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Python integer division yields float
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292
Take a look at PEP-238: Changing the Division Operator
The // operator will be available t...
How do I exchange keys with values in a dictionary?
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Python 2:
res = dict((v,k) for k,v in a.iteritems())
Python 3 (thanks to @erik):
res = dict((v,k) for k,v in a.items())
share
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Passing parameters to a Bash function
...and...
}
To call a function with arguments:
function_name "$arg1" "$arg2"
The function refers to passed arguments by their position (not by name), that is $1, $2, and so forth. $0 is the name of the script itself.
Example:
function_name () {
echo "Parameter #1 is $1"
}
Also, you need to...
Changing Vim indentation behavior by file type
...the file type? For instance, if I open a Python file it should indent with 2 spaces, but if I open a Powershell script it should use 4 spaces.
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What's the difference between lapply and do.call?
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127
There is a function called Map that may be similar to map in other languages:
lapply returns ...
Maximum and Minimum values for ints
... the maximum value representable by an unsigned word will be sys.maxsize * 2 + 1, and the number of bits in a word will be math.log2(sys.maxsize * 2 + 2). See this answer for more information.
Python 2
In Python 2, the maximum value for plain int values is available as sys.maxint:
>>> sy...
Redirect all output to file [duplicate]
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1213
That part is written to stderr, use 2> to redirect it. For example:
foo > stdout.txt 2&...
Python - Create list with numbers between 2 values?
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Use range. In Python 2.x it returns a list so all you need is:
>>> range(11, 17)
[11, 12, 13, 14, 15, 16]
In Python 3.x range is a iterator. So, you need to convert it to a list:
>>> list(range(11, 17))
[11, 12, 13, 14, 15, ...
App Inventor 2 AI伴侣有电脑版的吗? - App Inventor 2 中文网 - 清泛网 - 专注C/C++及内核技术
App Inventor 2 AI伴侣有电脑版的吗?ai2_connect有，但是不好用，不建议使用。参考中文文档：https://www.fun123.cn/reference/creative/connect.html各种连接方式的特点：连接方式测试介质特点AI伴侣Android手机特别适合小朋友...有，但是不好用，...
Apache Prefork vs Worker MPM
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120
Prefork and worker are two type of MPM apache provides. Both have their merits and demerits.
B...