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Why can't I use switch statement on a String?
...switch(String) is that it wouldn't meet the performance guarantees expects from switch() statements. They didn't want to "mislead" developers. Frankly I don't think they should guarantee the performance of switch() to begin with.
– Gili
Dec 22 '08 at 22:15
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Remove the bottom divider of an android ListView
...4.2. I can run literally the same app across my many test devices (ranging from 2.3.7 all the way up until 4.4.2) and KitKat is the only one where this seems to have no effect... Any ideas? I'm not adding a footer or header to my ListView and I've reproduced this on two devices (Nexus 5 and HTC One ...
How does the following LINQ statement work?
...lled Immediate Query Execution, which is useful for caching query results. From Suprotim Agarwal again:
To force immediate execution of a query that does not produce a singleton value, you can call the ToList(), ToDictionary(), ToArray(), Count(), Average() or Max() method on a query or query v...
Observer Design Pattern vs “Listeners”
...tener" to describe the role of the ConcreteObserver) might differ slightly from that described in the Design Patterns book.
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C# short/long/int literal format?
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From §2.4.4.2 Integer literals:
The type of an integer literal is determined as follows:
If the literal has no suffix, it has the first of these types in which its value can be represented: int, uint, long, ulong.
If the l...
What is the exact meaning of IFS=$'\n'?
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From http://www.linuxtopia.org/online_books/bash_guide_for_beginners/sect_03_03.html:
Words in the form "$'STRING'" are
treated in a special way. The word
expands to a string, with
backslash-escaped characters repla...
The thread has exited with code 0 (0x0) with no unhandled exception
...n.microsoft.com/en-us/library/bs4c1wda.aspx
In addition to program out from your application, the Output window
can display the information about:
Modules the debugger has loaded or unloaded.
Exceptions that are thrown.
Processes that exit.
Threads that exit.
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An “and” operator for an “if” statement in Bash
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If STATUS is empty, the code from @HTF would have failed on -ne: unary operator expected. In your case, it will fail on integer expression expected, won't it ?
– Julien Vivenot
Nov 16 '12 at 0:28
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How do you discover model attributes in Rails?
...nt?
object.attributes
For instance methods without inheritance from super class
Model.instance_methods(false)
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How to convert a ruby hash object to JSON?
...ndefined method `to_json' for {:make=>"bmw", :year=>"2003"}:Hash
# from (irb):11
# from /usr/bin/irb:12:in `<main>'
require 'json'
# => true
car.to_json
# => "{"make":"bmw","year":"2003"}"
As you can see, requiring json has magically brought method to_json to our Hash.
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