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How can I wrap text to some length in Vim?
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Once you set 'textwidth', you can select text with visual mode and press gq to wrap it nicely (you can also use Q on some older/legacy configurations).
A few useful tips:
gqq (wrap the current line)
gq} (wrap this 'paragraph', i.e. until the next blank line...
Getting URL hash location, and using it in jQuery
... the # symbol at the beginning.
Actually you don't need the :first pseudo-selector since you are using the ID selector, is assumed that IDs are unique within the DOM.
In case you want to get the hash from an URL string, you can use the String.substring method:
var url = "http://example.com/file.h...
How do I remove background-image in css?
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Just use #a {}. Don't use element types in selectors unless necessary.
– Jezen Thomas
Jul 18 '12 at 14:51
3
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Why should I care that Java doesn't have reified generics?
... There is absolutely no need for reification to be able to do that. Method selection is done at compile time when the compile-time type information is available.
– Tom Hawtin - tackline
Dec 18 '09 at 13:25
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Method overloading in Objective-C?
... @RaheelSadiq It isn't overloading because the method names (In ObjC: 'selectors') are different. Being different, neither one is considered 'overloaded'. If writeToFile:from: were defined twice, with only the parameter types being different, then that would be overloading. As stated though, t...
How do I find out with jQuery if an element is being animated?
...elem).is(':animated') ) {...}
More info: https://api.jquery.com/animated-selector/
Or:
$(elem)
.css('overflow' ,'hidden')
.animate({/*options*/}, function(){
// Callback function
$(this).css('overflow', 'auto');
};
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Simultaneously merge multiple data.frames in a list
... c 3 5 7
We don't have to take all columns, we can use select helpers from tidyselect and
choose (as we start from .x all .x columns are kept):
eat(x, list(y,z), starts_with("l") ,.by = "i")
# # A tibble: 3 x 3
# i j l
# <chr> <int> <int>
# 1 a ...
What's the difference between ISO 8601 and RFC 3339 Date Formats?
...fine. (This is not really different to what RFC3339 itself does in making selective reference to ISO8601.) See also the NOTE in section 5.6.
– Graham Klyne
Feb 4 '19 at 10:14
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How to get execution time in rails console?
I want compare time of execution Post.all and SELECT * FROM posts (or some other statements) How can i get execution time of Post.all ?
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Enable SQL Server Broker taking too long
...rvice Broker enabled or disabled, then query sys.databases, for instance:
SELECT
name, database_id, is_broker_enabled
FROM sys.databases
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