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What characters are valid for JavaScript variable names?
Which characters can be used for naming a JavaScript variable?
12 Answers
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Test for non-zero length string in Bash: [ -n “$var” ] or [ “$var” ]
I've seen Bash scripts test for a non-zero length string in two different ways. Most scripts use the -n option:
6 Answers...
ViewParam vs @ManagedProperty(value = “#{param.id}”)
What is the difference between defining View Params like this:
2 Answers
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How to decode Unicode escape sequences like “\u00ed” to proper UTF-8 encoded characters?
Is there a function in PHP that can decode Unicode escape sequences like " \u00ed " to " í " and all other similar occurrences?
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Fastest hash for non-cryptographic uses?
... essentially preparing phrases to be put into the database, they may be malformed so I want to store a short hash of them instead (I will be simply comparing if they exist or not, so hash is ideal).
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Why is this F# code so slow?
A Levenshtein implementation in C# and F#. The C# version is 10 times faster for two strings of about 1500 chars. C#: 69 ms, F# 867 ms. Why? As far as I can tell, they do the exact same thing? Doesn't matter if it is a Release or a Debug build.
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Determine function name from within that function (without using traceback)
...ython, without using the traceback module, is there a way to determine a function's name from within that function?
19 An...
What does “abstract over” mean?
Often in the Scala literature, I encounter the phrase "abstract over", but I don't understand the intent. For example , Martin Odersky writes
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Why can a function modify some arguments as perceived by the caller, but not others?
...o understand Python's approach to variable scope. In this example, why is f() able to alter the value of x , as perceived within main() , but not the value of n ?
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Labels for radio buttons in rails form
My question is similar to this one
but for a Rails app.
5 Answers
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