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How to log cron jobs?

... in /var/log/syslog, as already mentioned by @Matthew Lock. The logging of errors AFTER the program tried to execute, which can be sent to an email or to a file, as mentioned by @Spliffster. I prefer logging to a file, because with email THEN you have a NEW source of problems, and its checking if em...
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How to create an infinite loop in Windows batch file?

...s) rem ** can be stopped with exit rem ** can be stopped with a syntax error call :stop ) :stop call :__stop 2>nul :__stop () creates a syntax error, quits the batch This could be useful if you need a really infinite loop, as it is much faster than a goto :loop version because a for-loo...
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Initialise a list to a specific length in Python [duplicate]

...| edited Jan 10 '19 at 10:05 xoxox 59911 gold badge1111 silver badges2121 bronze badges answered May 7 '...
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Are static class variables possible in Python?

... the value of the class attribute using x instance assert x.i == Test.i # ERROR assert Test.i == 3 # Test.i was not affected assert x.i == 12 # x.i is a different object than Test.i This is because the line x.i = 12 has added a new instance attribute i to x instead of changing the value o...
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`elif` in list comprehension conditionals

... do this. – dTanMan Nov 7 '19 at 16:05 add a comment  |  ...
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What is the scope of variables in JavaScript?

...perties on the global object. Examples The following will throw a ReferenceError because the namesx, y, and z have no meaning outside of the function f. function f() { var x = 1 let y = 1 const z = 1 } console.log(typeof x) // undefined (because var has function scope!) console.log(t...
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Why does “return list.sort()” return None, not the list?

....sort() NOT sorted() on the list afterwards, since this generates the same error l = ['1']; l = sorted(l.append('2')) (I just added semi-colon so you could cut/paste and run) – JGFMK May 30 '18 at 9:54 ...
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How to get disk capacity and free space of remote computer

...u run the powershell under task scheduler 2) You may get Access is denied errors errors trying to used "get-WmiObject" on remote computers (depending on your infrastructure setup, of course) The alternative that doesn't suffer from these issues is to use GetDiskFreeSpaceEx with a UNC path: functi...
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Extract subset of key-value pairs from Python dictionary object?

...rations are doing a different thing to the last two, and will result in an error if key doesn't exist in bigdict. – naught101 Jun 19 at 1:56 1 ...
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undefined reference to `WinMain@16'

... x.cpp user32.lib /link /subsystem:windows x.cpp LIBCMT.lib(wincrt0.obj) : error LNK2019: unresolved external symbol _WinMain@16 referenced in function ___tmainCRTStartu p x.exe : fatal error LNK1120: 1 unresolved externals C:\test> _ Technically this is because Microsoft’s linker is non-sta...