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Is there a standard sign function (signum, sgn) in C/C++?
...and must narrow again on return. Your compiler may optimize that promotion out but I can't find anything suggesting that's guaranteed by the standard. Also to implement signum via copysign you need to manually handle the 0 case - please make sure you include that in any performance comparison.
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In Vim, I'd like to go back a word. The opposite of `w`
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Use b to go back a word.
You may also want to check out W and B to advance/go back a WORD (which
consists of a sequence of non-blank characters separated with white space, according to :h WORD).
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How to check BLAS/LAPACK linkage in NumPy and SciPy?
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The method numpy.show_config() (or numpy.__config__.show()) outputs information about linkage gathered at build time. My output looks like this. I think it means I am using the BLAS/LAPACK that ships with Mac OS.
>>> import numpy as np
>>> np.show_config()
lapack_...
Switch statement for greater-than/less-than
...ak;
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case 29: /* do something */ break;
}
switch-range
This is about 6 to 40 times slower than the fastest in all tested environments except
for Opera where it takes about one and a half times as long. It is slow because the engine
has to compare the value twice for each case. Surprisingly...
AngularJS UI Router - change url without reloading state
Currently our project is using default $routeProvider , and I am using this "hack", to change url without reloading page:
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What size do you use for varchar(MAX) in your parameter declaration?
... retrieving rows with larger values in this column, as the data is stored "out-of-row" requiring an extra lookup.
– KeithS
Mar 31 '15 at 17:55
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What's the difference between the four File Results in ASP.NET MVC
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Yes, thank you @Frédéric, you alone out of all the SO posts have explained to me what was going on!
– Nacht
Mar 20 '17 at 4:25
add a com...
How to make a website secured with https
...users send/receive from your remotely hosted application cannot be read by outside parties if it is intercepted. Even Gmail now turns on HTTPS by default.
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HTML5 doctype putting IE9 into quirks mode?
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I found out that putting this meta tag right after the <head> tag will work, while having it at the bottom of <head> might not work, probably due to other content interfering.
– Paolo Mioni
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How can I delete a file from a Git repository?
...I needed to delete them from git's tracking and version control...
Sample output below is from what just happened to me, where I unintentionally deleted the .003 file. Thankfully, I don't care what happened to the local copy to .003, but some of the other currently changed files were updates I just...