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How to change a table name using an SQL query?
...
Use sp_rename:
EXEC sp_rename 'Stu_Table', 'Stu_Table_10'
You can find documentation on this procedure on MSDN.
If you need to include a schema name, this can only be included in the first parameter (that is, this cannot be use...
Determine whether an array contains a value [duplicate]
... the most efficient method of accomplishing a utility function like this.
_.includes([1, 2, 3], 3); // returns true
If you're concerned about the bulk that's being added to your application by including the whole library, know that you can include functionality separately:
var includes = require...
Verify version of rabbitmq
...n Windows this is very similar. "C:\Program Files\RabbitMQ Server\rabbitmq_server-3.6.5\sbin\rabbitmqctl status" Folder name may vary with your version of Rabbit.
– dylanT
Nov 10 '16 at 23:58
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Retargeting solution from .Net 4.0 to 4.5 - how to retarget the NuGet packages?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
Draft saved
Draft discarded
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sizeof single struct member in C
...ic way to do it, another would be to use a macro like this:
#define member_size(type, member) sizeof(((type *)0)->member)
and use it like this:
typedef struct
{
float calc;
char text[255];
int used;
} Parent;
typedef struct
{
char flag;
char text[member_size(Parent, text)...
C++中智能指针的设计和使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...释放对象拥有权限、引用计数等,控制权转移等)。auto_ptr 即是一种常见的智能指针。
智能指针通常用类模板实现:
template <class T>
class smartpointer
{
private:
T *_ptr;
public:
smartpointer(T *p) : _ptr(p) //构造函数
{
}
T& oper...
What is the best Java email address validation method? [closed]
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Don't roll your own regex-based validator for things covered by RFCs.
– Josh Glover
Aug 7 '14 at 10:16
6
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Difference between std::system_clock and std::steady_clock?
...The implementation of steady_clock has changed [.....] steady_clock is now based on QueryPerformanceCounter() and high_resolution_clock is now a typedef for steady_clock. Quoted from msdn.microsoft.com/en-us/library/hh874757.aspx
– felix-b
Jan 14 '18 at 10:29
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/bin/sh: pushd: not found
... If it's just a oneliner, the following may also work (cd /new_path ; command )
– barney765
Aug 5 '17 at 7:31
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Why is sed not recognizing \t as a tab?
... by sh. For example, the following code from a shell script will add $TEXT_TO_ADD, without prepending it by a tabulation: sed "${LINE}a\\ $TEXT_TO_ADD " $FILE .
– Dereckson
Jan 23 '13 at 21:16
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