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How can I quickly sum all numbers in a file?
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Just for fun, let's benchmark it:
$ for ((i=0; i<1000000; i++)) ; do echo $RANDOM; done > random_numbers
$ time perl -nle '$sum += $_ } END { print $sum' random_numbers
16379866392
real 0m0.226s
user 0m0.219s
sys 0m...
Why are flag enums usually defined with hexadecimal values
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Another fun fact with the x << y notation. 1 << 10 = KB, 1 << 20 = MB, 1 << 30 = GB and so on. It is really nice if you want to make a 16 KB array for a buffer you can just go var buffer = new byte[16 <<...
Flash CS4 refuses to let go
...n't seem to solve the problem. I'm going to chalk this one up to Adobe bug fun tiem. I'm going to mark it as solved, however.
– Ender
Feb 3 '10 at 19:23
294
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NoClassDefFoundError - Eclipse and Android
...to do was check the darn box for the jar in the "Order and Export" screen. Funny thing is that I only had to do this so that it would work on a Nook Tablet emulator. Did not have a problem on devices or other emulators.
– Luis
Jun 12 '12 at 19:58
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Assigning out/ref parameters in Moq
...ooking for an answer also.
I found the following QuickStart guide useful:
https://github.com/Moq/moq4/wiki/Quickstart
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Which “href” value should I use for JavaScript links, “#” or “javascript:void(0)”?
...o 2013: javascript:void(0) violates Content Security Policy on CSP-enabled HTTPS pages. One option would be then to use href='#' and event.preventDefault() in the handler, but I don't like this much. Perhaps you can establish a convention to use href='#void' and make sure no element on the page has ...
Is it better to specify source files with GLOB or each file individually in CMake?
...citly.
The creators of CMake themselves advise not to use globbing.
See: https://cmake.org/cmake/help/v3.15/command/file.html?highlight=glob#file
(We do not recommend using GLOB to collect a list of source files from your source tree. If no CMakeLists.txt file changes when a source is added or...
Convert String to double in Java
...l values, you need to replace "," in the number to "."
String number = "123,321";
double value = Double.parseDouble( number.replace(",",".") );
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Why is Double.MIN_VALUE in not negative
...eUploader: {
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How can building a heap be O(n) time complexity?
...d you mean to start at the bottom of the heap?
– aste123
Dec 16 '15 at 18:14
4
@aste123 No, it is...