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Finding the average of a list
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And it produces a nicer error if you accidentally pass in an empty list statistics.StatisticsError: mean requires at least one data point instead of a more cryptic ZeroDivisionError: division by zero for the sum(x) / len(x) solution.
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How to copy from CSV file to PostgreSQL table with headers in CSV file?
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Got syntax error at or near "HEADER" LINE 2: delimiter ',' CSV HEADER on aws redshift.
– Mithril
Jan 5 '19 at 9:32
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Find all packages installed with easy_install/pip?
...reeze to be reliable in scripts, whereas pip list will generate unexpected errors when being used with pipes.
– Dale Anderson
Jan 18 '17 at 19:54
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mysql_config not found when installing mysqldb python interface
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Can we finally admit that 'pip' is a colossal failure? Errors like this are such a pain, and they seem to happen with the majority of packages. Python badly needs a new solution to package management.
– Eddie Sullivan
Sep 14 '17 at 22:30
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Error handling with node.js streams
What's the correct way to handle errors with streams? I already know there's an 'error' event you can listen on, but I want to know some more details about arbitrarily complicated situations.
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Count number of files within a directory in Linux? [closed]
...ipe: du --inodes [root@cs-1-server-01 million]# du --inodes 1000001 ./vdb.1_1.dir 1000003 . [root@cs-1-server-01 million]#
– Venfah Nazir
Jan 9 at 7:28
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Dynamically update values of a chartjs chart
...7]
},
{
fillColor : "rgba(151,187,205,0.5)",
strokeColor : "rgba(151,187,205,1)",
pointColor : "rgba(151,187,205,1)",
pointStrokeColor : "#fff",
data : [28,48,40,19,96,87,66,97,92,85]
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关于 __VA_ARGS__ 宽字符版本的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
关于 __VA_ARGS__ 宽字符版本的问题在写一个可变参数的记录日志函数，考虑到宽字符（Unicode版本）时：#define WIDEN2(x) L ## x#define WIDEN(x) WIDEN2(x)#define __...在写一个可变参数的记录日志函数，考虑到宽字符（Unicode版本）时：
#defin...
Programmatically get the version number of a DLL
...DLL file (and if the DLL is there!), however, one will get a much unwanted error if the DLL is EMBEDDED (i.e., not a file but an embedded DLL).
The other thing is, if one uses a versioning scheme with something like "1.2012.0508.0101", when one gets the version string you'll actually get "1.2012.51...
Length of generator output [duplicate]
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The easiest way is probably just sum(1 for _ in gen) where gen is your generator.
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