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Bash, no-arguments warning, and case decisions

... if [[ $# -eq 0 ]] ; then echo 'some message' exit 0 fi case "$1" in 1) echo 'you gave 1' ;; *) echo 'you gave something else' ;; esac The Advanced Bash-Scripting Guide is pretty good. In spite of its name, it does treat...
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ASP.NET Identity's default Password Hasher - How does it work and is it secure?

... } using (Rfc2898DeriveBytes bytes = new Rfc2898DeriveBytes(password, 0x10, 0x3e8)) { salt = bytes.Salt; buffer2 = bytes.GetBytes(0x20); } byte[] dst = new byte[0x31]; Buffer.BlockCopy(salt, 0, dst, 1, 0x10); Buffer.BlockCopy(buffer2, 0, dst, 0x11, 0x20); ...
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How do I find if a string starts with another string in Ruby?

... answered Nov 12 '10 at 20:02 steenslagsteenslag 71.2k1414 gold badges126126 silver badges157157 bronze badges ...
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How can I truncate a datetime in SQL Server?

...e a datetime value (as to remove hours minutes and seconds) in SQL Server 2008? 13 Answers ...
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Embed SVG in SVG?

...ur SVG file. For fun, save the following as recursion.svg: <svg width="100%" height="100%" viewBox="-100 -100 200 200" version="1.1" xmlns="http://www.w3.org/2000/svg"> <circle cx="-50" cy="-50" r="30" style="fill:red" /> <image x="10" y="20" width="80" height="80" href="recu...
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How do I get the real .height() of a overflow: hidden or overflow: scroll div?

... Use the .scrollHeight property of the DOM node: $('#your_div')[0].scrollHeight share | improve this answer | follow | ...
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php中json_decode()和json_encode()的使用方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...de()和json_encode()的使用方法1.json_decode()json_decode(PHP 5 >= 5.2.0, PECL json >= 1.2.0)json_decode — 对 JSON 格式的字符串进行编码说明mixed jso...1.json_decode() (PHP 5 >= 5.2.0, PECL json >= 1.2.0) 对 JSON 格式的字符串进行编码 说明: mixed json_decode ...
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How to calculate a logistic sigmoid function in Python?

... math.exp(-x)) And now you can test it by calling: >>> sigmoid(0.458) 0.61253961344091512 Update: Note that the above was mainly intended as a straight one-to-one translation of the given expression into Python code. It is not tested or known to be a numerically sound implementation. I...
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Hour from DateTime? in 24 hours format

...he hour but show it in 24 hours format. For example: If the hour is 2:20:23 p.m. i want to convert it to 14:20 and that's it. ...
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Format decimal for percentage values?

...se the P format string. This will vary by culture: String.Format("Value: {0:P2}.", 0.8526) // formats as 85.26 % (varies by culture) share | improve this answer | follow ...