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How to duplicate a whole line in Vim?
...the file.
:+,$g/^\s*class\s\+\i\+/t. will copy all subsequent lines of the form class xxx right after the cursor.
Reference: :help range, :help :t, :help :g, :help :m and :help :v
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Intro to GPU programming [closed]
...has this huge massively parallelized supercomputer on their desktop in the form of a graphics card GPU.
9 Answers
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SQL query return data from multiple tables
... -> color varchar(15), paint varchar(10));
Query OK, 0 rows affected (0.01 sec)
mysql> show columns from colors;
+-------+-------------+------+-----+---------+----------------+
| Field | Type | Null | Key | Default | Extra |
+-------+-------------+------+-----+---------+------...
What's default HTML/CSS link color?
...of hyperlinks, among other things, are on track for standardization in the form of guidelines for expected default rendering behavior. In particular, taken from the section Phrasing content, the recommended default colors for unvisited and visited hyperlinks are the following:
:link { color: #0000E...
How to pass parameters in $ajax POST?
...y the way that it does for GET data. Jquery expects your data to be pre-formated to append to the request body to be sent directly across the wire.
A solution is to use the jQuery.param function to build a query string that most scripts that process POST requests expect.
$.ajax({
url: 'supe...
为AppInventor2开发自己的拓展(Extension) - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
...ic Clipboard(ComponentContainer container) { super(container.$form()); this.container = container; context = (Context) container.$context(); Log.d(LOG_TAG, "Clipboard Created"); } @SimpleProperty(category = PropertyC...
How can I detect if a selector returns null?
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I have exactly the same code in my standard toolkit. This form is equivalent to object.presence in Rails and super useful in the fallthrough construct that @CSharp describes.
– inopinatus
Aug 27 '15 at 23:12
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insert vs emplace vs operator[] in c++ map
...variants like using value_type or make_pair . While there is a lot of information about all of them and questions about particular cases, I still can't understand the big picture.
So, my two questions are:
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How to execute a Ruby script in Terminal?
...er1/program/test.rb
Open terminal
cd /home/User1/program
ruby test.rb
format or test.rb
class Test
def initialize
puts "I love India"
end
end
# initialize object
Test.new
output
I love India
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Convert JSON to Map
... FWTW, while @obe6's answer is technically correct, you can use shorter form too: Map<String,Object> result = mapper.readValue(source, Map.class).
– StaxMan
Nov 28 '18 at 6:40
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