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How come a non-const reference cannot bind to a temporary object?
Why is it not allowed to get non-const reference to a temporary object,
which function getx() returns? Clearly, this is prohibited by C++ Standard
but I am interested in the purpose of such restriction, not a reference to the standard.
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What is a coroutine?
...ereby flow control is cooperatively passed between two different routines without returning.
The 'yield' statement in Python is a good example. It creates a coroutine. When the 'yield ' is encountered the current state of the function is saved and control is returned to the calling function. The ca...
How to avoid explicit 'self' in Python?
... is there's never any confusion over what's a member and what's not, even without the full class definition visible. This leads to useful properties, such as: you can't add members which accidentally shadow non-members and thereby break code.
One extreme example: you can write a class without any ...
What is the shortest function for reading a cookie by name in JavaScript?
...on approach:
The regex approach is not only the fastest in most browsers, it yields the shortest function as well. Additionally it should be pointed out that according to the official spec (RFC 2109), the space after the semicolon which separates cookies in the document.cookie is optional and an ar...
Who is calling the Java Thread interrupt() method if I'm not?
...d several threads here on the subject, I've read the IBM article Dealing with InterruptedException and yet there's something I'm simply not grasping which I think can be broken down into two questions:
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Get TFS to ignore my packages folder
...o get TFS (2013) to ignore my packages folder. I passionately don't want it source controlled as I'm using NuGet and it's great!
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How to disable Golang unused import error
...o know if there exists some hope to change to this behavior, e.g. reducing it to warning.
8 Answers
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Is it faster to count down than it is to count up?
Our computer science teacher once said that for some reason it is more efficient to count down than to count up.
For example if you need to use a FOR loop and the loop index is not used somewhere (like printing a line of N * to the screen)
I mean that code like this:
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Is it better to specify source files with GLOB or each file individually in CMake?
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Full disclosure: I originally preferred the globbing approach for its simplicity, but over the years I have come to recognise that explicitly listing the files is less error-prone for large, multi-developer projects.
Original answer:
The advantages to globbing are:
It's easy to add ne...
“where 1=1” statement [duplicate]
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It's usually when folks build up SQL statements.
When you add and value = "Toyota" you don't have to worry about whether there is a condition before or just WHERE. The optimiser should ignore it
No magic, just practical
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