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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 <<...
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...
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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How to prevent caching of my Javascript file? [duplicate]
...o your script. Like so:
<script type="text/javascript" src="test.js?q=123"></script>
Every time you refresh the page you need to make sure the value of 'q' is changed.
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Read/write files within a Linux kernel module
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123
You should be aware that you should avoid file I/O from within Linux kernel when possible. The...
Is mongodb running?
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AdaTheDevAdaTheDev
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How to create a simple proxy in C#?
I have downloaded Privoxy few weeks ago and for the fun I was curious to know how a simple version of it can be done.
10 An...
Check to see if a string is serialized?
...ay to determine whether or not a string is the result of the serialize() function?
10 Answers
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