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How to check command line parameter in “.bat” file?
...
if "%1"=="" goto :done
echo %1
shift
goto :loop
:done
echo Done.
Let's test it:
C:\> argq bla bla
bla
bla
Done.
Seems to work. But now, lets switch to second gear:
C:\> argq "bla bla"
bla""=="" was unexpected at this time.
Boom This didn't evaluate to true, neither did it evaluate to...
Unmangling the result of std::type_info::name
...tr_base;
}
It prints:
Type of ptr_base: Base*
Type of pointee: Derived
Tested with g++ 4.7.2, g++ 4.9.0 20140302 (experimental), clang++ 3.4 (trunk 184647), clang 3.5 (trunk 202594) on Linux 64 bit and g++ 4.7.2 (Mingw32, Win32 XP SP2).
If you cannot use C++11 features, here is how it can be do...
AI助手重构版问题记录 - AI 助手 - 清泛IT社区，为创新赋能！
...ay","params":[],"do":[{"set_prop": "DisplayLabel.Text","value":{"choose":{"test":{"is_empty":{"get_var": "global currentNumber"}},"then": "0","else":{"get_var": "global currentNumber"}}}}]},{"procedure": "appendNumber","params":["num"],"do":[{"if":{"eq":[{"get_var": "global isNewCalculation"},true]}...
Force page scroll position to top at page refresh in HTML
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@Paul12_ - I just tested it on Safari 11.0.3 and works okay for me, which one are you using?
– ProfNandaa
Aug 21 '18 at 23:56
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What's the difference between session.persist() and session.save() in Hibernate?
...ow a PersistentObjectException, as it is not allowed.
All these are tried/tested on Hibernate v4.0.1.
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What are the differences between Autotools, Cmake and Scons?
... ARCANE m4 macro syntax combined with verbose, twisted shell scripting for tests for "compatibility", etc.
If you're not paying attention, you will mess up cross-compilation ability (It
should clearly be noted that Nokia came up with Scratchbox/Scratchbox2 to side-step highly broken Autotools build ...
How to printf uint64_t? Fails with: “spurious trailing ‘%’ in format”
I wrote a very simple test code of printf uint64_t:
3 Answers
3
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Why is super.super.method(); not allowed in Java?
...ds T1 { int x = 2; }
class T3 extends T2 {
int x = 3;
void test() {
System.out.println("x=\t\t" + x);
System.out.println("super.x=\t\t" + super.x);
System.out.println("((T2)this).x=\t" + ((T2)this).x);
System...
How to drive C#, C++ or Java compiler to compute 1+2+3+…+1000 at compile time?
...struct adder<Goal, Goal>{
static unsigned const value = Goal;
};
Testcode:
template<unsigned Start>
struct sum_from{
template<unsigned Goal>
struct to{
template<unsigned N>
struct equals;
typedef equals<adder<Start, Goal>::value> result;
};...
Pimpl idiom vs Pure virtual class interface
... dodgy. The answer here is a sensible balance that may also help with unit testing via "dependency injection"; but the answer always depends on requirements. Third party Library writers (as distinct from using a library in your own organization) may heavily prefer the Pimpl.
– ...