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Difference between 'new operator' and 'operator new'?

... I usually try to phrase things differently to differentiate between the two a bit better, but it's a good question in any case. Operator new is a function that allocates raw memory -- at least conceptually, it's not much differen...
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When to use PNG or JPG in iPhone development?

...more compressed image formats, and thus be slower to display. JPG's are smaller to store, but lossy (amount depends on compression level), and to display them requires a much more complicated decoding algorithm. But the typical compression and image quality is usually quite sufficient for photos. ...
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Are PHP short tags acceptable to use?

...t). As you say, lots of shared hosts do support shorttags but "lots" isn't all of them. If you want to share your scripts, it's best to use the full syntax. I agree that <? and <?= are easier on programmers than <?php and <?php echo but it is possible to do a bulk find-and-replace as lo...
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Java Hashmap: How to get key from value?

... The BidiMap interface in the Collections library is a bi-directional map, allowing you to map a key to a value (like normal maps), and also to map a value to a key, thus allowing you to perform lookups in both directions. Obtaining a key for a value is supported by the getKey() method. There is a ...
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Passing arrays as url parameter

...5D=4&aParam%5Ba%5D=b&aParam%5Bc%5D=d" http_build_query() handles all the necessary escaping for you (%5B => [ and %5D => ]), so this string is equal to aParam[0]=1&aParam[1]=4&aParam[a]=b&aParam[c]=d. ...
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Get cookie by name

... @user3132564 tried to edit this in, but its actually a comment: This method returns the wrong value when you search for a suffix of a cookie - if the value of document.cookie is "FirstName=John" and you call getCookie("Name"), you'll get back "John" even though there's no ...
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What's the difference between 'git merge' and 'git rebase'?

... Suppose originally there were 3 commits, A,B,C: Then developer Dan created commit D, and developer Ed created commit E: Obviously, this conflict should be resolved somehow. For this, there are 2 ways: MERGE: Both commits D and E ...
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How does libuv compare to Boost/ASIO?

...nchronous I/O capabilities have been extended to other resources. Additionally, with Boost.Asio being part of the Boost libraries, its scope is slightly narrowed to prevent duplication with other Boost libraries. For example, Boost.Asio will not provide a thread abstraction, as Boost.Thread alread...
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How to install packages offline?

... download a python package and it's dependencies from pypi for offline installation on another machine? Is there any easy way to do this with pip or easy_install? I'm trying to install the requests library on a FreeBSD box that is not connected to the internet. ...
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Is it possible to use Visual Studio on macOS?

I want to install Visual Studio on macOS. Is this possible? 7 Answers 7 ...