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How to add leading zeros?
I have a set of data which looks something like this:
8 Answers
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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...
Join a list of strings in python and wrap each string in quotation marks
... editor after snippets, if snippets enabled
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How to write to a file in Scala?
For reading, there is the useful abstraction Source . How can I write lines to a text file?
18 Answers
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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 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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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".
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a a a a...
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 &...
What are the most useful Intellij IDEA keyboard shortcuts? [closed]
I did a bit of googling hoping to find a post on IDEA shortcuts similar to Jeff's post on Visual Studio shortcuts ( Visual Studio .NET 2003 and 2005 Keyboard Shortcuts ), but didn't really spot anything that helped. Hopefully the answers to this question will fill the void.
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