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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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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...
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
3
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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*...
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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Assign null to a SqlParameter
...ond_expression must be the same, or an implicit conversion must exist from one type to the other.
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Intersection and union of ArrayLists in Java
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This post is fairly old, but nevertheless it was the first one popping up on google when looking for that topic.
I want to give an update using Java 8 streams doing (basically) the same thing in a single line:
List<T> intersect = list1.stream()
.filter(list2::contains)
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Eclipse “Error: Could not find or load main class”
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How would one change this?
– Aequitas
Oct 29 '15 at 2:14
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