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Is there a “null coalescing” operator in JavaScript?
...ll coalescing operator (??) is using a logical OR (||):
var whatIWant = someString || "Cookies!";
There are cases (clarified below) that the behaviour won't match that of C#, but this is the general, terse way of assigning default/alternative values in JavaScript.
Clarification
Regardless of ...
Django auto_now and auto_now_add
...e has been talk in the past about making the auto_now and auto_now_add arguments go away, and although they still exist, I feel you're better off just using a custom save() method.
So, to make this work properly, I would recommend not using auto_now or auto_now_add and instead define your own save...
Storing Objects in HTML5 localStorage
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Looking at the Apple, Mozilla and Mozilla again documentation, the functionality seems to be limited to handle only string key/value pairs.
A workaround can be to stringify your object before storing it, and later parse it when you retrieve it:
var testObject = { 'one': 1, '...
Best practices for large solutions in Visual Studio (2008) [closed]
...n with around 100+ projects, most of them C#. Naturally, it takes a long time to both open and build, so I am looking for best practices for such beasts. Along the lines of questions I am hoping to get answers to, are:
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Colorize console output in Intellij products
... GrepConsole is available in my dotfiles. You can copy or symlink it to $HOME/.IdeaIC12/config/options/GrepConsole.xml.
– JJD
Sep 24 '13 at 12:32
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How to say “should_receive” more times in RSpec
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This is outdated. Please check Uri's answer below
for 2 times:
Project.should_receive(:find).twice.with(@project).and_return(@project)
for exactly n times:
Project.should_receive(:find).exactly(n).times.with(@project).and_return(@project)
for at least n times:
Project.should_recei...
How to specify a port number in SQL Server connection string?
I use the following connection string in SQL Server Management Studio. It failed to connect:
4 Answers
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How to use setArguments() and getArguments() methods in Fragments?
I have 2 fragments: (1)Frag1 (2)Frag2.
6 Answers
6
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Select values from XML field in SQL Server 2008
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Given that the XML field is named 'xmlField'...
SELECT
[xmlField].value('(/person//firstName/node())[1]', 'nvarchar(max)') as FirstName,
[xmlField].value('(/person//lastName/node())[1]', 'nvarchar(max)') as LastName
FROM [myTable]
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Event handling for iOS - how hitTest:withEvent: and pointInside:withEvent: are related?
While most apple documents are very well written, I think ' Event Handling Guide for iOS ' is an exception. It's hard for me to clearly understand what's been described there.
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