大约有 47,000 项符合查询结果（耗时：0.0593秒） [XML]
How does having a dynamic variable affect performance?
...
|
edited Sep 20 '11 at 16:53
answered Sep 20 '11 at 6:27
...
Difference between DateTime and Time in Ruby
...
Newer versions of Ruby (2.0+) do not really have significant differences between the two classes. Some libraries will use one or the other for historical reasons, but new code does not necessarily need to be concerned. Picking one for consistency is probably best,...
Combine two ActiveRecord::Relation objects
...lation.or(last_name_relation)
† Only in ActiveRecord 5+; for 4.2 install the where-or backport.
share
|
improve this answer
|
follow
|
...
Regular expression for first and last name
... I would escape the special characters in these regexps - especially . (decimal point/dot/full stop) since it's the regexp wildcard =)
– Joel Purra
Aug 8 '12 at 18:45
32...
How can I exclude all “permission denied” messages from “find”?
I need to hide all permission denied messages from:
17 Answers
17
...
Retrieving Property name from lambda expression
...rce parameter is used so the compiler can do type inference on the method call. You can do the following
var propertyInfo = GetPropertyInfo(someUserObject, u => u.UserID);
share
|
improve this ...
How to detect user inactivity in Android
...
Selects Session Timeout to be 5 mins.
Does some operations on the app. (all in foreground)
Now User bring Myapp to background and starts some other app.
----> Count down timer starts and logs out user after 5 mins
OR user turns the screen OFF.
----> Count down timer starts and logs ou...
Handling click events on a drawable within an EditText
...ht()
– Fletcher Johns
Nov 30 '15 at 11:51
|
show 9 more comments
...
How to handle multiple cookies with the same name?
...nger paths are listed before cookies with shorter paths.
NOTE: Not all user agents sort the cookie-list in this order, but this
order reflects common practice when this document was written, and,
historically, there have been servers that (erroneously) depended on
this order.
There i...
SQL Server - transactions roll back on error?
...xact_abort on before your transaction to make sure sql rolls back automatically in case of error.
share
|
improve this answer
|
follow
|
...