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Can I squash commits in Mercurial?
... can do this using mercurial without any extensions by Concatenating Changesets.
Alternately if you want to use an extension you could use:
The Collapse Extension
The Rebase Extension or
The Histedit Extension
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Quick-and-dirty way to ensure only one instance of a shell script is running at a time
...t atomic and is thus useless. You need an atomic mechanism for test & set.
– K Richard Pixley
Mar 31 '17 at 17:56
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Join a list of strings in python and wrap each string in quotation marks
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How to print colored text in Python?
... Windows 10 provided you enable VT100 emulation). There are ansi codes for setting the color, moving the cursor, and more.
If you are going to get complicated with this (and it sounds like you are if you are writing a game), you should look into the "curses" module, which handles a lot of the compl...
Rename MySQL database [duplicate]
...e system you'll need to take it down. If you cannot, then you will need to setup replication from this database to the new one.
If you want to see the commands to do this, @jan has the details.
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How can we match a^n b^n with Java regex?
...t since we made the self-reference matching optional, the "counter" can "reset" back to 0 when there aren't enough b's. Let's closely examine what happens at every iteration of our pattern with aaaaabbb as input.
a a a a a b b b
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# Initial state: Group 1 is "uninitialized".
_
a a a a...
How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting
I have a set of data and I want to compare which line describes it best (polynomials of different orders, exponential or logarithmic).
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How to pass macro definition from “make” command line arguments (-D) to C source code?
...de the CFLAGS value already defined the Makefile.
Alternatively you could set -Dvar=42 in another variable than CFLAGS and then reuse this variable in CFLAGS to avoid completely overriding CFLAGS.
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Why are C character literals ints instead of chars?
In C++, sizeof('a') == sizeof(char) == 1 . This makes intuitive sense, since 'a' is a character literal, and sizeof(char) == 1 as defined by the standard.
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How do I make a list of data frames?
... of sequentially named data frames you can create a list of the desired subset of data frames like this:
d1 <- data.frame(y1=c(1,2,3), y2=c(4,5,6))
d2 <- data.frame(y1=c(3,2,1), y2=c(6,5,4))
d3 <- data.frame(y1=c(6,5,4), y2=c(3,2,1))
d4 <- data.frame(y1=c(9,9,9), y2=c(8,8,8))
my.list &...