior occurs first in JDK 7u4 and also occurs in all later updates (I use 64-bit implementation). The following code throws exception:
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“Failed to load platform plugin ”xcb“ ” while launching qt5 app on linux without qt installed
... works, you may set LD_LIBRARY_PATH (hacky) or, as mentioned in the answer by @bossbarber, QT_QPA_PLATFORM_PLUGIN_PATH.
– csl
Oct 6 '16 at 7:06
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Declaration suffix for decimal type
...nt u = 2u;
long l = 2L;
ulong ul = 2UL;
decimal m = 2m;
Nothing for int, byte, sbyte, short, ushort.
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SVN: Ignore some directories recursively
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Thanks for this, works great...By the way the only way I found to ignore both *.txt and *.pdf was to put those patterns in a file and then use the 'svn propset --file' option
– wytten
Sep 6 '12 at 15:19
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XML Serialization - Disable rendering root element of array
...list in an outer element.
For removing the namespaces, this is controlled by the seriliazer itself, not the markup on the class.
I've just noticed that while I've updated this answer, Rubens Farias has provided an reply that shows you how to eliminate the namespace.
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