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Where and why do I have to put the “template” and “typename” keywords?
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(See here also for my C++11 answer)
In order to parse a C++ program, the compiler needs to know whether certain names are types or not. The following example demonstrates that:
t * f;
How should this be parsed? For many languages a comp...
What optimizations can GHC be expected to perform reliably?
GHC has a lot of optimizations that it can perform, but I don't know what they all are, nor how likely they are to be performed and under what circumstances.
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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
2
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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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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...
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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What characters are valid for JavaScript variable names?
Which characters can be used for naming a JavaScript variable?
12 Answers
12
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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 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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