大约有 34,900 项符合查询结果(耗时:0.0282秒) [XML]

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Simplest way to detect a mobile device in PHP

...AGENT']; if(preg_match('/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap...
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Keyboard shortcut to paste clipboard content into command prompt window (Win XP) [closed]

Is there a keyboard shortcut for pasting the content of the clipboard into a command prompt window on Windows XP (instead of using the right mouse button)? ...
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Strange, unexpected behavior (disappearing/changing values) when using Hash default value, e.g. Hash

...ted (e.g. hashes and strings), not just arrays. TL;DR: Use Hash.new { |h, k| h[k] = [] } if you want the most idiomatic solution and don’t care why. What doesn’t work Why Hash.new([]) doesn’t work Let’s look more in-depth at why Hash.new([]) doesn’t work: h = Hash.new([]) h[0] <&...
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How to split a string with any whitespace chars as delimiters

...mpty space between the [space] and the [tab]. As VonC pointed out, the backslash should be escaped, because Java would first try to escape the string to a special character, and send that to be parsed. What you want, is the literal "\s", which means, you need to pass "\\s". It can get a bit confusi...
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How to stop unwanted UIButton animation on title change?

... This works for custom buttons: [UIView setAnimationsEnabled:NO]; [_button setTitle:@"title" forState:UIControlStateNormal]; [UIView setAnimationsEnabled:YES]; For system buttons you need to add this before re-enabling animations (...
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Fastest way to replace NAs in a large data.table

... large data.table , with many missing values scattered throughout its ~200k rows and 200 columns. I would like to re code those NA values to zeros as efficiently as possible. ...
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When to use “new” and when not to, in C++? [duplicate]

When should I use the "new" operator in C++? I'm coming from C#/Java background and instantiating objects is confusing for me. ...
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Print in one line dynamically

I would like to make several statements that give standard output without seeing newlines in between statements. 20 Answers...
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Perform commands over ssh with Python

... I will refer you to paramiko see this question ssh = paramiko.SSHClient() ssh.connect(server, username=username, password=password) ssh_stdin, ssh_stdout, ssh_stderr = ssh.exec_command(cmd_to_execute) ...
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Why does Google +1 record my mouse movements? [closed]

...n that is assigned to a property named "random". That returned function looks something like this: var b = c; b += parseInt(hash.substr(0,20), 16); hash = MD5(hash); return b / (d + Math.pow(16, 20)); hash, BTW, is a variable that starts out as the MD5 hash of the page's cookies, location, the ne...