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Viewing full version tree in git
...tell gitk what to display using anything that git rev-list understands, so if you just want a few branches, you can do:
gitk master origin/master origin/experiment
... or more exotic things like:
gitk --simplify-by-decoration --all
...
How can I delete the current line in Emacs?
...k # Kill line from current point
There is also
C-S-backspace # Ctrl-Shift-Backspace
which invokes M-x kill-whole-line.
If you'd like to set a different global key binding, you'd put this in ~/.emacs:
(global-set-key "\C-cd" 'kill-whole-line) # Sets `C-c d` to `M-x kill-whole-line`
...
“Register” an .exe so you can run it from any command line in Windows
...er is almost always the wrong one. At the very least it is incomplete. Specifically, this approach works fine for INSTALLING, but not good for uninstalling. Most uninstallers will WHIPE out the entire PATH variable when uninstalling the application associated with this. Therefor, if you write an in...
What's the difference between “static” and “static inline” function?
...mall functions that are called frequently that can make a big performance difference.
However, this is only a "hint", and the compiler may ignore it, and most compilers will try to "inline" even when the keyword is not used, as part of the optimizations, where its possible.
for example:
static in...
How to write binary data to stdout in python 3?
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Messes up order of writes when writing to stderr if using along with print(file=sys.stderr).
– Kotauskas
Jul 19 '19 at 10:16
add a comment
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How to override the [] operator in Python?
... key):
return key * 2
myobj = MyClass()
myobj[3] #Output: 6
And if you're going to be setting values you'll need to implement the __setitem__ method too, otherwise this will happen:
>>> myobj[5] = 1
Traceback (most recent call last):
File "<stdin>", line 1, in <module...
In C# what is the difference between a destructor and a Finalize method in a class?
What is the difference, if there is one, between a destructor and a Finalize method in a class?
3 Answers
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'float' vs. 'double' precision
...bers in C use IEEE 754 encoding.
This type of encoding uses a sign, a significand, and an exponent.
Because of this encoding, many numbers will have small changes to allow them to be stored.
Also, the number of significant digits can change slightly since it is a binary representation, not a deci...
How to attach my repo to heroku app
...
If you've heroku toolbelt:
If you're using the Heroku Toolbelt, the newer syntax is
heroku git:remote -a project
See this for more.
Credits: user101289's solution
Else if you don't have heroku toolbelt:
First do this:
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What is the purpose of Order By 1 in SQL select statement?
...TE
It's not a recommended practice, because:
It's not obvious/explicit
If the column order changes, the query is still valid so you risk ordering by something you didn't intend
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