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How do I check if a list is empty?
For example, if passed the following:
27 Answers
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Python - 'ascii' codec can't decode byte
I'm really confused. I tried to encode but the error said can't decode... .
7 Answers
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What does void mean in C, C++, and C#?
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Basically it means "nothing" or "no type"
There are 3 basic ways that void is used:
Function argument: int myFunc(void)
-- the function takes nothing.
Function return value: void myFunc(int)
-- the function returns nothing
Generic data pointer: void*...
How do I parse a string to a float or int?
In Python, how can I parse a numeric string like "545.2222" to its corresponding float value, 545.2222 ? Or parse the string "31" to an integer, 31 ?
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Post-install script with Python setuptools
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Note: The solution below only works when installing a source distribution zip or tarball, or installing in editable mode from a source tree. It will not work when installing from a binary wheel (.whl)
This solution is more transparent:
You will make a ...
What's the best way to convert a number to a string in JavaScript? [closed]
...t a number to a string (in terms of speed advantage, clarity advantage, memory advantage, etc) ?
23 Answers
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How can I check if an argument is defined when starting/calling a batch file?
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The check for whether a commandline argument has been set can be [%1]==[], but, as Dave Costa points out, "%1"=="" will also work.
I also fixed a syntax error in the usage echo to escape the greater-than and less-than signs. In additio...
What is the difference between task and thread?
...een Thread and Task . I did some sample program(help taken from MSDN) for my own sake of learning with
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Collections.emptyMap() vs new HashMap()
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From Effective Java, Item #43 - "Return empty arrays or collections, not null" demonstrates returning an empty collection and perhaps even demonstrates using these emptyList(), emptySet(), and emptyMap() methods on the Collections class to get an empty collection that also has ...
How to remove extension from string (only real extension!)
I'm looking for a small function that allows me to remove the extension from a filename.
17 Answers
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