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How much faster is C++ than C#?
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In fact there is at least one reason: JIT needs to be fast, and cannot afford to spend time on various advanced optimizations available to a C++ compiler.
– Nemanja Trifunovic
Sep 26 '08 at 14:04
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What is unit testing? [closed]
... me unit tests are a kind of modularised test harness. There is usually at least one test per public function. I write additional tests to cover various behaviours.
All the special cases that you thought of when developing the code can be recorded in the code in the unit tests. The unit tests also...
What is unit testing and how do you do it? [duplicate]
... User interfaces. Think a driver for a space shuttle or a nuclear bomb (at least not with pure JUnit-tests ;) ). However, lots and lots of code is testable. Datastructures are. Algorithms are. Most Applicationlogic-classes are. So test it!
HTH. tetha
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`testl` eax against eax?
...ferent inputs, it's useful for testing if some bits are all zero, or if at least one is set. (e.g. test al, 3 sets ZF if EAX is a multiple of 4 (and thus has both of its low 2 bits zeroed).
test eax,eax sets all flags exactly the same way that cmp eax, 0 would:
CF and OF cleared (AND/TEST alw...
What does the CSS rule “clear: both” do?
...low the floated divs
1st Example
2nd Example
Last but not the least, the footer tag will be rendered after floated elements as I've used the clear class before declaring my footer tags, which ensures that all the floated elements (left/right) are cleared up to that point.
Clearfix
C...
How do you use bcrypt for hashing passwords in PHP?
...ost every piece of code on this page, you'll notice that it's violating at least one of these common problems.
Face It, Cryptography is hard.
Leave it for the experts. Leave it for people whose job it is to maintain these libraries. If you need to make a decision, you're doing it wrong.
Instead, ...
Targeting both 32bit and 64bit with Visual Studio in same solution/project
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This would be brilliant if it worked, but it doesn't. At least not for me.
– John Sheehan
Oct 21 '08 at 0:36
10
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Are Exceptions in C++ really slow
... A program should be written with readability in mind, not performance (at least, not as a first criterion). Exceptions are to be used when one expects that the caller cannot or will not wish to handle the failure on the spot, and pass it up the stack. Bonus: in C++11 exceptions can be marshalled be...
Regular expression for floating point numbers
...nly (e.g. .0 , .5678)
At the same time, you must ensure that there is at least one digit somewhere, i.e. the following are not allowed:
a decimal point on its own
a signed decimal point with no digits (i.e. +. or -.)
+ or - on their own
an empty string
This seems tricky at first, but one way o...
What's the equivalent of use-commit-times for git?
...and in the extreme example of that "virtual directory" thing, there was at least somebody working on a git plugin for FUSE, ie you could literally just have virtual directories showing all your branches.
and I'm sure any of the above are better alternatives than playing games with file timestamps...