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Maven Install on Mac OS X
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OS X prior to Mavericks (10.9) actually comes with Maven 3 built in.
If you're on OS X Lion, you won't have java installed by default. Just run java by itself and it'll prompt you to install it.
Assuming qualifications are met, run mvn -version and see some output like this:
Apache Maven 3....
Is there a way to perform “if” in python's lambda
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The syntax you're looking for:
lambda x: True if x % 2 == 0 else False
But you can't use print or raise in a lambda.
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SQL Server Regular expressions in T-SQL
...racters.
_ Any single character.
[ ] Any single character within the specified range
(for example, [a-f]) or set (for example, [abcdef]).
[^] Any single character not within the specified range
(for example, [^a - f]) or set (for example, [^abcdef]).
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X-Frame-Options Allow-From multiple domains
...y: frame-ancestors 'self' example.com *.example.net ;
Unfortunately, for now, Internet Explorer does not fully support Content-Security-Policy.
UPDATE: MDN has removed their deprecation comment. Here's a similar comment from W3C's Content Security Policy Level
The frame-ancestors directive o...
How to make an introduction page with Doxygen
...es, types etc. - everything that I placed as Doxygen comments in the code. Now I want to write some general information about SDK (kind of introduction), which is not related directly to any code element. I want to place this introduction on the documentation start page. How can I do this?
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Increasing the maximum number of TCP/IP connections in Linux
...n's capability, bump it up from default 128 to something like 128 to 1024. Now you can take advantage of this increase by modifying the listen backlog variable in your application's listen call, to an equal or higher integer.
sysctl net.core.somaxconn=1024
txqueuelen parameter of your ethernet ca...
javac error: Class names are only accepted if annotation processing is explicitly requested
...home/user $ javac Main.java
user@defiant /home/user $
Slap your forehead now and grumble that the error message is so cryptic.
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How to check null objects in jQuery
...e the length property of the jQuery collection returned by your selector:
if ( $('#myDiv').length ){}
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More elegant way of declaring multiple variables at the same time
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As others have suggested, it's unlikely that using 10 different local variables with Boolean values is the best way to write your routine (especially if they really have one-letter names :)
Depending on what you're doing, it may make sense to use a dictionary instead. For examp...
Putting git hooks into repository
...t .git/hooks into the projects repository (using symlinks, for example). If yes, what is the best way to deliver same hooks to different git users?
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