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What is tail recursion?
...rting to learn lisp, I've come across the term tail-recursive . What does it mean exactly?
28 Answers
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Overwriting my local branch with remote branch [duplicate]
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first, create a new branch in the current position (in case you need your old 'screwed up' history):
git branch fubar-pin
update your list of remote branches and sync new commits:
git fetch --all
then, reset your branch to the point where origin/branch points to:
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Where is android studio building my .apk file?
...building my project from the ground up, so there's been a lot of problems with it. At the moment, everything's working great, except that when I try to run the app, I get the message 'Local path doesn't exist.' , where the local path is pointing at the path: AndroidStudioProjects\MyProject\MyProje...
Add leading zeroes to number in Java? [duplicate]
... better way of getting this result? This function fails if num has more digits than digits, and I feel like it should be in the library somewhere (like Integer.toString(x,"%3d") or something)
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How to make “if not true condition”?
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try
if ! grep -q sysa /etc/passwd ; then
grep returns true if it finds the search target, and false if it doesn't.
So NOT false == true.
if evaluation in shells are designed to be very flexible, and many times doesn't require chains of commands (as you have written).
Also, looking a...
What is private bytes, virtual bytes, working set?
I am trying to use the perfmon windows utility to debug memory leaks in a process.
4 Answers
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JSON Naming Convention (snake_case, camelCase or PascalCase) [closed]
...es using all lower case separated by underscore, aka snake_case , but can it be used PascalCase or camelCase as well?
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Get a list of all threads currently running in Java
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To get an iterable set:
Set<Thread> threadSet = Thread.getAllStackTraces().keySet();
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What is an index in SQL?
...L server has to walk through the whole table and check every row to see if it matches, which may be a slow operation on big tables.
The index can also be a UNIQUE index, which means that you cannot have duplicate values in that column, or a PRIMARY KEY which in some storage engines defines where in...
sudo echo “something” >> /etc/privilegedFile doesn't work
This is a pretty simple question, at least it seems like it should be, about sudo permissions in Linux.
15 Answers
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