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How to avoid explicit 'self' in Python?

... You can use whatever name you want, for example class test(object): def function(this, variable): this.variable = variable or even class test(object): def function(s, variable): s.variable = variable but you are stuck with using a name for the scope....
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How can I troubleshoot my Perl CGI script?

...ight be the culprit. Clear the cache and set the cache size to zero while testing. Remember that some browsers are really stupid and won't actually reload new content even though you tell it to do so. This is especially prevalent in cases where the URL path is the same, but the content changes (e...
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What does -> mean in Python function definitions?

...butes to validate called values: def validate(func, locals): for var, test in func.__annotations__.items(): value = locals[var] try: pr=test.__name__+': '+test.__docstring__ except AttributeError: pr=test.__name__ msg = '{}=={}; Test: ...
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jQuery - prevent default, then continue default

... to the actual submission. For example: $('form').submit(function(){ alert('I do something before the actual submission'); return true; }); Simple example Another example on jquery.com: http://api.jquery.com/submit/#entry-examples ...
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How to calculate number of days between two dates

... //Difference in days var diff = Math.floor(( start - end ) / 86400000); alert(diff); share | improve this answer | follow | ...
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How Can I Browse/View The Values Stored in Redis [closed]

...works everywhere inside a browser. Real-time and historical Monitoring and Alerting features Multiple database management with direct (plain text connection), direct (TLS/SSL connection) or proxied access for local instances behind a firewall. Batch operation over multiple key that match a pattern (...
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How to create the most compact mapping n → isprime(n) up to a limit N?

... There are many ways to do the primality test. There isn't really a data structure for you to query. If you have lots of numbers to test, you should probably run a probabilistic test since those are faster, and then follow it up with a deterministic test to make su...
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Practical usage of setjmp and longjmp in C

... setjmp and longjmp can be very useful in unit testing. Suppose we want to test the following module: #include <stdlib.h> int my_div(int x, int y) { if (y==0) exit(2); return x/y; } Normally, if the function to test calls another function, you can decla...
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How to use C++ in Go

... Update: I've succeeded in linking a small test C++ class with Go If you wrap you C++ code with a C interface you should be able to call your library with cgo (see the example of gmp in $GOROOT/misc/cgo/gmp). I'm not sure if the idea of a class in C++ is really exp...
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Understanding the main method of python [duplicate]

...alled from the command line. In many cases this is used for managing unit tests. If a particular file defines functionality which is only useful in the context of other components of a system then one can still use __name__ == "__main__" to isolate a block of code which calls a suite of unit tests...