大约有 21,000 项符合查询结果（耗时：0.0307秒） [XML]
MySQL - force not to use cache for testing speed of query
...
123
Another alternative that only affects the current connection:
SET SESSION query_cache_type=0;...
sql primary key and index
... alternate index on that column, then drop the default index.
Now for the fun part--when do you NOT want a unique primary key index? You don't want one, and can't tolerate one, when your table acquires enough data (rows) to make the maintenance of the index too expensive. This varies based on the...
Getting activity from context in android
...
And in Kotlin:
tailrec fun Context.activity(): Activity? = when {
this is Activity -> this
else -> (this as? ContextWrapper)?.baseContext?.activity()
}
share
...
Get all files that have been modified in git branch
...
ah! this is good fun, now how about if I want to have say <notMainDev> be the current branch I'm on. that is not have to specify it?
– Raif
May 17 '12 at 19:07
...
How do you share code between projects/solutions in Visual Studio?
...forward to deploy a separate DLL into SharePoint. In order to share common functionality between InfoPath forms the linked class file approach is very useful. It is placed one level above the individual form projects and everything is source controlled at the root level.
– Oliv...
How can I loop through a C++ map of maps?
...sal (by luminaries Bjarne Stroustrup, Herb Sutter and Gabriel Dos Reis) is fun to read (and the suggested syntax is more intuitive IMHO); there's also the proposed wording for the standard which is boring to read but is closer to what will actually go in.
...
Linux - Replacing spaces in the file names
...edited Nov 19 '19 at 13:57
odinp123
251111 bronze badges
answered Apr 2 '10 at 20:33
javipasjavipas
...
Union of dict objects in Python [duplicate]
...pe(s) for +: 'dict_items' and 'dict_items'".
– Attila123
Apr 23 at 13:14
...
How to check if an object is nullable?
...e already boxed the value to an object variable.
Microsoft documentation: https://docs.microsoft.com/en-us/dotnet/csharp/programming-guide/nullable-types/how-to-identify-a-nullable-type
share
|
imp...
A Regex that will never be matched by anything
... I had a long talk with some of my fellow developers and it sounded like a fun thing to think of.
26 Answers
...