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When are you truly forced to use UUID as part of the design?
...UUID generator/parser for Ruby, so I consider myself to be reasonably well-informed on the subject. There are four major UUID versions:
Version 4 UUIDs are essentially just 16 bytes of randomness pulled from a cryptographically secure random number generator, with some bit-twiddling to identify the...
Using custom std::set comparator
... -std=c++14 -Wall -Wextra -pedantic -o main.out main.cpp
./main.out
More info about std::less<> can be found at: What are transparent comparators?
Tested on Ubuntu 16.10, g++ 6.2.0.
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SQLAlchemy: Creating vs. Reusing a Session
...w, this answers all my questions on the SQLAlchemy part and even adds some info about Flask and Pyramid! Added bonus: developers answer ;) I wish I could vote more than once. Thank you very much!
– javex
Aug 31 '12 at 23:51
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How to set custom location for local installation of npm package?
...fix means you need to add appropriate bin and man paths to $PATH
npm link (info) lets you use a local install as a source for globals
→ stick to the Node way and install locally
ref:
Perfect summary from isaacs
npm FAQ: "node_modules" is the name of my deity's arch-rival, and a Forbidden Word...
UIViewController viewDidLoad vs. viewWillAppear: What is the proper division of labor?
...device even by hitting the home button with background mode set to YES in -Info.plist.
My solution:
-(void) viewWillAppear: (BOOL) animated { [self.tableView reloadData];}
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Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?
...start from reading about processor functions you are using, there are some info, especially about rsqrt (cpu is using internal lookup table with huge approximation, which makes it much simpler to get the result). It may seem, that rsqrt is so much faster than sqrt, that 1 additional mul operation (w...
How are parameters sent in an HTTP POST request?
...d). Your answer is sufficient, while it would be extra nice if it had more info on multipart/form-data. For those interested though, here's a question about it.
– Camilo Martin
Jan 27 '13 at 19:40
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Draw a perfect circle from user's touch
... I might approach the problem.
First, while displaying the user's path as freehand, secretly accumulate a list of point (x, y) samples along with times. You can get both facts from your drag events, wrap them into a simple model object, and pile those up in a mutable array.
You probably want to ta...
What is the difference between “int” and “uint” / “long” and “ulong”?
...nterface if you wish to be CLS-Compliant.
Read the documentation for more information:
int
uint
long
ulong
By the way, there is also short and ushort and byte and sbyte.
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Difference between class and type
...refer to as a variable has a type, and classes are a kind of a type.
More info here: http://docs.oracle.com/javase/specs/jls/se8/html/jls-4.html
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