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Test for existence of nested JavaScript object key
...
You have to do it step by step if you don't want a TypeError because if one of the members is null or undefined, and you try to access a member, an exception will be thrown.
You can either simply catch the exception, or make a function to ...
Split List into Sublists with LINQ
...<SomeObject> into several separate lists of SomeObject , using the item index as the delimiter of each split?
31 An...
Wrapping chained method calls on a separate line in Eclipse for Java
...ows: Window → Preferences → Java → Code Style
→ Formatter → Edit → Line wrapping (tab)
Mac OS: ADT → Preferences → Java → Code Style
→ Formatter → Edit → Line wrapping (tab)
Then, in the list at the left, select:
Function Calls → Qualified invocations
No...
What are the pros and cons of the SVN plugins for Eclipse, Subclipse and Subversive? [closed]
...e history of a branch instead of just seeing a bunch of rows for every commit it can group commits by today, week, etc.
Mapping of trunk, branches, and tags
Subversive assumes the default svn layout: trunk, branches, tags (which you can change), so whenever you want to tag or branch it is one clic...
Timeout a command in bash without unnecessary delay
...cripts/timeout3
#!/bin/bash
#
# The Bash shell script executes a command with a time-out.
# Upon time-out expiration SIGTERM (15) is sent to the process. If the signal
# is blocked, then the subsequent SIGKILL (9) terminates it.
#
# Based on the Bash documentation example.
# Hello Chet,
# please f...
SAML vs federated login with OAuth
What's the difference between SAML and federated login with OAuth? Which solution makes more sense, if a company wants to use a third-party webapp, and but also wants single sign-on and be the authentication authority?
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Get first key in a (possibly) associative array?
... determine the first key in a possibly associative array? My first thought it to just foreach the array and then immediately breaking it, like this:
...
class
...nt self object (which inside a class or module body is the class or module itself). Usually, this is used to define class/module ("static") methods:
class String
class << self
def value_of obj
obj.to_s
end
end
end
String.value_of 42 # => "42"
This can also be written...
Why are C# interface methods not declared abstract or virtual?
C# methods in interfaces are declared without using the virtual keyword, and overridden in the derived class without using the override keyword.
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How does the ARM architecture differ from x86? [closed]
Is the x86 Architecture specially designed to work with a keyboard while ARM expects to be mobile? What are the key differences between the two?
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