大约有 45,000 项符合查询结果(耗时:0.1187秒) [XML]
What is the correct SQL type to store a .Net Timespan with values > 24:00:00?
... I'd probably convert the ticks into a time object like this: SELECT CAST(DATEADD(MILLISECOND, @Ticks/CAST(10000 AS BIGINT), '1900-01-01') AS TIME). The '1900-01-01' date doesn't matter, of course, it's just the third variable required by the DATEADD(...) function. Remember there are 10...
How to change the commit author for one specific commit?
...b:
git push --force --tags origin 'refs/heads/*'
OR if you like to push selected references of the branches then use
git push --force --tags origin 'refs/heads/develop'
share
|
improve this a...
Why is Swift compile time so slow?
...ule optimization' in the 'Swift Compiler - Code Generation' build setting. Select 'Fast, Whole Module Optimization'
In 'Swift Compiler - Custom Flags', for your development builds, add '-Onone'
When these flags are set, the compiler will compile all Swift files in one step. We found with o...
浅谈APM在电子交易系统中的应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
慢的原因是因为执行了两条 Database dt_manager_log-select 语句。还有更详细的的,看看是怎么调用的
清晰的看到具体的语句,是怎么调用, 很明显这就是一个查询语句而查询的速度这么慢肯定是不正常的
接...
Can't specify the 'async' modifier on the 'Main' method of a console app
...dvanced button at the bottom:
From the language version drop-down menu, select "7.1" (or any higher value):
The default is "latest major version" which would evaluate (at the time of this writing) to C# 7.0, which does not support async main in console apps.
...
How do you generate dynamic (parameterized) unit tests in python?
...
This solution is better than the one selected as accepted IMHO.
– petroslamb
Jan 18 '16 at 13:42
2
...
What is the difference between HTTP status code 200 (cache) vs status code 304?
...ll return 304s for many of the page elements. Instead go up to the url bar select the page and hit enter as if you had just typed in the same URL again, that will give you a better indicator of what's being cached properly. This article does a great job explaining the difference between conditional ...
What is the fastest way to send 100,000 HTTP requests in Python?
... Make sure you install the epoll reactor; otherwise you'll be using select/poll, and it will be very slow. Also, if you're going to actually try to have 100,000 connections open simultaneously (assuming your program is written that way, and the URLs are on different servers), you'll need to ...
What is sharding and why is it important?
... a DBMS for which the locality is quite restricted (say, a user only fires selects with a 'where username = $my_username') it makes sense to put all the usernames starting with A-M on one server and all from N-Z on the other. By this you get near linear scaling for some queries.
Long story short: S...
What is the difference between == and Equals() for primitives in C#?
... accepts the same type.
If you write age.Equals(newAge), the compiler will select int.Equals(int) as the best overload and implicitly convert short to int. It will then return true, since this method simply compares the ints directly.
short also has a short.Equals(short) method, but int cannot be im...