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C++常用排序算法汇总 - C/C++ - 清泛网 - 专注C/C++及内核技术
...
//将arr序列中剩余的元素复制到brr中
//这两个语句只可能执行其中一个
while(i<=mid)
brr[k++] = arr[i++];
while(j<=end)
brr[k++] = arr[j++];
//将brr中的元素复制到arr中,使arr[start...end]有序
for(i=0;i<k;i++)
arr[i+start] = brr[i];
}
/...
Parse JSON in TSQL
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Update: As of SQL Server 2016 parsing JSON in TSQL is now possible.
Natively, there is no support. You'll have to use CLR. It is as simple as that, unless you have a huge masochistic streak and want to write a JSON parser in SQL
Normally, folk ask...
BSS段、数据段、代码段、堆与栈 剖析 - C/C++ - 清泛网 - 专注C/C++及内核技术
...允许代码段为可写,即允许修改程序。在代码段中,也有可能包含一些只读的常数变量,例如字符串常量等。
堆(heap):堆是用于存放进程运行中被动态分配的内存段,它的大小并不固定,可动态扩张或缩减。当进程调用malloc...
How to get the number of days of difference between two dates on mysql?
...the values are used in the calculation.
which results in
select datediff('2016-04-14 11:59:00', '2016-04-13 12:00:00')
returns 1 instead of expected 0.
Solution is using select timestampdiff(DAY, '2016-04-13 11:00:01', '2016-04-14 11:00:00');
(note the opposite order of arguments compared to datedi...
Converting a String to DateTime
...eTime(format: "ddMMyyyy"); // {29.02.1996 00:00:00}
mydate = "2016 3";
date = mydate.ToDateTime("yyyy M"); // {01.03.2016 00:00:00}
mydate = "2016 12";
date = mydate.ToDateTime("yyyy d"); // {12.01.2016 00:00:00}
mydate = "2016/31/05 13:...
How to convert index of a pandas dataframe into a column?
...ke:
>>> df
val
tick tag obs
2016-02-26 C 2 0.0139
2016-02-27 A 2 0.5577
2016-02-28 C 6 0.0303
and you want to convert the 1st (tick) and 3rd (obs) levels in the index into columns, you would do:
>>> df.reset_index(level=['tick...
How do I get an ISO 8601 date on iOS?
...:
let formatter = ISO8601DateFormatter()
let date = formatter.date(from: "2016-08-26T12:39:00Z")
let string = formatter.string(from: Date())
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How to get the start time of a long-running Linux process?
... STARTED
1 Tue Jun 7 01:29:38 2016 /sbin/init
2 Tue Jun 7 01:29:38 2016 [kthreadd]
3 Tue Jun 7 01:29:38 2016 [ksoftirqd/0]
5 Tue Jun 7 01:29:38 2016 [kworker/0:0H]
7 Tue J...
WaitAll vs WhenAll
...ecutes with await Task.WhenAll(taskArray) the output is as follows.
19/11/2016 12:18:37 AM: Task 1 started
19/11/2016 12:18:37 AM: Task 3 started
19/11/2016 12:18:37 AM: Task 2 started
Caught Exception in Main at 19/11/2016 12:18:40 AM: Task 1 throwing at 19/11/2016 12:18:38 AM
Done.
When the pro...
adito-gateway -华为云免费SSL VPN解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
注意,如果提示faile to angent 开头的错误,很有可能是JAVA没有配置好,重新配置后一定要记得重新运行一次
ant install
ant start
reboot
点击 堡垒机SSH的图标
登录到堡垒机了
最精简后运行的命令记...
