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How to convert std::string to LPCSTR?
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The MultiByteToWideChar answer that Charles Bailey gave is the correct one. Because LPCWSTR is just a typedef for const WCHAR*, widestr in the example code there can be used wherever a LPWSTR is expected or where a LPCWSTR is expected.
One minor tweak would be to use std::vector<WCHAR> in...
orderBy multiple fields in Angular
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Sorting can be done by using 'orderBy' filter in angular.
Two ways:
1. From view
2. From controller
From view
Syntax:
{{array | orderBy : expression : reverse}}
For example:
<div ng-repeat="user in users | orderBy : ['nam...
How do I create a unique constraint that also allows nulls?
...able won't let me store NULLs in a unique column in the first place. If anyone knows a solution for that, please post it here
– dotNET
Feb 2 '15 at 22:01
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setNeedsLayout vs. setNeedsUpdateConstraints and layoutIfNeeded vs updateConstraintsIfNeeded
...out autolayouts–says:
If something changes later on that invalidates one of your constraints, you should remove the constraint immediately and call setNeedsUpdateConstraints. In fact, that’s the only case where you should have to trigger a constraint update pass.
In addition, in my experie...
Alternatives to gprof [closed]
... I'm emphasizing call instructions, but it applies to any instructions. If one has an honest-to-goodness hotspot bottleneck, such as a bubble sort of a large array of numbers, then the compare/jump/swap/increment instructions of the inner loop will be at the top/bottom of nearly every stack sample. ...
How to create a memory leak in Java?
...ss to say, I felt pretty dumb having no clue on how to even start creating one.
59 Answers
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How do I remove an item from a stl vector with a certain value?
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Does this all-in-one-statement form depend on the order in which the compiler evaluates the arguments, or is vec.end() guaranteed to be the same on either side of the call to std::remove? It looks to me in reading other parts of the web like ...
JAXB creating context and marshallers cost
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It isn't mentioned in the Javadoc that JAXBContext is thread safe. And just about every example of how to use JAXB, fails to mention that it should be created once and shared across threads. As a result I'm now removing yet another howli...
dynamic_cast and static_cast in C++
...ptr and tries to safely cast it to a pointer of type Type*. This cast is done at compile time. It will only perform the cast if the type types are related. If the types are not related, you will get a compiler error. For example:
class B {};
class D : public B {};
class X {};
int main()
{
D*...
Different between parseInt() and valueOf() in java?
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Which one is used more often? Which one should I use the most?
– Click Upvote
Feb 3 '09 at 20:05
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