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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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Where does Scala look for implicits?
...alue that can be passed "automatically", so to speak, or a conversion from one type to another that is made automatically.
Implicit Conversion
Speaking very briefly about the latter type, if one calls a method m on an object o of a class C, and that class does not support method m, then Scala will...
Best practices for API versioning? [closed]
... debugging a API client that works with the the new API version. Such versioned APIs should be time-limited and available to limited groups of API users (like during closed betas) only. Otherwise, you commit yourself where you shouldn't.
A couple of thoughts regarding maintenance of API versions th...
Is gcc's __attribute__((packed)) / #pragma pack unsafe?
...er is properly aligned. With an array of two struct foo objects, at least one or the other will have a misaligned x member.)
(In this case, p0 points to a misaligned address, because it points to a packed int member following a char member. p1 happens to be correctly aligned, since it points to th...
iTerm 2: How to set keyboard shortcuts to jump to beginning/end of line?
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To jump between words and start/end of lines in iTerm2 pick one of the two solutions below.
1. Simple solution (recommended)
Open Preferences
Click "Profile" tab
Select a profile in the list on the left (eg "Default") and click "Keys" tab
Click the "Presets" downdown and select "Na...
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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Stop Excel from automatically converting certain text values to dates
Does anyone happen to know if there is a token I can add to my csv for a certain field so Excel doesn't try to convert it to a date?
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The maximum value for an int type in Go
How does one specify the maximum value representable for an unsigned integer type?
10 Answers
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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 purpose of Flask's context stacks?
...plication context? Are these two separate stacks, or are they both part of one stack? Is the request context pushed onto a stack, or is it a stack itself? Am I able to push/pop multiple contexts on top of eachother? If so, why would I want to do that?
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