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How do you merge two Git repositories?
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# finishes with all files added at once commit
git log rails/README.md
# then continue from original tree
git log <rev> -- README.md
There are more complex solutions like doing this manually or rewriting the history as described in other answers.
The git-subtree command is a part of offic...
Java how to replace 2 or more spaces with single space in string and delete leading and trailing spa
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+1, especially as it's worth noting that doing trim() and then replaceAll() uses less memory than doing it the other way around. Not by much, but if this gets called many many times, it might add up, especially if there's a lot of "trimmable whitespace". (Trim() doesn't really get r...
How to get everything after a certain character?
...er a certain value. The string always starts off with a set of numbers and then an underscore. I'd like to get the rest of the string after the underscore. So for example if I have the following strings and what I'd like returned:
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How to set JAVA_HOME in Linux for all users
...save the updates you make by going into command mode by Pressing "Esc" and then typing ":w" and pressing "Enter".
– RocketRuwan
Feb 1 '19 at 9:47
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Why is Java's Iterator not an Iterable?
...m item = iter.next();
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}
for (Item item : items) {
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}
Why then does this same argument not hold for iterators?
Iterator<Iter> iter...
..
while (iter.hasNext()) {
Item item = iter.next();
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}
for (Item item : iter) {
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}
In both cases, the calls to hasNext()...
JavaScript: Create and save file [duplicate]
...he "what is that?" comment was. If it was truly wanting to know what it is then w3.org/TR/file-writer-api would help. If it was pointing out that the project was canceled, that information is in the README of the git.
– WesR
Dec 25 '17 at 19:24
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MPICH vs OpenMPI
...Band, so if one is willing to define MPICH as "MPICH and its derivatives", then MPICH has extremely broad network support, including both InfiniBand and proprietary interconnects like Cray Seastar, Gemini and Aries as well as IBM Blue Gene (/L, /P and /Q). Open-MPI also supports the Cray Gemini int...
What is the standard way to add N seconds to datetime.time in Python?
... use full datetime variables with timedelta, and by providing a dummy date then using time to just get the time value.
For example:
import datetime
a = datetime.datetime(100,1,1,11,34,59)
b = a + datetime.timedelta(0,3) # days, seconds, then other fields.
print(a.time())
print(b.time())
results ...
Most efficient way to reverse a numpy array
...ate reversed_arr you are creating a view into the original array. You can then change the original array, and the view will update to reflect the changes.
Are you re-creating the view more often than you need to? You should be able to do something like this:
arr = np.array(some_sequence)
reverse...
Load a UIView from nib in Swift
...to the top level view in the XIB file (named it "view" for convenience). I then added other outlets to other controls in the XIB file as needed.
in SomeView.swift, I loaded the XIB inside the "init with code" initializer. There is no need to assign anything to "self". As soon as the XIB is loaded, a...