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Colors with unix command “watch”?
Some commands that I use display colors, but when I use them with watch the colors disappears:
6 Answers
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Rails: Custom text for rails form_for label
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Just go to the above link and type in the method you are looking for in the search box. label is listed under ActionView::Helpers::FormBuilder and ActionView::Helpers::FormHelper. ActionView::Helpers::FormBuilder is the one we are interested in, but t...
What's better at freeing memory with PHP: unset() or $var = null
...is garbage-collected.) (bug 33595)
The question "difference between unset and = null" details some differences:
unset($a) also removes $a from the symbol table; for example:
$a = str_repeat('hello world ', 100);
unset($a);
var_dump($a);
Outputs:
Notice: Undefined variable: a in xxx
NULL
But ...
Why does Haskell's “do nothing” function, id, consume tons of memory?
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We know the type of id,
id :: a -> a
And when we specialize this for id id, the left copy of id has type:
id :: (a -> a) -> (a -> a)
And then when you specialize this again for the leftmost id in id id id, you get:
id :: ((a -> a) -> (a -> ...
ReactJS: Modeling Bi-Directional Infinite Scrolling
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This is a mix of an infinite table and an infinite scroll scenario. The best abstraction I found for this is the following:
Overview
Make a <List> component that takes an array of all children. Since we do not render them, it's really cheap to just all...
How to .gitignore files recursively
...o this answer. It also works for me in Windows 7 using Sourcetree 1.6.12.0 and the version of git that it installs (1.8.4-preview20130916).
To gitignore every file and folder under a directory recursively:
MyPrject/WebApp/Scripts/special/**
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How to change the Push and Pop animations in a navigation based app
I have a navigation based application and I want to change the animation of the push and pop animations. How would I do that?
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What is a faster alternative to Python's http.server (or SimpleHTTPServer)?
...is a great way of serve the contents of the current directory from the command line:
13 Answers
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What is the use of the pipe symbol in YAML?
I am new to yaml, and I have a question about the pipe symbol (|) used for multiple lines. Does YAML have any syntax like the one below?
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Possible to access the index in a Hash each loop?
...me thing as (key,value) = arr, putting the first value (the key) into key, and the second into value.
– rampion
Jan 18 '10 at 2:45
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