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`if __name__ == '__main__'` equivalent in Ruby
...m the Ruby I've seen out in the wild (granted, not a ton), this is not a standard Ruby design pattern. Modules and scripts are supposed to stay separate, so I wouldn't be surprised if there isn't really a good, clean way of doing this.
EDIT: Found it.
if __FILE__ == $0
foo()
bar()
end
Bu...
What does the constant 0.0039215689 represent?
...was the multiply-by-reciprocal optimization. So I checked in my calculator and sure enough - I guessed right.
– Mysticial
Mar 24 '14 at 22:08
...
UITableView load more when scrolling to bottom like Facebook application
...'re at in the cellForRowAtIndexPath: method. This method is easy to understand and to implement :
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
// Classic start method
static NSString *cellIdentifier = @"MyCell";
MyCell *cell = ...
What do the plus and minus signs mean in Objective-C next to a method?
In Objective-C, I would like to know what the + and - signs next to a method definition mean.
4 Answers
...
Simplest way to do a fire and forget method in c# 4.0
... simpler with:
#pragma warning disable 4014
Task.Run(() =>
{
MyFireAndForgetMethod();
}).ConfigureAwait(false);
#pragma warning restore 4014
The pragma is to disable the warning that tells you you're running this Task as fire and forget.
If the method inside the curly braces returns a Tas...
How to get HTML 5 input type=“date” working in Firefox and/or IE 10
.../modernizr-custom.js"></script>
<!-- polyfiller file to detect and load polyfills -->
<script src="http://cdn.jsdelivr.net/webshim/1.12.4/polyfiller.js"></script>
<script>
webshims.setOptions('waitReady', false);
webshims.setOptions('forms-ext', {types: 'date'});...
Testing whether a value is odd or even
I decided to create simple isEven and isOdd function with a very simple algorithm:
22 Answers
...
Relative imports in Python 3
...
unfortunately, this module needs to be inside the package, and it also
needs to be runnable as a script, sometimes. Any idea how I could
achieve that?
It's quite common to have a layout like this...
main.py
mypackage/
__init__.py
mymodule.py
myothermodule.py
...w...
How to merge 2 List and removing duplicate values from it in C#
I have two lists List that I need to combine in third list and remove duplicate values from that lists
5 Answers
...
How can I check if a Perl array contains a particular value?
... can also add more (unique) params to the list:
$params{$newparam} = 1;
And later get a list of (unique) params back:
@badparams = keys %params;
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