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What command means “do nothing” in a conditional in Bash?
... difficult to read. Bash is a DevOps language, and if : is written by someone on my team, I'd have them change it.
– SaintHax
May 29 '17 at 19:51
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How can I save my secret keys and password securely in my version control system?
...ng the file in version control. As you mention, the best solution would be one in which Git will transparently encrypt certain sensitive files when you push them so that locally (i.e. on any machine which has your certificate) you can use the settings file, but Git or Dropbox or whoever is storing y...
Code signing certificate for open-source projects?
I want to publish one of my applications as open-source and want to digitally sign the binaries I've created with my own certificate. (Of course, anyone else can just download the code and build it themselves with their own certificate.) I want to do this so anyone can check that this build was made...
Use String.split() with multiple delimiters
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Try this regex "[-.]+". The + after treats consecutive delimiter chars as one. Remove plus if you do not want this.
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Adding dictionaries together, Python [duplicate]
I have two dictionaries and I'd like to be able to make them one:
6 Answers
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Xcode debugger doesn't print objects and shows nil, when they aren't
... when trying to print an object with po <objectName> , but only for one project.
14 Answers
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Maximum packet size for a TCP connection
...e. Ethernet used to have a maximum MTU of 1500, but you could use a lower one. With the advent of jumbo frames, there is no real specified maximum, and the maximum varies depending on the hardware and driver.
– WhirlWind
Apr 10 '10 at 17:08
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Static class initializer in PHP
... - especially simple examples that are only meant to be illustrative. Everyone's scenarios and situations are different
– Peter Bailey
Jul 22 '10 at 20:47
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How to toggle a value in Python
...;> x
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The technique generalizes to any pair of integers. The xor-by-one step is replaced with a xor-by-precomputed-constant:
>>> A = 205
>>> B = -117
>>> t = A ^ B # precomputed toggle constant
>>> x = A
>>> x ^= t # toggle
>&g...
Base64 length calculation?
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Consider if you have one byte of input. That will produce four characters of output. But only two output characters are needed to encode the input. So two characters will be padding.
– David Schwartz
Nov 14 ...