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How to extract extension from filename string in Javascript? [duplicate]
...et the File extension of the file in a variable?
like if I have a file as 1.txt I need the txt part of it.
10 Answers
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Difference between JSONObject and JSONArray
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189
When you are working with JSON data in Android, you would use JSONArray to parse JSON which st...
How do you use “
...) {
function(x) x ^ exponent
}
square <- power(2)
square(2) # -> [1] 4
square(4) # -> [1] 16
cube <- power(3)
cube(2) # -> [1] 8
cube(4) # -> [1] 64
The ability to manage variables at two levels also makes it possible to maintain the state across function invocations by allow...
git diff two files on same branch, same commit
...
answered Dec 20 '12 at 2:21
JaredMcAteerJaredMcAteer
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What does glLoadIdentity() do in OpenGL?
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139
The identity matrix, in terms of the projection and modelview matrices, essentially resets the...
Programmer Puzzle: Encoding a chess board state throughout a game
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31 Answers
31
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How to pipe stdout while keeping it on screen ? (and not to a output file)
...ty | foo
Reference: The Open Group Base Specifications Issue 7
IEEE Std 1003.1, 2013 Edition, §10.1:
/dev/tty
Associated with the process group of that process, if any. It is
useful for programs or shell procedures that wish to be sure of
writing messages to or reading data from the...
How can I plot separate Pandas DataFrames as subplots?
...rt matplotlib.pyplot as plt
fig, axes = plt.subplots(nrows=2, ncols=2)
df1.plot(ax=axes[0,0])
df2.plot(ax=axes[0,1])
...
Here axes is an array which holds the different subplot axes, and you can access one just by indexing axes.
If you want a shared x-axis, then you can provide sharex=True to pl...
App Inventor 2 数学积木完全指南：从加减乘除到位运算，一篇搞定所有计算...
...，实现三个甚至更多数字同时运算：
加法： 1 + 2 + 3 + 4 = 10 （一个积木搞定，不用嵌套）
乘法： 2 x 3 x 4 = 24 （同理，一个积木搞定）
幂运算积木 ^ 也非常实用：2 ^ 3 =...
Where is the “Fold” LINQ Extension Method?
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127
You will want to use the Aggregate extension method:
double product = doubles.Aggregate(1.0, ...