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Why do most fields (class members) in Android tutorial start with `m`?

I know about camel case rules, but I'm confused with this m rule. What does it stand for? I'm a PHP developer. "We" use first letters of variables as indication of type, like 'b' for boolean, 'i' for integer and so on. ...
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Is it better to use std::memcpy() or std::copy() in terms to performance?

... function as a function parameter. I did a little bit more testing to see what I could do to make std::copy faster again. The answer turned out to be simple: turn on link time optimization. These are my results with LTO turned on (option -flto in gcc): Time (in seconds) to complete run of MD5 test...
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“unadd” a file to svn before commit

...ly goes back to being non versioned, without being deleted. That's exactly what the question asks. If you use it on modified files, of course it reverts them: but that wasn't the question. That's even the very specific use case shown on the linked page! – Julien Lebosquain ...
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Can a foreign key be NULL and/or duplicate?

...ion. Null by definition is not a value. Null means that we do not yet know what the value is. Let me give you a real life example. Suppose you have a database that stores sales proposals. Suppose further that each proposal only has one sales person assigned and one client. So your proposal table w...
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How to set time delay in javascript

...en after setTimeout finally it alerts I am setTimeout after 1sec (1000ms) What you can notice from the example is that the setTimeout(...) is asynchronous which means it doesn't wait for the timer to get elapsed before going to next statement i.e alert("after setTimeout"); Example: setInterval a...
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Why does DEBUG=False setting make my django Static Files Access fail?

... can someone tell me though what is so insecure about this – Kavi Vaidya Nov 20 '18 at 19:40 2 ...
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How does Apple find dates, times and addresses in emails?

... el chief, in your opinion, what kind of model would be best for that? Bayesian? – Martin Feb 20 '12 at 2:21 6 ...
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Is there any use for unique_ptr with array?

... @NoSenseEtAl: I'm not sure what part of "some people aren't allowed to do that" eludes you. Some projects have very specific requirements, and among them may be "you don't get to use vector". You can argue whether those are reasonable requirements or n...
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Rails: How to change the title of a page?

What is the best way to create a custom title for pages in a Rails app without using a plug-in? 15 Answers ...
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How to test a merge without actually merging first

... I don't think there is a way of simulating what will happen until you try the merge. However, if you make sure that the output of git status is empty before you do the merge, it is quite safe to just go ahead and try it. If you get conflicts, you can immediately get...