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Why am I getting a “401 Unauthorized” error in Maven?

Why am I getting a "401 Unauthorized" error in Maven? 21 Answers 21 ...
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How do you rotate a two dimensional array?

...ay you have a 4x4 two dimensional array, write a function that rotates it 90 degrees. Raymond links to a solution in pseudo code, but I'd like to see some real world stuff. ...
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httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for Se

I tried to restart my Apache server on CentOS 5.0 and got this message: 11 Answers 11 ...
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How to find all combinations of coins when given some dollar value

...r any other convenient computer algebra system) to compute the answer for 10^10^6 dollars in a couple seconds in three lines of code. (And this was long enough ago that that’s a couple of seconds on a 75Mhz Pentium...) sh...
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Animation CSS3: display + opacity

...:hover .child { display: block; -webkit-animation: fadeInFromNone 0.5s ease-out; -moz-animation: fadeInFromNone 0.5s ease-out; -o-animation: fadeInFromNone 0.5s ease-out; animation: fadeInFromNone 0.5s ease-out; } @-webkit-keyframes fadeInFromNone { 0% { display: no...
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How to Apply Gradient to background view of iOS Swift App

... 30 Answers 30 Active ...
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How to round a number to significant figures in Python

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Small Haskell program compiled with GHC into huge binary

... for GNU/Linux 2.6.27, not stripped $ ldd A linux-vdso.so.1 => (0x00007fff1b9ff000) libXrandr.so.2 => /usr/lib/libXrandr.so.2 (0x00007fb21f418000) libX11.so.6 => /usr/lib/libX11.so.6 (0x00007fb21f0d9000) libGLU.so.1 => /usr/lib/libGLU.so.1 (0x00007fb21ee6d000) lib...
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Peak signal detection in realtime timeseries data

...core at which the algorithm signals and influence = the influence (between 0 and 1) of new signals on the mean and standard deviation. For example, a lag of 5 will use the last 5 observations to smooth the data. A threshold of 3.5 will signal if a datapoint is 3.5 standard deviations away from the m...
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Why `null >= 0 && null

...ncrements the value of a variable by 1 if its type is number and assigns 0 to the variable if not, where the variable is initially null or undefined . ...