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is there a Java equivalent to null coalescing operator (??) in C#? [duplicate]
...make sense conceptually. However, the wrapper classes (Integer, Character, etc.), as well as any other instantiable class can be null.
Besides that fact, there isn't any short-hand syntax for a null coalescing operator. You must use the expanded form.
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How to ignore deprecation warnings in Python
...s needed so you will still see other types of warnings like RuntimeWarning etc.
– ismail
Jan 28 '17 at 8:39
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What is the shortcut in IntelliJ IDEA to find method / functions?
...keyboard setting in
System Preferences > Keyboard > Use all F1, F2, etc. keys as standard function keys
is selected, then the shortcut becomes
CMD + F12
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View HTTP headers in Google Chrome?
...note: if you don't see any resources - look at tabs area (All | XHR JS and etc) and select All
– Zanshin13
Jan 12 '17 at 10:05
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Delete all the queues from RabbitMQ?
...rything back to the "factory settings". Any RabbitMQ users, virtual hosts, etc, that you have created will be blown away.
– thoufek
Mar 14 '14 at 19:38
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bower command not found windows
...Check your PATH, remove extra stuff and try to reinstall node.js and bower etc. Also there is a way to increase 1024-length limit
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jquery selector for id starts with specific text [duplicate]
...be written as $('#editDialog-0').add('#editDialog-1').add('#editDialog-2') etc for ('#editDialog-n') Note I would likely seek another solution than this for any set beyond trivial length.
– Mark Schultheiss
Jul 26 '17 at 14:33
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How do I get the n-th level parent of an element in jQuery?
...).eq(0);
where 0 is the parent level (0 is parent, 1 is parent's parent etc)
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How to duplicate virtualenv
...avorite text editor, you'll see something like:
Django==1.3
Fabric==1.0.1
etc...
Now, edit the line that says Django==x.x to say Django==1.3 (or whatever version you want to install in your new virtualenv).
Lastly, activate your new virtualenv, and run:
pip install -r requirements.txt
And pip...
Is there a way to quickly find files in Visual Studio 2010?
...nd it also has a dialog to search the current file for methods,properties, etc. Very nice! Note that the current version only supports VS