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How do I generate random numbers in Dart?
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11
A secure random API was just added to dart:math
new Random.secure()
dart:math
Random ...
How to find out the MySQL root password
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Nice instruction flow especially: then run mysql in a new terminal
– Mohammed Subhi Sheikh Quroush
Mar 27 '15 at 7:49
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How to declare global variables in Android?
...em you are encountering is how to save state across several Activities and all parts of your application. A static variable (for instance, a singleton) is a common Java way of achieving this. I have found however, that a more elegant way in Android is to associate your state with the Application con...
Is HTML considered a programming language? [closed]
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No, HTML is not a programming language. The "M" stands for "Markup". Generally, a programming language allows you to describe some sort of process of doing something, whereas HTML is a way of adding context and structure to text.
If you're looking to add more alphabet soup to your CV, don't classi...
is_file or file_exists in PHP
...o 10k. The result is:
when the file exists:
is_file x 10000 1.5651218891144 seconds
file_exists x 10000 1.5016479492188 seconds
is_readable x 10000 3.7882499694824 seconds
when the file does not exist:
is_file x 10000 0.23920488357544 seconds
file_exists x 10000 0.22103786468506 seconds ...
Add more than one parameter in Twig path
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answered Jan 17 '13 at 11:39
Tac TaceloskyTac Tacelosky
2,40433 gold badges2020 silver badges1919 bronze badges
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John Carmack's Unusual Fast Inverse Square Root (Quake III)
...s derived is something of a mystery.
To quote Gary Tarolli:
Which actually is doing a floating
point computation in integer - it took
a long time to figure out how and why
this works, and I can't remember the
details anymore.
A slightly better constant, developed by an expert mathemat...
Python read-only property
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Generally, Python programs should be written with the assumption that all users are consenting adults, and thus are responsible for using things correctly themselves. However, in the rare instance where it just does not make sens...
How do you write a migration to rename an ActiveRecord model and its table in Rails?
...ble_name
end
end
I had to go and rename the model declaration file manually.
Edit:
In Rails 3.1 & 4, ActiveRecord::Migration::CommandRecorder knows how to reverse rename_table migrations, so you can do this:
class RenameOldTableToNewTable < ActiveRecord::Migration
def change
rena...
bool to int conversion
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answered Mar 20 '11 at 16:32
NawazNawaz
316k9999 gold badges611611 silver badges799799 bronze badges
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