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How to create a remote Git repository from a local one?
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In order to initially set up any Git server, you have to export an existing repository into a new bare repository — a repository that doesn’t contain a working directory. This is generally straightforward to do. In order to ...
Java regex capturing groups indexes
...group in the pattern start indexing from 1. The indices are defined by the order of the opening parentheses of the capturing groups. As an example, here are all 5 capturing groups in the below pattern:
(group)(?:non-capturing-group)(g(?:ro|u)p( (nested)inside)(another)group)(?=assertion)
| | ...
Calculate relative time in C#
...m, while this code may work it is incorrect and invalid to assume that the order of the keys in the Dictionary will be in a specific order. The Dictionary uses the Object.GetHashCode() which does not return a long but an int!. If you want these to be sorted then you should use a SortedList<long, ...
What's the difference between deque and list STL containers?
...idates only the iterators that point to the elements that are removed. The ordering of iterators may be changed (that is, list::iterator might have a different predecessor or successor after a list operation than it did before), but the iterators themselves will not be invalidated or made to point t...
Cross-thread operation not valid: Control accessed from a thread other than the thread it was create
...lease read the Threading Model in UI applications (old VB link is here) in order to understand basic concepts. The link navigates to page that describes the WPF threading model. However, Windows Forms utilizes the same idea.
The UI Thread
There is only one thread (UI thread), that is allowed to a...
Using Mockito's generic “any()” method
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This class is now deprecated in order to avoid a name clash with Hamcrest. Use org.mockito.ArgumentMatchers
– leo9r
Mar 22 '19 at 23:26
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What exactly is metaprogramming?
... amusement. We were a tiny startup,
programming as hard as we could in
order to put technical barriers
between us and our competitors.
A suspicious person might begin to
wonder if there was some correlation
here. A big chunk of our code was
doing things that are very hard to do
in...
Getting the count of unique values in a column in bash
...lues in a column for all the files in a folder and sort them in decreasing order of count (highest count first). How would I accomplish this in a Linux command line environment?
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What do ellipsis […] mean in a list?
...crete example.
Graph reduction is an evaluation strategy sometime used in order to interpret a computer language. This is a common strategy for lazy evaluation, notably of functional languages.
The starting point is to build a graph representing the sequence of "steps" the program will take. Depen...
Why aren't Java Collections remove methods generic?
... and HashSet are checking for the hash code, and TreeSet/Map are using the ordering of the elements. Still, they fully implement Collection.remove, without breaking its contract (if the ordering is consistent to equals). And a varied ArrayList (or AbstractCollection, I think) with the equals call tu...