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Convert a number range to another range, maintaining ratio
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This is wrong. You need to subtract Old Min from Old Value before the divide.
– SPWorley
May 30 '09 at 5:54
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Why does this C++ snippet compile (non-void function does not return a value) [duplicate]
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This is undefined behavior from the C++11 draft standard section 6.6.3 The return statement paragraph 2 which says:
[...] Flowing off the end of a function is equivalent to a return with no value; this results in undefined behavior in a value-retur...
Why would a static nested interface be used in Java?
...t code which cannot access Foo will not be able to access Foo.Bar either. (From source code - bytecode or reflection can access Foo.Bar even if Foo is package-private!)
It is acceptable style to create a nested interface this way if you expect it to be used only from the outer class, so that you do...
Iterating through a range of dates in Python
...unction to completely hide/abstract the iteration over the range of dates:
from datetime import timedelta, date
def daterange(start_date, end_date):
for n in range(int((end_date - start_date).days)):
yield start_date + timedelta(n)
start_date = date(2013, 1, 1)
end_date = date(2015, 6,...
Get list from pandas DataFrame column headers
I want to get a list of the column headers from a pandas DataFrame. The DataFrame will come from user input so I won't know how many columns there will be or what they will be called.
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How to run a hello.js file in Node.js on windows?
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@Mitul - Right, this is the detail that was missing from your description -- i.e. how you were starting node -- that was preventing others from helping you. Starting node with no arguments drops you into the REPL. This is an environment for interactively executing javascript. ...
Converting between strings and ArrayBuffers
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38 | ? | 20 | ? | - | 38
Data from MDN - `npm i -g mdncomp` by epistemex
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Hard reset of a single file
... both the working copy of my-file.txt and its state in the index with that from HEAD.
-- basically means: treat every argument after this point as a file name. More details in this answer. Thanks to VonC for pointing this out.
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git: undo all working dir changes including new files
How to delete all changes from working directory including new untracked files. I know that git checkout -f does that, but it doesn't delete new untracked files created since last commit.
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How to download a branch with git?
...current branch. It will display an output that looks something like this:
From github.com:andrewhavens/example-project
dbd07ad..4316d29 master -> origin/master
* [new branch] production -> origin/production
* [new branch] my-bugfix-branch -> origin/my-bugfix-branch
Firs...