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Generating a UUID in Postgres for Insert statement?
...apt-get install postgresql-contrib has successfully run. Then I had to run psql -d dbname -f SHAREDIR/contrib/module.sql and now it works!!! select uuid_generate_v1(); returns 1 now now. Thanks so much!
– anon58192932
Sep 29 '12 at 22:13
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Interfaces with static fields in java for sharing 'constants'
...that the new syntax would be respected by all your index implementations.
PS: The inspiration for this example is drawn from the Neo4j spatial code.
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Storing money in a decimal column - what precision and scale?
... for storage. Accountants generally seem to favour four decimal places.
PS Avoid SQL Server's MONEY data type because it has serious issues with accuracy when rounding, among other considerations such as portability etc. See Aaron Bertrand's blog.
Microsoft and language designers chose banker'...
Rotating a point about another point (2D)
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This is the answer by Nils Pipenbrinck, but implemented in c# fiddle.
https://dotnetfiddle.net/btmjlG
using System;
public class Program
{
public static void Main()
{
var angle = 180 * Math.PI/180;
Console.WriteLine(rotate_point(0,0,angle,new Point{X=10, Y=10}).Print()...
Check if a string contains a string in C++
...and many other staff.You can compare std::string to the string api in Java.PS:Also I do think contains is much more elegant than find to check if a string contains another string.
– Geng Jiawen
Jun 23 '14 at 8:01
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Is double square brackets [[ ]] preferable over single square brackets [ ] in Bash?
...ke = and =~.
In Bashese: [ is a built-in command, and [[ is a keyword: https://askubuntu.com/questions/445749/whats-the-difference-between-shell-builtin-and-shell-keyword
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[[ a < b ]]: lexicographical comparison
[ a \< b ]: Same as above. \ required or else does redirection like for an...
Limitations of Intel Assembly Syntax Compared to AT&T [closed]
To me, Intel syntax is much easier to read. If I go traipsing through assembly forest concentrating only on Intel syntax, will I miss anything? Is there any reason I would want to switch to AT&T (outside of being able to read others' AT&T assembly)? My first clue is that gdb uses AT&T by default.
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Why is using 'eval' a bad practice?
...e world are just strings. I'm unclear on what you're talking about. Perhaps you should provide a more complete blog post and link to it here.
– S.Lott
Jan 9 '12 at 0:01
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What are the differences between segment trees, interval trees, binary indexed trees and range trees
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@ps06756 search algorithms often have a runtime of log(n) where n is the inputsize but can yield results that are linear in n which can't be done in logarithmic time (outputting n numbers in log(n) time is not possible).
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How to make the overflow CSS property work with hidden as value
...<div>
</div>
Why? I have no idea but it worked for me. See https://medium.com/@crrollyson/overflow-hidden-not-working-check-the-child-element-c33ac0c4f565 (ignore the sniping at stackoverflow!)
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