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Printing 1 to 1000 without loop or conditionals
...es, blowing up the code size, right? You might as well generate the output string itself instead of a thousand printfs.
– Darius Bacon
Jan 3 '11 at 8:44
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UITableView : viewForHeaderInSection: not called during reloadData:
... automatically set to the all-caps version of the titleForHeaderInSection: string. To prevent this behavior, either don't implement titleForHeaderInSection: or use a custom label instead of the inherited textLabel.
– Ortwin Gentz
Mar 21 '18 at 15:04
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Way to go from recursion to iteration
... needed.
...
}
Note: if you have more than one recursive call inside and you want to preserve the order of the calls, you have to add them in the reverse order to the stack:
foo(first);
foo(second);
has to be replaced by
stack.push(second);
stack.push(first);
Edit: The article Stacks and Rec...
angular ng-repeat in reverse
...se, or making it more lenient to allow the reversal of more things such as strings.
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How to tell when UITableView has completed ReloadData?
...nvestigation, I find that the table view sends tableView:numberOfSections: and tableView:numberOfRowsInSection: to its data source before returning from reloadData. If the delegate implements tableView:heightForRowAtIndexPath:, the table view also sends that (for each row) before returning from rel...
Understanding the transclude option of directive definition?
...imes it's desirable to be able to pass in an entire template rather than a string or an object. Let's say that we want to create a "dialog box" component. The dialog box should be able to wrap any arbitrary content.
To do this, we need to use the transclude option. Refer to the example below.
sc...
OO Design in Rails: Where to put stuff
...ails boostrap.
/config/initializer/config.rb
/config/initializer/core_ext/string.rb
/config/initializer/core_ext/array.rb
For reusable code fragments, I often create (micro)plugins so that I can reuse them in other projects.
Helper files usually holds helper methods and sometimes classes when th...
Windows shell command to get the full path to the current directory?
... the dynamic one described below:
%CD% - expands to the current directory string.
%DATE% - expands to current date using same format as DATE command.
%TIME% - expands to current time using same format as TIME command.
%RANDOM% - expands to a random decimal number between 0 and 32767.
%ERRORLEVE...
invalid multibyte char (US-ASCII) with Rails and Ruby 1.9
...ncoding, unless you say otherwise. If you place any non-ASCII content in a String literal without changing the source Encoding, Ruby will die with that error. Thanks guys, I finally got it :-)
– bass-t
Aug 13 '12 at 9:58
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What does “while True” mean in Python?
...s the same as saying while(true)
Anything that is not FALSE, 0, an emptry string "", null, or undefined is likely to be evaluated to true.
When I first started programming I used to do things like if(foo == true), I didn't realise that was virtually the same thing as if(foo).
So when you say whi...