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PDO get the last ID inserted
...nt to do it with SQL instead of the PDO API, you would do it like a normal select query:
$stmt = $db->query("SELECT LAST_INSERT_ID()");
$lastId = $stmt->fetchColumn();
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MySQL一次主从数据不一致的问题解决过程 - 数据库(内核) - 清泛网 - 专注C/...
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pt-table-checksum校验数据一致性。
从库mysql操作
GRANT SELECT,PROCESS, SUPER, REPLICATION SLAVE ON *.* TO 'checksums'@'192.168.1.100' IDENTIFIED BY 'slavecheck'; flush privileges;
主库mysql操作
GRANT SELECT, PROCESS, SUPER, REPLICATION SLAVE ON *.* TO 'checksums'@'19...
Real differences between “java -server” and “java -client”?
...ient option is ignored for many years.
See Windows java command:
-client
Selects the Java HotSpot Client VM.
A 64-bit capable JDK currently ignores this option and instead uses the Java Hotspot Server VM.
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Multiple Updates in MySQL
... another useful option is not yet mentioned:
UPDATE my_table m
JOIN (
SELECT 1 as id, 10 as _col1, 20 as _col2
UNION ALL
SELECT 2, 5, 10
UNION ALL
SELECT 3, 15, 30
) vals ON m.id = vals.id
SET col1 = _col1, col2 = _col2;
...
How to add a separator to a WinForms ContextMenu?
...er. I'm using VS 2012. You can add a separator via the forms designer.
1) Select/Create a MenuStrip.
2) On "Type Here", right mouse.
3) Select "Insert".
4) Select "Separator".
5) Drag the new separator to the text you want it to be above.
Done.
...
Convert dictionary to list collection in C#
...
To convert the Keys to a List of their own:
listNumber = dicNumber.Select(kvp => kvp.Key).ToList();
Or you can shorten it up and not even bother using select:
listNumber = dicNumber.Keys.ToList();
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Android - Emulator in landscape mode, screen does not rotate
...
In my case the Skin option in AVD settings was the problem. When I selected "No skin", it worked.
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Nesting await in Parallel.ForEach
..., "2", "3", "4", "5", "6", "7", "8", "9", "10" };
var customerTasks = ids.Select(i =>
{
ICustomerRepo repo = new CustomerRepo();
return repo.GetCustomer(i);
});
var customers = await Task.WhenAll(customerTasks);
foreach (var customer in customers)
{
Console.WriteLine(customer.ID);...
When should I use a table variable vs temporary table in sql server?
... source for the data inserted to the table is from a potentially expensive SELECT statement then consider that using a table variable will block the possibility of this using a parallel plan.
If you need the data in the table to survive a rollback of an outer user transaction then use a table variab...
LVN_ITEMCHANGED通知会响应多次的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
... 0x0008
#define LVIS_FOCUSED 0x0001
#define LVIS_SELECTED 0x0002
// 在CListCtrl派生类中响应LVN_ITEMCHANGED消息
void CNewListCtrl::OnItemchanged(NMHDR* pNMHDR, LRESULT* pResult)
{
NMLISTVIEW* pNMListView = (NMLISTVIEW*)pNMHDR;
// TODO: Add your c...