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How can I force Powershell to return an array when a call only returns one object?
...rray to an Azure deployment template. If there was one object, PowerShell "converted" it to a string. In the example below, $a is returned from a function that gets VM objected according to the value of a tag. I pass the $a to the New-AzureRmResourceGroupDeployment cmdlet by wrapping it in @(). Like...
Does const mean thread-safe in C++11?
...onst objects to be thread-safe. This means that the Standard Library won't introduce a data race as long as operations on const objects of your own types either
Consist entirely of reads --that is, there are no writes--; or
Internally synchronizes writes.
If this expectation does not hold for one ...
CListCtrl 如何设置单元格颜色？ - C/C++ - 清泛网 - 专注C/C++及内核技术
...ColListCtrl.InitCtrl(&Head, &Cols);
//添加数据
CString Linetitle;
int pos=0;
for (int x=0; x<10;x++)
{
Head.RemoveAll();
Linetitle.Format("Line %d",x);
Head.Add(Linetitle);
Linetitle.Format("SubLine %d-1",x);
Head.Add(Linetitle);
Linetitle.Format("SubLine %d-2",x);
Head.Add(...
CListCtrl 行高设置，自定义行高 - C/C++ - 清泛网 - 专注C/C++及内核技术
...tem(LPMEASUREITEMSTRUCT lpMeasureItemStruct);
virtual void OnMeasureItem(int nIDCtl, LPMEASUREITEMSTRUCT lpMeasureItemStruct);
virtual void DrawItem(LPDRAWITEMSTRUCT lpMeasureItemStruct);
public:
void SetRowHeigt(int nHeight);
private:
int m_nRowHeight;
};
MyListCtrl.cpp：
#inc...
c/c++ volatile和mutable关键字 - C/C++ - 清泛网 - 专注C/C++及内核技术
...olatile 吗？解释为什么。
3); 下面的函数有什么错误：
int square(volatile int *ptr)
{
return *ptr * *ptr;
}
下面是答案：
1)是的。一个例子是只读的状态寄存器。它是volatile因为它可能被意想不到地改变。它是const因为程序不应该...
shared_ptr指针被赋值后，原指针会引用清零、自动释放。 - C/C++ - 清泛IT...
...赋值后，原指针会引用清零、自动释放。
std::shared_ptr<int> intg;
void foo(std::shared_ptr<int> p)
{
intg = p; // 原指针释放，存储新的智能指针
//*(intg.get()) = *(p.get...
How do I calculate someone's age in Java?
I want to return an age in years as an int in a Java method.
What I have now is the following where getBirthDate() returns a Date object (with the birth date ;-)):
...
What does “while True” mean in Python?
...the while statement is going to be evaluated as a boolean. Meaning it gets converted into either true or false.
Consider in the statement while(6 > 5)
It first evaluates the expression 6 > 5 which is true so is the same as saying while(true)
Anything that is not FALSE, 0, an emptry string ...
SQL query to select dates between two dates
...
Tried this today, you could also use convert(date, Date) between '2011/02/25' and '2011/02/27' (at least with a recent MS SQL Server). The convert() part will take care of stripping the time part and the between comparison will then work as expected.
...
How to use WHERE IN with Doctrine 2
...ing this issue, I found something that will be important to anyone running into this same issue and looking for a solution.
From the original post, the following line of code:
$qb->add('where', $qb->expr()->in('r.winner', array('?1')));
Wrapping the named parameter as an array causes th...