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Byte order mark screws up file reading in Java
...icode
* BOMs.
*/
public static final class BOM
{
/**
* NONE.
*/
public static final BOM NONE = new BOM(new byte[]{},"NONE");
/**
* UTF-8 BOM (EF BB BF).
*/
public static final BOM UTF_8 = new BOM(new byte[]{(byte)0xEF,
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What is opinionated software?
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An opinionated framework is one which is designed in such a wayy that it's users will experience the least frinction with that framework when the framework is used in a way that does not violate the assumptions made by the framework designer.
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Escape regex special characters in a Python string
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I'm surprised no one has mentioned using regular expressions via re.sub():
import re
print re.sub(r'([\"])', r'\\\1', 'it\'s "this"') # it's \"this\"
print re.sub(r"([\'])", r'\\\1', 'it\'s "this"') # it\'s "this"
print re.sub(r'([\"...
Method call if not null in C#
...nvoke" problem.
===
Prior to C# 6, no: there is no null-safe magic, with one exception; extension methods - for example:
public static void SafeInvoke(this Action action) {
if(action != null) action();
}
now this is valid:
Action act = null;
act.SafeInvoke(); // does nothing
act = delegate...
Get the cartesian product of a series of lists?
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Note: This works only if each list contains at least one item
– igo
Sep 13 '17 at 12:35
2
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Partial classes in separate dlls
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While other answers do provide the unpleasant "No" that anyone landing on this page didn't want to see or hear, I was struck by another thought that hasn't been mentioned here yet. If partial classes were allowed across assemblies, one would get access to private members of existing ...
What is Linux’s native GUI API?
...feel across applications, make it easier to use drag-and-drop, provide components standard to a modern desktop environment, and so on.
How X draws on the screen internally depends on the implementation. X.org has a device independent part and a device dependent part. The former manages screen resou...
Changing selection in a select with the Chosen plugin
... You don't event need to trigger any events. Perhaps, it is of use for someone else too... :)
– Timo
Mar 26 '14 at 11:04
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What is the perfect counterpart in Python for “while not EOF”
....stdin:
do_something()
To complete the picture, binary reads can be done with:
from functools import partial
with open('somefile', 'rb') as openfileobject:
for chunk in iter(partial(openfileobject.read, 1024), b''):
do_something()
where chunk will contain up to 1024 bytes at a ...
Order data frame rows according to vector with specific order
...that a data frame's rows are ordered according to a "target" vector as the one I implemented in the short example below?
5 ...