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Unpacking, extended unpacking and nested extended unpacking
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How do I run multiple background commands in bash in a single line?
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335
Exactly how do you want them to run? If you want them to be started in the background and run ...
How do I get whole and fractional parts from double in JSP/Java?
...I get whole and fractional parts from double in JSP/Java ? If the value is 3.25 then I want to get fractional =.25 , whole = 3
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How to handle many-to-many relationships in a RESTful API?
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136
In a RESTful interface, you can return documents that describe the relationships between resour...
INSERT IF NOT EXISTS ELSE UPDATE?
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330
Have a look at http://sqlite.org/lang_conflict.html.
You want something like:
insert or repl...
How to Create Grid/Tile View?
... of jQuery plugin to create masonry layout.
Alternatively, you can use CSS3 columns. But for now jQuery based plugin is the best choice since there is compatibility issue with CSS3 column.
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What's the magic of “-” (a dash) in command-line parameters?
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edited Nov 8 '11 at 3:15
answered Nov 8 '11 at 3:09
p...
When to use ' (or quote) in Lisp?
... passed to it are evaluated. This means you can write this:
(* (+ a 2)
3)
Which in turn evaluates (+ a 2), by evaluating a and 2. The value of the symbol a is looked up in the current variable binding set, and then replaced. Say a is currently bound to the value 3:
(let ((a 3))
(* (+ a 2)
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How do I render a partial of a different format in Rails?
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Beginning with Rails 3.2.3, when calling render :partial (only works outside of the respond_to block).
render formats: [ :html ]
instead of
render format: 'html'
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Elements order in a “for (… in …)” loop
...d make it clear what happens:
var obj = {
"first":"first",
"2":"2",
"34":"34",
"1":"1",
"second":"second"
};
for (var i in obj) { console.log(i); };
// Order listed:
// "1"
// "2"
// "34"
// "first"
// "second"
The technicalities of this are less important than the fact that this may chan...