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How to generate a random string of a fixed length in Go?

...te, n) for i := range b { b[i] = letterBytes[rand.Int63() % int64(len(letterBytes))] } return string(b) } This works and is significantly faster, the disadvantage is that the probability of all the letters will not be exactly the same (assuming rand.Int63() produces all 63-bit ...
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What does string::npos mean in this code?

...can not be negative... real meaning is max_index, 18446744073709551615 for 64 bit size_t – NoSenseEtAl Sep 4 '14 at 12:33 add a comment  |  ...
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How to print Boolean flag in NSLog?

...ol value: %d",b); or NSLog(@"bool %s", b ? "true" : "false"); On the bases of data type %@ changes as follows For Strings you use %@ For int you use %i For float and double you use %f share | ...
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Interface vs Base class

When should I use an interface and when should I use a base class? 38 Answers 38 ...
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How do I get the application exit code from a Windows command line?

... and want to see what its return code is (since it returns different codes based on different errors). 7 Answers ...
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SFTP in Python? (platform independent)

... There's also code.google.com/p/pysftp which is based on Paramiko, but easier to use – franzlorenzon Feb 8 '13 at 14:08 1 ...
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What are the dangers when creating a thread with a stack size of 50x the default?

...date 1), using an i7 4700 MQ, under .NET 4.5.1 I tested both with x86 and x64 and the results are identical. Edit: I increased the stack size of all threads 201 MB, the sample size to 50 million and decreased iterations to 5. The results are the same as above: Stack-allocated array time: 00:00...
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Hidden features of WPF and XAML?

...Aero, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, ProcessorArchitecture=MSIL;component/themes/aero.normalcolor.xaml" /> </Window.Resources> share ...
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How to extract the year from a Python datetime object?

...ey thing to note is that the time components can differ between 32-bit and 64-bit pythons in some python versions (2.5.x tree I think). So you will find things like hour/min/sec on some 64-bit platforms, while you get hour/minute/second on 32-bit. ...
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Best way to simulate “group by” from bash?

... which is worse than two passes (which is what you get with a trivial hash based implementation). I should have said 'superlinear' instead of quadratic. – Vinko Vrsalovic Dec 19 '08 at 13:23 ...