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Check for array not empty: any?
Is it bad to check if an array is not empty by using any? method?
6 Answers
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Unit testing Anti-patterns catalogue
...resent to formally distinguish an actual anti-pattern from a simple bad habit, bad practice, or bad idea:
31 Answers
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Java EE 6 @javax.annotation.ManagedBean vs. @javax.inject.Named vs. @javax.faces.ManagedBean
I feel there is a little mess in the Java EE 6 spec. There are several sets of annotations.
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How to check a not-defined variable in JavaScript
...at don't exist, undefined. The DOM returns null for almost all cases where it fails to find some structure in the document, but in JavaScript itself undefined is the value used.
Second, no, there is not a direct equivalent. If you really want to check for specifically for null, do:
if (yourvar ===...
Python argparse: How to insert newline in the help text?
... options. One of my options is a multiple choice. I want to make a list in its help text, e.g.
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Finding the direction of scrolling in a UIScrollView?
I have a UIScrollView with only horizontal scrolling allowed, and I would like to know which direction (left, right) the user scrolls. What I did was to subclass the UIScrollView and override the touchesMoved method:
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How to replace spaces in file names using a bash script
Can anyone recommend a safe solution to recursively replace spaces with underscores in file and directory names starting from a given root directory? For example:
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What is the largest TCP/IP network port number allowable for IPv4?
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The port number is an unsigned 16-bit integer, so 65535.
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How do I obtain a Query Execution Plan in SQL Server?
...u can't run your query in SQL Server Management Studio then you might find it helpful to be able to obtain a plan via SQL Server Profiler or by inspecting the plan cache.
Method 1 - Using SQL Server Management Studio
SQL Server comes with a couple of neat features that make it very easy to capture...
Convert Mercurial project to Git [duplicate]
I need to convert a mercurial project to a git project, but I would like to keep the commit history intact. My current solution was to just remove hg related files and then git init && add manually the files I needed, but that would not keep the history. Are there any solutions to this?
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