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How can I get file extensions with JavaScript?
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@wallacer: What happens if filename actually doesn't have an extension? Wouldn't this simply return the base filename, which would be kinda bad?
– Nicol Bolas
Oct 26 '11 at 20:33
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How to view the assembly behind the code using Visual C++?
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Note that approach #2 doesn't work when compiling a static library with whole-program optimization enabled (in VS2010 at least). Which makes sense - the compiler hasn't generated the final code yet.
– dhaffey
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How can I check if a Perl array contains a particular value?
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For the record, this code still does iterate through the array. The map{} call simply makes that iteration very easy to type.
– Kenny Wyland
Mar 3 '12 at 23:09
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Understanding FFT output
...rray, and if so, why? Surely the sine component must be important? (2) Why does this mirroring occur? Is it just the result of the FFT algorithm? Do most people ignore the mirrored half? (3) How did you calculate the steps of 2Hz? I understand the Nyquist limit of 16Hz, so if there are 16 (non-mirro...
Standardize data columns in R
...tion of categorical and numerical variables. I just have one question what does this operator means "%>%"?
– nooshinha
Jun 24 '15 at 5:52
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Git: cannot checkout branch - error: pathspec '…' did not match any file(s) known to git
... In case of a clone with multiple remotes, the git checkout Branch does not work. With multiple remotes just the Branch name is ambiguous and requires the specification of remote/branch. The command git checkout -b branch remote/branch works in that scenario.
– Umair Is...
Writing to an Excel spreadsheet
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xlrd/xlwt (standard): Python does not have this functionality in it's standard library, but I think of xlrd/xlwt as the "standard" way to read and write excel files. It is fairly easy to make a workbook, add sheets, write data/formulas, and format cells....
MySQL Error 1215: Cannot add foreign key constraint
...der. Such an index is created on the referencing table automatically if it does not exist. This index might be silently dropped later, if you create another index that can be used to enforce the foreign key constraint. index_name, if given, is used as described previously.
– Jo...
How to serve static files in Flask
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What does the path look like? get_static_file('index.html')?
– Batman
Mar 26 at 18:55
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Is the C# static constructor thread safe?
...l testing is required for constructing the Singleton object. However, this does not mean that any use of the instance will be synchronised. There are a variety of ways that this can be done; I've shown one below.
public class Singleton
{
private static Singleton instance;
// Added a static ...