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Explain which gitignore rule is ignoring my file
... back in 2009 this feature was requested and partially implemented. After reading the thread, I realised it would not be too much work to do it properly, so I have started work on a patch and hope to have it finished in the next day or two. I will update this answer when it is ready.
UPDATE: Wow,...
How to navigate through a vector using iterators? (C++)
...ate through containers, but I've never used iterators before, and what I'm reading is confusing.
5 Answers
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Callback functions in C++
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A function pointer is the 'simplest' (in terms of generality; in terms of readability arguably the worst) type a callback can have.
Let's have a simple function foo:
int foo (int x) { return 2+x; }
1.1 Writing a function pointer / type notation
A function pointer type has the notation
return...
How to overload std::swap()
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@curiousguy: If reading the standard was just a simple matter of reading the standard, you’d be right :-). Unfortunately, the intent of the authors matters. So if the original intent was that ADL could or should be used, it’s underspec...
What does pylint's “Too few public methods” message mean
...get extra: not writing constructors, default values, validation, __repr__, read-only objects (to replace namedtuples, even in Python 2) and more.
b) Use dataclasses (Py 3.7+)
Following hwjp's comment, I also recommend dataclasses:
https://docs.python.org/3/library/dataclasses.html
This is almost...
100% width Twitter Bootstrap 3 template
... start writing <div class="row"> without container class and you are ready to go with 100% width layout.
<!DOCTYPE html>
<html>
<head>
<title>Bootstrap Basic 100% width Structure</title>
<meta name="viewport" content="width=device-width, initial-sc...
Is pass-by-value a reasonable default in C++11?
...ar(foo f); // want to obtain a copy of f
bar(const foo& f); // want to read f
bar(foo& f); // want to modify f
All other signatures should be used only sparingly, and with good justification. The compiler will now pretty much always work these out in the most efficient way. You can just ge...
The written versions of the logical operators
...an it is helpful. I'm sure if it were normal, they would be much easier to read, but people are so used to && and || anything else just gets distracting.
EDIT: I have seen a very slight increase in their usage since I posted this, however. I still avoid them.
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Jelly Bean DatePickerDialog — is there a way to cancel?
--- Note to moderators: Today (July 15), I've noticed that someone already faced this problem here . But I'm not sure if it's appropriate to close this as a duplicate, since i think I provided a much better explanation of the issue. I'm not sure if I should edit the other question and paste this ...
How to overcome TypeError: unhashable type: 'list'
...you're done
with open('filename.txt', 'rb') as f:
d = {}
# Here we use readlines() to split the file into a list where each element is a line
for line in f.readlines():
# Now we split the file on `x`, since the part before the x will be
# the key and the part after the value
line =...