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Where does 'Hello world' come from?
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From http://en.wikipedia.org/wiki/Hello_world_program:
The first known instance of the usage
of the words "hello" and "world"
together in computer literature
occurred earlier, in Kernighan's 1972
Tutorial Introduction ...
What is Ruby's double-colon `::`?
...nstant: 1
puts Foo::MR_COUNT # this is the local constant: 2
Taken from http://www.tutorialspoint.com/ruby/ruby_operators.htm
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Changing the child element's CSS when the parent is hovered
...seudo-classes" defined by CSS2 (here's the spec). Here's a quick example: http://jsfiddle.net/5FLr4/. it works for me.
– Lee
Feb 21 '11 at 4:32
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Tool to generate JSON schema from JSON data [closed]
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You might be looking for this:
http://www.jsonschema.net
It is an online tool that can automatically generate JSON schema from JSON string. And you can edit the schema easily.
sha...
What are the rules for evaluation order in Java?
... blog article describing why these rules are sensible in Java and C# here: https://ericlippert.com/2019/01/18/indexer-error-cases/)
Precedence and associativity only tell us that the assignment of zero to b must happen before the assignment to a[b], because the assignment of zero computes the value...
Binary search (bisection) in Python
...t be worth mentioning that the bisect docs now provide searching examples:
http://docs.python.org/library/bisect.html#searching-sorted-lists
(Raising ValueError instead of returning -1 or None is more pythonic – list.index() does it, for example. But of course you can adapt the examples to your n...
socket.shutdown vs socket.close
...l might make the kernel discard all outgoing buffers anyway.
According to
http://blog.netherlabs.nl/articles/2009/01/18/the-ultimate-so_linger-page-or-why-is-my-tcp-not-reliable
one needs to wait between the shutdown and the close until read returns 0.
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Hidden features of Android development?
...e's no documentation for them. This is the best information I could find:
http://escomic.net/217
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answered Mar 24 '10 at 17:12
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What does Connect.js methodOverride do?
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And the source should be http://www.senchalabs.org/connect/methodOverride.html
– ilyaigpetrov
May 21 '13 at 6:45
add a commen...
Fade In Fade Out Android Animation in Java
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<?xml version="1.0" encoding="utf-8"?>
<alpha xmlns:android="http://schemas.android.com/apk/res/android"
android:fromAlpha="1.0"
android:toAlpha="0.0"
android:duration="1000"
android:repeatCount="infinite"
android:repeatMode="reverse"
/>
Quick and ea...