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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 there hard evidence of the ROI of unit testing?
Unit testing sounds great to me, but I'm not sure I should spend any time really learning it unless I can convince others that is has significant value. I have to convince the other programmers and, more importantly, the bean-counters in management, that all the extra time spent learning the testin...
Encapsulation vs Abstraction?
Here are the brief definitions of encapsulation and abstraction.
13 Answers
13
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window.close and self.close do not close the window in Chrome
The issue is that when I invoke window.close() or self.close() it doesn't close the window. Now there seems to be a belief that in Chrome you can't close by script any window that is not script created. That is patently false but regardless it is supposed to still do it, even if it requires to p...
What does `m_` variable prefix mean?
I often see m_ prefix used for variables ( m_World , m_Sprites ,...) in tutorials, examples and other code mainly related to game development.
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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...
mysqli_fetch_assoc() expects parameter / Call to a member function bind_param() errors. How to get t
...ent environment, the MySQLi query is performing OK. However, when I upload it on my web host environment, I get this error:
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What is self-documenting code and can it replace well documented code? [closed]
I have a colleague who insists that his code doesn't need comments, it's "self documenting."
44 Answers
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How do emulators work and how are they written? [closed]
How do emulators work? When I see NES/SNES or C64 emulators, it astounds me.
16 Answers
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How to check if a variable is not null?
...owing the if statement if myVar is truthy (i.e. evaluates to true in a conditional), while the second will execute the block if myVar is any value other than null.
The only values that are not truthy in JavaScript are the following (a.k.a. falsy values):
null
undefined
0
"" (the empty string)
fal...