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What's the simplest way to test whether a number is a power of 2 in C++?
... has a large collection of clever bit-twiddling algorithms, including this one.
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Try-catch speeding up my code?
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One of the Roslyn engineers who specializes in understanding optimization of stack usage took a look at this and reports to me that there seems to be a problem in the interaction between the way the C# compiler generates loca...
Should I use SVN or Git? [closed]
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SVN is one repo and lots of clients. Git is a repo with lots of client repos, each with a user. It's decentralised to a point where people can track their own edits locally without having to push things to an external server.
SVN i...
What exactly are “spin-locks”?
...uld use spinlocks wherever possible?" and I'll try to answer it:
As I mentioned, Spinlocks are only useful in places where anticipated waiting time is shorter than a quantum (read: milliseconds) and preemption doesn't make much sense (e.g. kernel objects aren't available).
If waiting time is unknown...
What is the difference between map and flatMap and a good use case for each?
Can someone explain to me the difference between map and flatMap and what is a good use case for each?
16 Answers
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Injecting $scope into an angular service function()
...s, other services etc).
I am sure, various approaches would work for you. One is this:
Since the StudentService is in charge of dealing with student data, you can have the StudentService keep an array of students and let it "share" it with whoever might be interested (e.g. your $scope). This makes ...
How to quickly and conveniently create a one element arraylist [duplicate]
... for example add elements to this List, it will throw an UnsupportedOperationException!
– Adamsan
Aug 28 '14 at 9:33
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How can I remove duplicate rows?
...qlinthewild.co.za/index.php/2010/03/23/… Two SELECTs then were produced, one using the LEFT JOIN + WHERE IS NULL technique, the other using the NOT IN one. Then I proceeded with the execution plans, and guess what? The query costs were 18% for LEFT JOIN against 82% for NOT IN, a big surprise to me...
HTML+CSS: How to force div contents to stay in one line?
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Everybody jumped on this one!!! I too made a fiddle:
http://jsfiddle.net/audetwebdesign/kh4aR/
RobAgar gets a point for pointing out white-space:nowrap first.
Couple of things here, you need overflow: hidden if you don't want to see the extra cha...
Copy files from one directory into an existing directory
...lly like this syntax, but for some reason it doesn't work with mv. Does anyone know why?
– Martin von Wittich
Sep 16 '13 at 11:18
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