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Is there an opposite of include? for Ruby Arrays?
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dizzy42dizzy42
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Get selected text from a drop-down list (select box) using jQuery
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$('select').children(':selected') is the fastest way: jsperf.com/get-selected-option-text
– Simon
Ap...
How to debug Ruby scripts [closed]
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Andrew Marshall
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answered Oct 18 '10 at 7:48
germanlinux...
Is gcc std::unordered_map implementation slow? If so - why?
We are developing a highly performance critical software in C++. There we need a concurrent hash map and implemented one. So we wrote a benchmark to figure out, how much slower our concurrent hash map is compared with std::unordered_map .
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Secure hash and salt for PHP passwords
...36 characters. But allowing upper and lower case, with symbols, is roughly 96 characters. That's a lot better than just letters. One problem is, to make our passwords memorable we insert patterns—which reduces entropy. Oops!
Password entropy is approximated easily. Using the full range of ascii c...
Good examples of Not a Functor/Functor/Applicative/Monad?
... that, it's not a good example. Mathematically, such a data structure does form a functor. The fact that we cannot implement fmap is just a language/implementation issue. Also, it's possible to wrap Set into the continuation monad, which makes a monad out of it with all the properties we'd expect, s...
Android存储系统基础知识：内部存储，外部存储，App特定目录 ASD(app speci...
...一个外部存储：可移动（微型）SD 卡，例如：/storage/82C3-E96C/
只能读取（在 Android ≥ 4.4 / KitKat、API 19 的设备上）。
注：外部存储的根目录：/storage/emulated/0/，在设备上显示为内部存储（不幸的是，这有点含糊）。
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Remove xticks in a matplotlib plot?
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I appreciate how this not only answers the question but provides a template for turning several things off/on. This applies the result to b...
Gradle store on local file system
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davidxxxdavidxxx
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