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Seeding the random number generator in Javascript
...d.
Thankfully, hash functions are very good at generating seeds for PRNGs from short strings. A good hash function will generate very different results even when two strings are similar. Here's an example based on MurmurHash3's mixing function:
function xmur3(str) {
for(var i = 0, h = 17790337...
Remove all the elements that occur in one list from another
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This will also remove duplicates from l1, which may be an undesired side effect.
– kindall
Nov 18 '10 at 4:43
39
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Pull all commits from a branch, push specified commits to another
...think you're looking for is a 'cherry pick'. That is, take a single commit from the middle of one branch and add it to another:
A-----B------C
\
\
D
becomes
A-----B------C
\
\
D-----C'
This, of course, can be done with the git cherry-pick command.
The problem with this commit is t...
Django removing object from ManyToMany relationship
How would I delete an object from a Many-to-Many relationship without removing the actual object?
3 Answers
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Java: difference between strong/soft/weak/phantom reference
...is useful only to know exactly when an object has been effectively removed from memory: normally they are used to fix weird finalize() revival/resurrection behavior, since they actually do not return the object itself but only help in keeping track of their memory presence.
Weak Reference Objects a...
Best design for a changelog / auditing database table? [closed]
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In the project I'm working on, audit log also started from the very minimalistic design, like the one you described:
event ID
event date/time
event type
user ID
description
The idea was the same: to keep things simple.
However, it quickly became obvious that this minimalist...
How is set() implemented?
...ce code for set which, according to Achim Domma, is mostly a cut-and-paste from the dict implementation.
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How can I solve a connection pool problem between ASP.NET and SQL Server?
...n();
someCall(connection);
}
When your function returns a connection from a class method make sure you cache it locally and call its Close method. You'll leak a connection using this code for example:
var command = new OleDbCommand(someUpdateQuery, getConnection());
result = command.ExecuteNo...
How to download/checkout a project from Google Code in Windows?
How do I download a ZIP file of an entire project from Google Code when there are no prepared downloads available?
6 Answe...
How do I import an SQL file using the command line in MySQL?
I have a .sql file with an export from phpMyAdmin . I want to import it into a different server using the command line.
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