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Echo equivalent in PowerShell for script testing
...ut-String, because with any non-trivial object, you'll need to use that to convert the object to a display-able string before using any of those three Write-* cmdlets.
– Jaykul
Nov 2 '09 at 7:11
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Check whether an array is empty [duplicate]
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array with zero elements converts to false
http://php.net/manual/en/language.types.boolean.php
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Python equivalent for PHP's implode?
Is there an equivalent for PHP's implode in Python? I've read in and split up a set of delimited words, and now I want to sort them out in random orders and print the words out with spaces in between.
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Choice between vector::resize() and vector::reserve()
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The two functions do vastly different things!
The resize() method (and passing argument to constructor is equivalent to that) will insert or delete appropriate number of elements to the vector to make it given size (it has optional second argument to specify their value). It will affect the ...
How to compare Lists in Unit Testing
...gave more detailed messages when it failed. "Different number of elements" and "Element at index 0 do not match" are slightly useless. What are they then?!
– Colonel Panic
May 15 '15 at 15:45
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What data type to use for money in Java? [closed]
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You can use Money and Currency API (JSR 354). You can use this API in, provided you add appropriate dependencies to your project.
For Java 8, add the following reference implementation as a dependency to your pom.xml:
<dependency>
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How to programmatically take a screenshot on Android?
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Here is the code that allowed my screenshot to be stored on an SD card and used later for whatever your needs are:
First, you need to add a proper permission to save the file:
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
And this is the code (running in a...
How to define multiple CSS attributes in jQuery?
...rive-by downvoters who never read jquery documentation? numeric values are converted into pixel values automatically kthx.
– Jimmy
Jan 15 '09 at 21:10
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scoped_ptr 与 auto_ptr 与 shared_ptr 区别总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
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}
~Foo()
{
std::cout<<"destroy Foo()"<<std::endl;
}
void print()
{
std::cout<<"Foo::print"<<std::endl;
}
int i;
};
void OutSharePtr(shared_ptr<Foo> &P)
{
Foo* p = new Foo();
shared_ptr<Foo> sp1(p);
std::cout<<sp1.use_count()<<"::"<<sp1.get()<<std::endl;
shared...
boost自定义composite_key_compare比较函数 - C/C++ - 清泛网 - 专注C/C++及内核技术
...Index { };
struct TParamValidIndex { };
struct customize_compare
{
int operator()(const IDType l, const IDType r)const
{
// specially compare for this application
return strcmp(l, r);
}
};
typedef multi_index_container<
TParam_p,
indexed_by<
ordered_unique< tag<T...