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Automatically enter SSH password with script
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I've added an answer with a more secure usage of sshpass.
– Ian
Nov 20 '17 at 17:08
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What is the __del__ method, How to call it?
...might not necessary happen right after and might not happen at all.
Even more, variables can live for a long time for many reasons, e.g. a propagating exception or module introspection can keep variable reference count greater than 0. Also, variable can be a part of cycle of references — CPython...
How to Detect if I'm Compiling Code with a particular Visual Studio version?
... in any recent boost install for some usage examples.
Some values for the more recent versions of the compiler are:
MSVC++ 14.24 _MSC_VER == 1924 (Visual Studio 2019 version 16.4)
MSVC++ 14.23 _MSC_VER == 1923 (Visual Studio 2019 version 16.3)
MSVC++ 14.22 _MSC_VER == 1922 (Visual Studio 2019 vers...
What is the Difference Between read() and recv() , and Between send() and write()?
...ify certain options for the actual operation. Those functions are slightly more specialized (for instance, you can set a flag to ignore SIGPIPE, or to send out-of-band messages...).
Functions read()/write() are the universal file descriptor functions working on all descriptors.
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'App not Installed' Error on Android
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Thank you! Android Studio should give more information about this when signing the application, or make it more obvious what it does when you don't tick V1 (Jar Signature)
– melledijkstra
Jan 16 '18 at 15:50
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C state-machine design [closed]
...c to that unit (which is why I used quotes around "global" above - they're more shared within the FSM, than truly global). As with all globals, it requires care.
The transitions array then defines all possible transitions and the functions that get called for those transitions (including the catch-...
How do I test if a variable is a number in Bash?
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@Ben do you really want to handle more than one minus sign? I'd make it ^-? rather than ^-* unless you're actually doing the work to handle multiple inversions correctly.
– Charles Duffy
Jun 26 '11 at 22:57
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How can I apply a function to every row/column of a matrix in MATLAB?
...ctor of sums for each column
And here is how you would do this using the more complicated num2cell/cellfun option:
M = magic(10); %# A 10-by-10 matrix
C = num2cell(M, 1); %# Collect the columns into cells
columnSums = cellfun(@sum, C); %# A 1-by-10 vector of sums for...
Java Class.cast() vs. cast operator
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Why is second variant better? Isn't first variant more efficient because caller's code would do dynamic cast anyway?
– user1944408
Mar 4 '14 at 3:39
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Using margin:auto to vertically-align a div
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