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What is boxing and unboxing and what are the trade offs?
...be stored in a Collection, only objects. But when you want to get it back out of the Collection you may want to get the value as an int and not an Integer so you would unbox it.
Boxing and unboxing is not inherently bad, but it is a tradeoff. Depending on the language implementation, it can be sl...
Media query to detect if device is touchscreen
... media query draft.
The ‘pointer’ media feature is used to query about the presence and
accuracy of a pointing device such as a mouse. If a device has
multiple input mechanisms, it is recommended that the UA reports the
characteristics of the least capable pointing device of the primar...
What is the use of the pipe symbol in YAML?
I am new to yaml, and I have a question about the pipe symbol (|) used for multiple lines. Does YAML have any syntax like the one below?
...
How to tell git to use the correct identity (name and email) for a given project?
... same project, notably in order to switch between branches more easily without having to recompile everything. Maybe it's just a bad svn habit. Thanks.
– Martin Jambon
May 24 '11 at 20:50
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How to make layout with View fill the remaining space?
I'm designing my application UI. I need a layout looks like this:
12 Answers
12
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How to change href of tag on button click through javascript
...
Without having a href, the click will reload the current page, so you need something like this:
<a href="#" onclick="f1()">jhhghj</a>
Or prevent the scroll like this:
<a href="#" onclick="f1(); return false;"&g...
How to use background thread in swift?
...{
print("This is run on the main queue, after the previous code in outer block")
}
}
Swift 1.2 through 2.3
let qualityOfServiceClass = QOS_CLASS_BACKGROUND
let backgroundQueue = dispatch_get_global_queue(qualityOfServiceClass, 0)
dispatch_async(backgroundQueue, {
print("This is ru...
Path to MSBuild
...nstance when I pasted into the answer. Fixed now, thanks for pointing that out.
– yoyo
May 17 '16 at 16:56
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backbone.js - events, knowing what was clicked
...f I'm correct, this works with jquery events (the one's the poster asked about). Note however that events triggered through backbone's trigger() function does not carry this information (it instead gives you the arguments used when calling trigger())
– Jens Alm
...
Undefined reference to static constexpr char[]
...++17 fixes this problem for constexpr static member variables requiring an out-of-line definition if it was odr-used. See the second half of this answer for pre-C++17 details.
Proposal P0386 Inline Variables introduces the ability to apply the inline specifier to variables. In particular to this ca...
