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How to stage only part of a new file with git?
...ly complicated. How about this instead:
git add -N new_file
git add -i
From git help add:
-N, --intent-to-add
Record only the fact that the path will be added later. An entry
for the path is placed in the index with no content. This is useful
for, among other things, showing the u...
How do I close all open tabs at once?
...ow.
The commands :qa and :wqa didn't work because they closed all the tabs from all the windows.
The command :tabonly closed all the tabs from the current window except the current tab.
Because I'm usually only using 2 windows at the same time, the closer I managed to get to my need was to focus on ...
In git, what is the difference between merge --squash and rebase?
...is is useful if you want to throw away the source branch completely, going from (schema taken from SO question):
git checkout stable
X stable
/
a---b---c---d---e---f---g tmp
to:
git merge --squash tmp
git commit -m "squash tmp"
X----------...
Performance surprise with “as” and nullable types
...isn't isinst in this case, but the additional unbox.any. This wasn't clear from Hans' answer, as he looked at the JITed code only. In general, the C# compiler will emit an unbox.any after a isinst T? (but will omit it in case you do isinst T, when T is a reference type).
Why does it do that? isinst...
How to Rotate a UIImage 90 degrees?
...rc drawAtPoint:CGPointMake(0, 0)];
UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return image;
}
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Significance of a .inl file in C++
...e bottom of the header file.
I like it because it separates the interface from the implementation and makes the header file a little easier to read. If you care about the implementation details, you can open the .inl file and read it. If you don't, you don't have to.
...
android layout: This tag and its children can be replaced by one and a compound drawable
...one or more images
adjacent to the text).
If the two widgets are offset from each other with margins, this
can be replaced with a drawablePadding attribute.
There's a lint quickfix to perform this conversion in the Eclipse
plugin.
From: Android Official API docs!
...
C# Set collection?
...ample, you can quickly find the start and end point of a range and iterate from the start to the end, visiting items in key-order. SortedDictionary is roughly equivalent to std::set.
– doug65536
Feb 4 '13 at 7:43
...
Does Python support short-circuiting?
...72]: name
Out[172]: '<Unkown>'
In other words, if the return value from raw_input is true (not an empty string), it is assigned to name (nothing changes); otherwise, the default '<unknown>' is assigned to name.
...
Length of generator output [duplicate]
...
len(list(gen)),
len([_ for _ in gen]),
sum(1 for _ in gen),
ilen(gen) (from more_itertool),
reduce(lambda c, i: c + 1, gen, 0),
sorted by performance of execution (including memory consumption), will make you surprised:
```
1: test_list.py:8: 0.492 KiB
gen = (i for i in data*1000); t0 = m...