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How to remove from a map while iterating it?
...r this pattern which is slightly clearer and simpler, at the expense of an extra variable:
for (auto it = m.cbegin(), next_it = it; it != m.cend(); it = next_it)
{
++next_it;
if (must_delete)
{
m.erase(it);
}
}
Advantages of this approach:
the for loop incrementor makes sense as an ...
Are tuples more efficient than lists in Python?
...s are incorporated directly in a tuple object. In contrast, lists have an extra layer of indirection to an external array of pointers.
This gives tuples a small speed advantage for indexed lookups and unpacking:
$ python3.6 -m timeit -s 'a = (10, 20, 30)' 'a[1]'
10000000 loops, best of 3: 0.0304 ...
Calling a class function inside of __init__
...
Oops, sorry there should have been an extra layer of indenting under the "class MyClass():" line. I've fixed it above, but the question remains the same.
– PythonJin
Sep 28 '12 at 19:55
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Guava: Why is there no Lists.filter() function?
...mmutableCollection, I find this a good design trade-off (vs coming up with extra methods & names, like filteredCopy or whatnot, for combinations of simple utilities).
– Luke Usherwood
Jul 31 '18 at 16:10
...
Good ways to manage a changelog using git?
... && rm -f ChangeLog.tmp; \
fi
EXTRA_DIST += .last-cl-gen
This rule is used at release time to update ChangeLog with the latest not-yet-recorded commit messages. The file .last-cl-gen contains the SHA1 identifier of the latest commit recorded in ChangeL...
Can I get a patch-compatible output from git-diff?
...
The git diffs have an extra path segment prepended to the file paths. You can strip the this entry in the path by specifying -p1 with patch, like so:
patch -p1 < save.patch
...
How to update a git clone --mirror?
...t remote update' does not in fact maintain the 'mirror' status without the extra operations mentioned there
– sehe
May 27 '11 at 12:26
1
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What are some better ways to avoid the do-while(0); hack in C++?
...
Try to extract the code into a separate function (or perhaps more than one). Then return from the function if the check fails.
If it's too tightly coupled with the surrounding code to do that, and you can't find a way to reduce the ...
Correct way of using JQuery-Mobile/Phonegap together?
...iginal HTML document before jquery.mobile loads. In this case hiding it an extra half second of empty space is preferred to seeing the unstyled document.
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Does “display:none” prevent an image from loading?
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an empty image src is dangerous. It sends an extra request to the server. a good read on this topic nczonline.net/blog/2009/11/30/…
– Srinivas
Jul 9 '13 at 16:27
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