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What is difference between instantiating an object using new vs. without
... Time in local scope, generally on the stack, which will be destroyed when its scope ends.
By contrast:
Time* t = new Time(12, 0, 0);
... allocates a block of memory by calling either ::operator new() or Time::operator new(), and subsequently calls Time::Time() with this set to an address within...
Auto Resize Image in CSS FlexBox Layout and keeping Aspect Ratio?
...
img {max-width:100%;} is one way of doing this. Just add it to your CSS code.
http://jsfiddle.net/89dtxt6s/
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an htop-like tool to display disk activity in linux [closed]
...m looking for a Linux command-line tool that would report the disk IO activity. Something similar to htop would be really cool. Has someone heard of something like that?
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google chrome extension :: console.log() from background page?
...le.log('something'); from the popup page, or any script included off that it works fine.
11 Answers
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RGB to hex and hex to RGB
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edited Jan 3 at 15:36
answered Apr 11 '11 at 16:04
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Example for sync.WaitGroup correct?
Is this example usage of sync.WaitGroup correct? It gives the expected result, but I am unsure about the wg.Add(4) and the position of wg.Done() . Does it make sense to add the four goroutines at once with wg.Add() ?
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How and where are Annotations used in Java?
...bjects. Meta-objects are classes, fields and methods. Asking an object for its meta-object (e.g. anObj.getClass() ) is called introspection. The introspection can go further and we can ask a meta-object what are its annotations (e.g. aClass.getAnnotations). Introspection and annotations belong to wh...
What is the difference between an int and a long in C++?
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It is implementation dependent.
For example, under Windows they are the same, but for example on Alpha systems a long was 64 bits whereas an int was 32 bits. This article covers the rules for the Intel C++ compiler on var...
PHP: Return all dates between two dates in an array [duplicate]
...P1D'),
new DateTime('2010-10-05')
);
Which should get you an array with DateTime objects.
To iterate
foreach ($period as $key => $value) {
//$value->format('Y-m-d')
}
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Connection timeout for SQL server
... the timeout value to 0, you are specifying that your attempt to connect waits an infinite time. As described in the documentation, this is something that you shouldn't set in your connection string:
A value of 0 indicates no limit, and should be avoided in a
ConnectionString because an attemp...