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What characters are forbidden in Windows and Linux directory names?
... but don't forget on Windows you have to manage reserved, case-independent strings, like device names (prn, lpt1, con) and . and ..
– tahoar
Oct 12 '16 at 18:46
3
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Compare floats in php
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What about performance? bccomp() takes strings as arguments. Anyway you could use PHP_FLOAT_DIG for the scale argument.
– Code4R7
Sep 28 '17 at 20:29
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Why can't I call read() twice on an open file?
...I call it the second time, it doesn't seem to return the file content as a string?
7 Answers
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Pandas DataFrame column to list [duplicate]
...e, header=False, index=False).split('\n')
this will return each row as a string.
['1.0,4', '2.0,5', '3.0,6', '']
Then split each row to get list of list. Each element after splitting is a unicode. We need to convert it required datatype.
def f(row_str):
row_list = row_str.split(',')
retu...
ASP.NET MVC - TempData - Good or bad practice
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Why do that extra work when you can post directly back to Products/New? What value does Products/Create add?
– mpen
Dec 10 '11 at 21:07
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bash: shortest way to get n-th column of output
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But then I need to type an extra space. That's too exhausting :)
– StackedCrooked
Jun 30 '18 at 9:32
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Concatenating Files And Insert New Line In Between Files
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This puts the string at the end of the file; how do I get it inserted between each file?
– onassar
Nov 19 '18 at 16:37
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Do sealed classes really offer performance Benefits?
...MSIL code was emitted.
public class NormalClass {
public void WriteIt(string x) {
Console.WriteLine("NormalClass");
Console.WriteLine(x);
}
}
public sealed class SealedClass {
public void WriteIt(string x) {
Console.WriteLine("SealedClass");
Console.Writ...
Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell
...s changes the time to 8.5 seconds.
factorCount' is constantly applying two extra arguments that never change (number, sqrt). A worker/wrapper transformation gives us:
$ time ./so
842161320
real 0m7.954s
user 0m7.944s
sys 0m0.004s
That's right, 7.95 seconds. Consistently...
Starting python debugger automatically on error
...tically start pdb when an error is encountered? I am not against having an extra import statement at the top of the file, nor a few extra lines of code.
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