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How to concatenate two numbers in javascript?

...t into one thousand seven hundred and twenty-nine? Well we can multiply 17 by 100 then add 29. And how about 172 and 293 to get one hundred seventy-two thousand two hundred and ninety-three? Multiply 172 by 1000 and add 293. But what about only 2 and 9? Multiply 2 by 10 then add 9 to get 29. So hop...
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std::function vs template

...sed. One such use case arises when you need to resolve a call at run-time by invoking a callable object that adheres to a specific signature, but whose concrete type is unknown at compile-time. This is typically the case when you have a collection of callbacks of potentially different types, but w...
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How to Create Deterministic Guids

... As mentioned by @bacar, RFC 4122 §4.3 defines a way to create a name-based UUID. The advantage of doing this (over just using a MD5 hash) is that these are guaranteed not to collide with non-named-based UUIDs, and have a very (very) smal...
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How can Perl's print add a newline by default?

...ng to pimp perl5i which turns on a lot of sensible missing Perl 5 features by default. share | improve this answer | follow | ...
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Why does the 260 character path length limit exist in Windows?

...following order: drive letter, colon, backslash, name components separated by backslashes, and a terminating null character. For example, the maximum path on drive D is "D:\some 256-character path string<NUL>" where "<NUL>" represents the invisible terminating null character for the curr...
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Git command to show which specific files are ignored by .gitignore

... ignore generated html files, *.html # except foo.html which is maintained by hand !foo.html $ git ls-files --ignored \ --exclude='Documentation/*.[0-9]' \ --exclude-from=.git/ignore \ --exclude-per-directory=.gitignore Actually, in my 'gitignore' file (called 'exclude'), I find a co...
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Replacing NAs with latest non-NA value

...dyr::fill is fastest while also not failing the edge cases. The Rcpp entry by @BrandonBertelsen is faster still, but it's inflexible regarding the input's type (he tested edge cases incorrectly due to a misunderstanding of all.equal). If you need maxgap, my function below is faster than zoo (and do...
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How to handle invalid SSL certificates with Apache HttpClient? [duplicate]

... https://mms.nw.ru likely uses a certificate not issued by a certification authority. Consequently, you need to add the certificate to your trusted Java key store as explained in unable to find valid certification path to requested target: When working on a client that works ...
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Is “ ” a replacement of “ ”?

...T application, I was trying to add few white spaces between two text boxes by typing space bar. The equivalent HTML source was   instead of   . So I just wanted to check: is this the new replacement for white space? If yes, any idea why they changed? ...
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What is the performance cost of having a virtual method in a C++ class?

...in memory. This is always a significant stall: on Xenon, about 650 cycles (by my tests). However this isn't a problem specific to virtual functions because even a direct function call will cause a miss if you jump to instructions that aren't in cache. What matters is whether the function has been ...