大约有 44,000 项符合查询结果(耗时:0.0605秒) [XML]

https://stackoverflow.com/ques... 

What is the meaning of symbol $ in jQuery?

... $ already. Just use jQuery.noConflict(). $ is pretty commonly used as a selector function in JS. In jQuery the $ function does much more than select things though. You can pass it a selector to get a collection of matching elements from the DOM. You can pass it a function to run when the d...
https://stackoverflow.com/ques... 

How to catch SQLServer timeout exceptions

...= sql.CreateCommand(); cmd.CommandText = "DECLARE @i int WHILE EXISTS (SELECT 1 from sysobjects) BEGIN SELECT @i = 1 END"; cmd.ExecuteNonQuery(); // This line will timeout. cmd.Dispose(); sql.Close(); } catch (SqlException ex) { if (ex.Number == -2) { Console.WriteLine (...
https://stackoverflow.com/ques... 

Difference between 'struct' and 'typedef struct' in C++?

...t constructor, and a conversion operator that converts a foo object to char const *. The expression p = foo(); in main should construct a foo object and apply the conversion operator. The subsequent output statement cout << p << '\n'; should display class foo, but...
https://stackoverflow.com/ques... 

live output from subprocess command

...ptimization: If we are only using one pipe, or no pipe at # all, using select() or threads is unnecessary. if [self.stdin, self.stdout, self.stderr].count(None) >= 2: But, alas, here we've made at least two, and maybe three, different pipes, so the count(None) returns either 1 or 0. We...
https://stackoverflow.com/ques... 

Mysql adding user for remote access

... that you have to create or update a user. look for all your mysql users: SELECT user,password,host FROM user; as soon as you got your user set up you should be able to connect like this: mysql -h localhost -u gmeier -p hope it helps ...
https://stackoverflow.com/ques... 

How can I undo a `git commit` locally and on a remote after `git push`

...pository to apply this change there too. See this question: Git: removing selected commits from repository share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

What are the differences between the different saving methods in Hibernate?

... So in case of detached object, merge will trigger a select whereas update will not ? – Gab Mar 17 '14 at 15:44 1 ...
https://stackoverflow.com/ques... 

Execute SQLite script

...return to my shell script, I think this works well: $ sqlite3 example.db 'SELECT * FROM some_table;' share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

foreach with index [duplicate]

... You can do the following foreach (var it in someCollection.Select((x, i) => new { Value = x, Index = i }) ) { if (it.Index > SomeNumber) // } This will create an anonymous type value for every entry in the collection. It will have two properties Value: with the ori...
https://stackoverflow.com/ques... 

Programmatically add custom event in the iPhone Calendar

...meWorks group in the Groups and Files Navigator on the left of the window. Select 'Add' then 'Existing FrameWorks' then 'EventKit.Framework'. Then you should be able to add events with code like this: #import "EventTestViewController.h" #import <EventKit/EventKit.h> @implementation EventTe...