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git discard all changes and pull from upstream
...po, which is master, and I completely messed it up, so I basically need to start over from the upstream. I think init will do the job, but is there an easier way?
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Is it bad practice to make a setter return “this”?
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Maybe not to start with, but a setter doesn't necessarily keep its original purpose. What used to be a variable might change into a state that encompasses several variables or have other side effects. Some setters might return a previou...
Difference between object and class in Scala
...he Internet and have noticed in some examples an object is declared at the start of the example.
13 Answers
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Saving vim macros
...and paste the contents, then the register will be around the next time you start vim.
The format is something like:
let @q = 'macro contents'
Be careful of quotes, though. They would have to be escaped properly.
So to save a macro you can do:
From normal mode: qq
enter whatever commands
From ...
Difference between const & const volatile
...I'd have thought that volatile variables are usually what happens when you start messing with hardware, not with other threads. Where I've seen const volatile used is in things like memory-mapped status registers or the like.
– JUST MY correct OPINION
Jan 4 '1...
Determining if a number is either a multiple of ten or within a particular set of ranges
...inner. For a more general, algorithm-like solution, you can take a list of starting and ending values and check if a passed value is within one of them:
template<typename It, typename Elem>
bool in_any_interval(It first, It last, const Elem &val) {
return std::any_of(first, last, [&am...
How to recover a dropped stash in Git?
...ome old commit message
Note: The commit message will only be in this form (starting with "WIP on") if you did not supply a message when you did git stash.
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Using Emacs as an IDE
...retty simple to use, no need to customize your init file.
You just need to start emacs in daemon mode;
emacs --daemon
This will create an emacs server, then you can connect it either from terminal, or from gui. I'd also recommend to create some aliases to make it easy to call.
alias ec="emacscl...
iphone ios running in separate thread
...ution. Also, make sure you aren't diving into concurrency too quickly. Try starting by writing things single-threaded and profile to see if you need to go multithreaded, or if you can design your single-threaded code to be more efficient on its own. For simple tasks, you can sometimes do everything ...
Is there a way to access an iteration-counter in Java's for-each loop?
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The answer should start with "No, but you can provide your own counter."
– user1094206
Nov 26 '15 at 18:35
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