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What's the difference between parenthesis $() and curly bracket ${} syntax in Makefile?
Is there any differences in invoking variables with syntax ${var} and $(var) ? For instance, in the way the variable will be expanded or anything?
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How can I remove a style added with .css() function?
I'm changing CSS with jQuery and I wish to remove the styling I'm adding based on the input value:
21 Answers
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Can Objective-C switch on NSString?
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Unfortunately they cannot. This is one of the best and most sought after utilizations of switch statements, so hopefully they hop on the (now) Java (and others) bandwagon!
If you are doing card names, perhaps assign each card object an integer value and switch on that. Or pe...
Flex-box: Align last row to grid
...d to pollute your HTML. Here is a codepen showing it: http://codepen.io/DanAndreasson/pen/ZQXLXj
.grid {
display: flex;
flex-flow: row wrap;
justify-content: space-between;
}
.grid::after {
content: "";
flex: auto;
}
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What is the perfect counterpart in Python for “while not EOF”
...line in openfileobject:
do_something()
File objects are iterable and yield lines until EOF. Using the file object as an iterable uses a buffer to ensure performant reads.
You can do the same with the stdin (no need to use raw_input():
import sys
for line in sys.stdin:
do_something(...
.NET unique object identifier
...ing (GUID, integer, whatever). That would add a certain amount of overhead and complexity, however.
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Trouble comparing time with RSpec
I am using Ruby on Rails 4 and the rspec-rails gem 2.14. For a my object I would like to compare the current time with the updated_at object attribute after a controller action run, but I am in trouble since the spec does not pass. That is, given the following is the spec code:
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Is there a sleep function in JavaScript? [duplicate]
... answered Jul 17 '09 at 3:18
AndromedaAndromeda
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Change the image source on rollover using jQuery
I have a few images and their rollover images. Using jQuery, I want to show/hide the rollover image when the onmousemove/onmouseout event happen. All my image names follow the same pattern, like this:
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JavaScript equivalent of PHP's in_array()
Is there a way in JavaScript to compare values from one array and see if it is in another array?
20 Answers
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