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Array.push() if does not exist?
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From the jQuery link: Note that this only works on arrays of DOM elements, not strings or numbers. Also, indexOf doesn't work in IE8 :(
– dmathisen
Jul 1 '13 at 18:24
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CSS @media print issues with background-color;
... Works great in normal browsers, but not in IE, even with the suggestion from @evami.
– woz
Oct 1 '13 at 13:16
@woz ...
Check if multiple strings exist in another string
...y(x in a_string for x in matches):
Similarly to check if all the strings from the list are found, use all instead of any.
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New line in text area
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I've found String.fromCharCode(13, 10) helpful when using view engines.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/fromCharCode
This creates a string with the actual newline characters in it and s...
Change priorityQueue to max priorityqueue
... lambda function will take two Integers as input parameters, subtract them from each other, and return the arithmetic result. The lambda function implements the Functional Interface, Comparator<T>. (This is used in place, as opposed to an anonymous class or a discrete implementation.)
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What characters are valid for JavaScript variable names?
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From the ECMAScript specification in section 7.6 Identifier Names and Identifiers, a valid identifier is defined as:
Identifier ::
IdentifierName but not ReservedWord
IdentifierName ::
IdentifierStart
Identif...
How to change Rails 3 server default port in develoment?
...will automatically be run when you run "rails" with Rails 3 gems installed from the root of your application.
APP_PATH = File.expand_path('../../config/application', __FILE__)
require File.expand_path('../../config/boot', __FILE__)
# THIS IS NEW:
require "rails/commands/server"
module Rails
cl...
.htaccess - how to force “www.” in a generic way?
...ilar price to current norms then the personal web will look very different from a DNS point of view.
– Chris
Feb 4 '16 at 21:43
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Python add item to the tuple
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From tuple to list to tuple :
a = ('2',)
b = 'b'
l = list(a)
l.append(b)
tuple(l)
Or with a longer list of items to append
a = ('2',)
items = ['o', 'k', 'd', 'o']
l = list(a)
for x in items:
l.append(x)
print tup...
What’s the best way to check if a file exists in C++? (cross platform)
...ING BOOST, since it's an overkill, however it wasn't trivial to write that from what is provided here, so I just posted an answer. Check it please.
– gsamaras
Jul 28 '16 at 6:42
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