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Why use static_cast(x) instead of (int)x?
...ngerous. You tell the compiler: "trust me: I know this doesn't look like a foo (this looks as if it isn't mutable), but it is".
The first problem is that it's almost impossible to tell which one will occur in a C-style cast without looking at large and disperse pieces of code and knowing all the r...
Possible to do a MySQL foreign key to one of two possible tables?
Well here's my problem I have three tables; regions, countries, states. Countries can be inside of regions, states can be inside of regions. Regions are the top of the food chain.
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Bomb dropping algorithm
I have an n x m matrix consisting of non-negative integers. For example:
32 Answers
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how to split the ng-repeat data with three columns using bootstrap
...splay it in a table.
<table>
<tr class="" ng-repeat="rows in foos | chunk:2">
<td ng-repeat="item in rows">{{item}}</td>
</tr>
</table>
share
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What is declarative programming? [closed]
.... wait for it ...) Turn Right." to "Bob will turn left at intersection of Foo and Bar at 11:01. Bob will turn right at the intersection of Bar and Baz at 11:06." Note that in the latter case the sentences are idempotent and commutative, whereas in the former case rearranging or repeating the senten...
Why can't non-default arguments follow default arguments?
...ink that the algorithm at PEP 3102 could work exactly the same even if def foo(x=None, y) would be allowed. So I'm still curious why this is not allowed by Python. Is there a real fundamental reason or is it just "we don't allow it because we don't allow it".
– Jeroen Demeyer
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How to use > in an xargs command?
... needs recursion and a simple loop with a glob for everything else:
find /foo -exec sh -c 'grep "$1" > "$1.out"' -- {} \;
or non-recursive:
for file in *; do grep "$file" > "$file.out"; done
Notice the proper use of quotes.
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What's wrong with cplusplus.com?
...ple... there is no undefined behavior.
– Dennis Zickefoose
Jun 29 '11 at 16:27
1
You declared "Ma...
How to align checkboxes and their labels consistently cross-browsers
...I disagree with the suggestion about using conditional comments. Keep the *foobar CSS hack. That works well, is used by frameworks like YUI, and allows you to keep together what belongs together.
– ebruchez
Jan 30 '09 at 17:54
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How to return smart pointers (shared_ptr), by reference or by value?
... to return a shared_ptr is to simply return by value:
shared_ptr<T> Foo()
{
return shared_ptr<T>(/* acquire something */);
};
This is a dead-obvious RVO opportunity for modern C++ compilers. I know for a fact that Visual C++ compilers implement RVO even when all optimizations are ...