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Generate list of all possible permutations of a string
...t? (referring to line 1 and 3 in the pseudocode).
– Håvard Geithus
May 26 '12 at 17:25
6
What is...
How to get a random number in Ruby
...ust need a random float, just call rand with no arguments.
As Marc-André Lafortune mentions in his answer below (go upvote it), Ruby 1.9.2 has its own Random class (that Marc-André himself helped to debug, hence the 1.9.2 target for that feature).
For instance, in this game where you need to ...
Convert a String representation of a Dictionary to a dictionary?
How can I convert the str representation of a dict , such as the following string, into a dict ?
9 Answers
...
C# 4.0: Can I use a TimeSpan as an optional parameter with a default value?
...efaultTimespan) and public Foo(Timespan ts)
– johan mårtensson
Nov 3 '17 at 11:39
add a comm...
Android: How to enable/disable option menu item on button click?
..., disable, or
enable menu items depending on the
current state of your application.
E.g.
@Override
public boolean onPrepareOptionsMenu (Menu menu) {
if (isFinalized) {
menu.getItem(1).setEnabled(false);
// You can also use something like:
// menu.findItem(R.id.exa...
Why does !{}[true] evaluate to true in JavaScript?
... answered Oct 31 '13 at 9:43
Frédéric HamidiFrédéric Hamidi
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iPhone UITextField - Change placeholder text color
...
its also worth wrapping this in a respondsToSelector call - as without it this code will crash on pre 6.0 deployment target ( unrecognized selector sent to instance)
– gheese
Mar 7 '13 at 18:49
...
Decode HTML entities in Python string?
...this method doesn't seem to escape characters like "’" on google app engine, though it works locally on python2.6. It does still decode entities (like ") at least
– gfxmonk
Jul 10 '10 at 14:40
...
PostgreSQL - how to quickly drop a user with existing privileges
I'm trying to make restricted DB users for the app I'm working on, and I want to drop the Postgres database user I'm using for experimenting. Is there any way to drop the user without having to revoke all his rights manually first, or revoke all the grants a user has?
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Last segment of URL in jquery
... answered Jan 21 '11 at 11:18
Frédéric HamidiFrédéric Hamidi
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...