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Android Min SDK Version vs. Target SDK Version

...exist. (Admittedly this is a dated example since hardly anyone still has a v1.5 phone, but there was a time when maintaining compatibility with v1.5 was really important.) To give another example, you could use this if you wanted to use a feature from Gingerbread or Honeycomb. Some people will get ...
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Generating random strings with T-SQL

... while 0 < @length begin select @dice = rand(@seed) * 100 , @seed = (rand((@seed+@step)%2147483647)*2147483647); if (@dice < 10) -- 10% special chars begin select @dice = rand(@seed) * len(@specials)+1 , @seed = (rand((@...
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StackOverflow程序员推荐:每个程序员都应读的30本书 - 杂谈 - 清泛网 - 专...

...心理层面。其他书籍则处理算法。这些书都有自己所属的位置。 然而《计算机程序的构造和解释》与这些不同。这是一本会启发你的书,它会燃起你编写出色程序的热情;它还将教会你认识并欣赏美;它会让你有种敬畏,让你...
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How to run a Runnable thread in Android at defined intervals?

...un() { tv.append("Hello World"); handler.postDelayed(this, 1000); } }; handler.postDelayed(r, 1000); Or we can use normal thread for example (with original Runner) : Thread thread = new Thread() { @Override public void run() { try { while(true) { ...
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Big-O for Eight Year Olds? [duplicate]

...e example: Big-O | computations for 10 things | computations for 100 things ---------------------------------------------------------------------- O(1) | 1 | 1 O(log(n)) | 3 | 7 O(n) | 10 |...
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Can PHP cURL retrieve response headers AND body in a single request?

... this. AFAIK, but there is only one possible additional header - with code 100 (Continue). For this header you can go around with correctly defining request option: curl_setopt($ch, CURLOPT_HTTPHEADER, array('Expect:')); , disabling sending this header response. As for 302, this should not be happen...
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Removing carriage return and new-line from the end of a string in c#

... I've been writing c# since v1.0 came out (10 years ago). Now you tell me about TrimEnd. Doh! – s15199d Dec 28 '12 at 20:05 7 ...
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Center Oversized Image in Div

... Why not use -100% for top/right/bottom/left? With that the container could have literally any width. – Simon Jun 17 '14 at 10:03 ...
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.ps1 cannot be loaded because the execution of scripts is disabled on this system [duplicate]

...4. Repeat these steps for each directory: Navigate to WindowsPowerShell\v1.0 and launch powershell.exe Check the current setting for ExecutionPolicy: Get-ExecutionPolicy -List Set the ExecutionPolicy for the level and scope you want, for example: Set-ExecutionPolicy -Scope LocalMachine Unrestr...
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Hash and salt passwords in C#

...* * Version 3: * PBKDF2 with HMAC-SHA256, 128-bit salt, 256-bit subkey, 10000 iterations. * Format: { 0x01, prf (UInt32), iter count (UInt32), salt length (UInt32), salt, subkey } * (All UInt32s are stored big-endian.) */ public string HashPassword(string password) { var prf = KeyDerivati...