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Passing multiple error classes to ruby's rescue clause in a DRY fashion
...), Ruby is already equipped with a DRY exception handler mechanism:
puts 'starting up'
begin
case rand(3)
when 0
([] + '')
when 1
(foo)
when 2
(3 / 0)
end
rescue TypeError, NameError => e
puts "oops: #{e.message}"
rescue Exception => e
puts "ouch, #{e}"
end
puts 'don...
How can I split and parse a string in Python?
...as a single separator, and the result will contain no empty strings at the start or end if the string has leading or trailing whitespace".
Hold onto your hats boys, parse on a regular expression:
el@apollo:~/foo$ python
>>> mystring = 'zzzzzzabczzzzzzdefzzzzzzzzzghizzzzzzzzzzzz'
>>&...
How to get the path of a running JAR file?
... "_", ".", and "*". The character "%" is allowed but is interpreted as the start of a special escaped sequence.
...
There are two possible ways in which this decoder could deal with illegal strings. It could either leave illegal characters alone or it could throw an IllegalArgumentExceptio...
Cannot pass null argument when using type hinting
...
Starting from PHP 7.1, nullable types are available, as both function return types and parameters. The type ?T can have values of the specified Type T, or null.
So, your function could look like this:
function foo(?Type $t)...
Learning to write a compiler [closed]
...pilers.iecc.com/crenshaw/] series, it is really nice writeup and is a good starting point.
– TheVillageIdiot
May 31 '10 at 4:35
5
...
Are there any style options for the HTML5 Date picker?
...y: monospace;
overflow: hidden;
padding: 0;
-webkit-padding-start: 1px;
}
input::-webkit-datetime-edit {
-webkit-flex: 1;
-webkit-user-modify: read-only !important;
display: inline-block;
min-width: 0;
overflow: hidden;
}
input::-webkit-datetime-edit-fields-wrapp...
XmlWriter to Write to a String Instead of to a File
...s another way to do it. Particularly if you don't want the UTF8 BOM at the start of your string and you want the text indented:
using (var ms = new MemoryStream())
using (var x = new XmlTextWriter(ms, new UTF8Encoding(false))
{ Formatting = Formatting.Indented })
{
...
What is the purpose of the var keyword and when should I use it (or omit it)?
...on of undesired global properties. Some of the newer browsers have already started rolling support for strict mode. See, for example, my compat table.
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Singletons vs. Application Context in Android?
...ng, but there is no lifecycle of Application. It is created when your app starts (before any of its components are instantiated) and its onCreate() called at that point, and... that is all. It sits there and lives forever, until the process is killed. Just like a singleton. :)
...
Loading Backbone and Underscore using RequireJS
... {
App.Router = new MainRouter();
Backbone.history.start();
}
});
return AppView;
});
I hope I was useful.!
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