大约有 5,882 项符合查询结果（耗时：0.0265秒） [XML]
TCP 的那些事儿（上） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...给destory掉，然后在日志里打一个警告（如：time wait bucket table overflow），官网文档说这个参数是用来对抗DDoS攻击的。也说的默认值180000并不小。这个还是需要根据实际情况考虑。
Again，使用tcp_tw_reuse和tcp_tw_recycle来解决TIME_W...
How to update SQLAlchemy row entry?
Assume table has three columns: username , password and no_of_logins .
5 Answers
5...
What is the benefit of using “SET XACT_ABORT ON” in a stored procedure?
... face is data purity: sometimes the parameters received or the data in the tables are just plain wrong, resulting in duplicate key errors, referential constrain errors, check constrain errors and so on and so forth. After all, that's exactly the role of these constrains, if these data purity errors ...
Entity Framework DateTime and UTC
...);
}
/// <inheritdoc />
public override DataTable GetSchemaTable()
{
return source.GetSchemaTable();
}
/// <inheritdoc />
public override Stream GetStream(int ordinal)
{
return source.GetStream(ordi...
When to use ' (or quote) in Lisp?
...where you in other languages would have used strings, such as keys to hash tables.
This is where quote comes in. Say you want to plot resource allocations from a Python application, but rather do the plotting in Lisp. Have your Python app do something like this:
print("'(")
while allocating:
...
In Django, how does one filter a QuerySet with dynamic field lookups?
... right. It sounds like the "field" is actually a key to a row in another table, not a column.
Specific filter buttons. Wait... That's the way the Django admin works. Specific filters are turned into buttons. And the same analysis as above applies. A few filters make sense. A large number of ...
How does Windows 8 Runtime (WinRT / Windows Store apps / Windows 10 Universal App) compare to Silver
...vent) rather than the old COM model of event sources and sinks. Of other notable things, WinRT also has parametrized ("generic") interfaces.
One other big change is that all WinRT components have metadata available for them, just like .NET assemblies. In COM you kinda sorta had that with typelibs, ...
What are detached, persistent and transient objects in hibernate?
...se this POJO object is now outside the scope of JVM and stored in the
form table inside a database.Soo we can say that this Database storage state is like permanent storage for POJO objects)
If we perform->
session.evict(student);
then POJO object is evicted or removed back from the persis...
Implementing MVC with Windows Forms
...s of usages of data binding / no usages of data binding
Most data being “table like” (e.g. invoices) that work well in standard grid controls / need custom controls for most of the UI data.
One developer / teams of 10 or 20 developers (just on the UI)
Lots of unit test using mocks etc / no unit ...
Check if at least two out of three booleans are true
... Maybe the poor readability can be compensated by (1) the appropriate table in comment and (2) the appropriate unit test... +1 for something useful learned at school.
– moala
Feb 2 '12 at 15:39
...