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How to customize a requirements.txt for multiple environments?
... @SohamNavadiya That is not what I asked. Let's say I have a base.txt with 3 packages in it, and dev.txt with 1 package in it (and -r base.txt). ALL 4 packages are installed in my virtual environment. I want to now install the 5th package and list it in base, NOT in dev, how do I do it...
How to sum array of numbers in Ruby?
...t(0){|sum,x| sum + x }
See Ruby's Enumerable Documentation
(note: the 0 base case is needed so that 0 will be returned on an empty array instead of nil)
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Get css top value as number not as string?
...adix too: parseInt($('#elem').css('top'), 10); Forces it to be parsed as base 10, otherwise strings beginning with '0' will be parsed in base 8.
– Ben
Dec 27 '08 at 17:39
3
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The definitive guide to form-based website authentication [closed]
...or general guidelines on how to solve variations on common problems. "Form based authentication for websites" should be a fine topic for such an experiment.
...
Why is January month 0 in Java Calendar?
...lendar and find something better.
One point which is in favour of using 0-based indexes is that it makes things like "arrays of names" easier:
// I "know" there are 12 months
String[] monthNames = new String[12]; // and populate...
String name = monthNames[calendar.get(Calendar.MONTH)];
Of cours...
How do I get currency exchange rates via an API such as Google Finance? [closed]
...Exchange Rates API
Free for personal use (1000 hits per month)
Changing "base" (from "USD") is not allowed in Free account
Requires registration.
Request: http://openexchangerates.org/latest.json
Response:
<!-- language: lang-js -->
{
"disclaimer": "This data is collected from ...
How to overload __init__ method based on argument type?
...or you to do with the datatype it gave you. The problem with isinstance(x, basestring) is that there is no way for the caller to tell you, for instance, that even though the type is not a basestring, you should treat it as a string (and not another sequence.) And perhaps the caller would like to use...
Generate random 5 characters string
...h (array_rand($seed, 5) as $k) $rand .= $seed[$k];
Example
And, for one based on the clock (fewer collisions since it's incremental):
function incrementalHash($len = 5){
$charset = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
$base = strlen($charset);
$result = '';
...
Rails 3: “field-with-errors” wrapper changes the page appearance. How to avoid this?
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You should override ActionView::Base.field_error_proc. It's currently defined as this within ActionView::Base:
@@field_error_proc = Proc.new{ |html_tag, instance|
"<div class=\"field_with_errors\">#{html_tag}</div>".html_safe
}
You can ...
What order are the Junit @Before/@After called?
I have an Integration Test Suite. I have a IntegrationTestBase class for all my tests to extend. This base class has a @Before ( public void setUp() ) and @After ( public void tearDown() ) method to establish API and DB connections. What I've been doing is just overriding those two methods in ...