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Add 2 hours to current time in MySQL?
Which is the valid syntax of this query in MySQL?
5 Answers
5
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NPM cannot install dependencies - Attempt to unlock something which hasn't been locked
...t the problem was. My ".npm" folder in my home directory was owned by the root user instead of myself. I'm not sure what happened to cause that. Maybe I installed node or npm as the root admin at one point. In any case I just ran sudo chown -R [username] .npm and I was finally able to run npm in...
CreateWindow()动态创建一个EditBox - C/C++ - 清泛网 - 专注C/C++及内核技术
...中有输入后，消息框便会提示其输入的内容。
另外，如何设置输入框焦点，请参照：https://www.tsingfun.com/it/cpp/1538.htmlCreateWindow 动态创建 EditBox
c++ 代码提升权限，请求管理员身份运行权限 - 脚本技术 - 清泛IT社区，为创...
...CreateProcess函数，有时会遇到权限不足失败的情况，那么如何提升执行权限呢？
使用 ShellExecuteEx 函数：
// ------提升权限------
// Initialize the structure.
SHELLEXECUTEINFO sei = { siz...
selecting unique values from a column
I have a MySQL table which contains the following type of information:
9 Answers
9
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How to perform file system scanning
...tf("Visited: %s\n", path)
return nil
}
func main() {
flag.Parse()
root := flag.Arg(0)
err := filepath.Walk(root, visit)
fmt.Printf("filepath.Walk() returned %v\n", err)
}
Please note that filepath.Walk walks the directory tree recursively.
This is an example run:
$ mkdir -p dir1/dir...
How do I get the current date and time in PHP?
...tetime;
$now = new DateTime();
echo $now->format('Y-m-d H:i:s'); // MySQL datetime format
echo $now->getTimestamp(); // Unix Timestamp -- Since PHP 5.3
And to specify the timezone:
$now = new DateTime(null, new DateTimeZone('America/New_York'));
$now->setTimezone(new DateTi...
MySQL INNER JOIN select only one row from second table
I have a users table and a payments table, for each user, those of which have payments, may have multiple associated payments in the payments table. I would like to select all users who have payments, but only select their latest payment. I'm trying this SQL but i've never tried nested SQL sta...
Master-master vs master-slave database architecture?
...uture. I came across
Master-Slave Replication
Master-Master Replication
MySQL Cluster
I have decided to settle for using MySQL Cluster for my use case. However please see below for the various pros and cons that I have compiled
1. Master-Slave Replication
Pros
Analytic applications can rea...
mysqli_fetch_assoc() expects parameter / Call to a member function bind_param() errors. How to get t
In my local/development environment, the MySQLi query is performing OK. However, when I upload it on my web host environment, I get this error:
...