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Thou shalt not inherit from std::vector

... the hell it is before using it. What's the difference between std::vector and MyVector? Which one is better to use here and there? What if I need to move std::vector to MyVector? May I just use swap() or not? Do not produce new entities just to make something to look better. These entities (especi...
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What is the difference between “expose” and “publish” in Docker?

I'm experimenting with Dockerfiles, and I think I understand most of the logic. However, I don't see the difference between "exposing" and "publishing" a port in this context. ...
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How to exit an if clause

... (This method works for ifs, multiple nested loops and other constructs that you can't break from easily.) Wrap the code in its own function. Instead of break, use return. Example: def some_function(): if condition_a: # do something and return early .....
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What is code coverage and how do YOU measure it?

What is code coverage and how do YOU measure it? 9 Answers 9 ...
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When to call activity context OR application context?

...plicationContext() when you know why you are using getApplicationContext() and only when you need to use getApplicationContext(). To be blunt, "some programmers" use getApplicationContext() (or getBaseContext(), to a lesser extent) because their Java experience is limited. They implement an inner c...
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Declaring an unsigned int in Java

...on is that most operations (such as addition, subtraction, multiplication, and left shift) are identical on a binary level for signed and unsigned integers. A few operations (division, right shift, comparison, and casting), however, are different. As of Java SE 8, new methods in the Integer class al...
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Should I use s and s inside my s?

... the nav element and the list provide different semantical information: The nav element communicates that we're dealing with a major navigation block The list communicates that the links inside this navigation block form a list of items ...
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How to programmatically send SMS on the iPhone?

Does anybody know if it's possible, and how, to programmatically send a SMS from the iPhone , with the official SDK / Cocoa Touch? ...
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Find location of a removable SD card

...le via USB Mass Storage mode when mounted on a host machine", at least for Android 1.x and 2.x. But the question is about external SD. How to get a path like "/mnt/sdcard/external_sd" (it may differ from device to device)? Android has no concept of "external SD", aside from external storage, as de...
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In where shall I use isset() and !empty()

...TRUE , therefore isset() is not an effective way to validate text inputs and text boxes from a HTML form. 17 Answers ...