大约有 44,000 项符合查询结果（耗时：0.0586秒） [XML]
What is an Android PendingIntent?
... decide whether application B is trustworthy for the contact data the user selected.
– Lie Ryan
Nov 3 '14 at 10:04
...
UITableView is starting with an offset in iOS 7
...all your wanted UIViewControllers in InterfaceBuilder, on UIViewController selected object inspector:
For more details:
Submit your iOS 7 apps today.
iOS 7 UI Transition Guide > Appearance and Behavior
share
...
Rails: How to change the title of a page?
...In rails 3 content_for is smart enough to work correctly with caching (see selected answer).
– opsb
Nov 15 '11 at 10:41
4
...
构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...个）。
reactor模式，实现自己的多路复用NIO机制（epoll，select，kqueue等）
单线程处理多任务
数据结构
hash+bucket结构，当链表的长度过长时，会采取迁移的措施（扩展原来两倍的hash表，把数据迁移过去，expand+rehash）
持久化存...
How do I truncate a .NET string?
...inqpad extension methods)
var val = string.Concat(Enumerable.Range(0, 50).Select(i => i % 10));
foreach(var limit in new[] { 10, 25, 44, 64 })
new Perf<string> {
{ "newstring" + limit, n => new string(val.Take(limit).ToArray()) },
{ "concat" + limit, n => string....
All possible array initialization syntaxes
... objects, you can use var arr2 = Enumerable.Repeat(/* dummy: */ false, 10).Select(x => new object()).ToArray(); or similar.
– Jeppe Stig Nielsen
Jun 10 '14 at 13:28
add a c...
Add a column with a default value to an existing table in SQL Server
...1), (2); alter table blah add b int null constraint df_blah_b default (0); select * from blah; You will see 2 NULL values for column b.
– ErikE
Jun 14 '13 at 22:19
48
...
Deleting DataFrame row in Pandas based on column value
...
Good update for query. It allows for more rich selection criteria (eg. set-like operations like df.query('variable in var_list') where 'var_list' is a list of desired values)
– philE
Sep 30 '14 at 20:32
...
Examples of Algorithms which has O(1), O(n log n) and O(log n) complexities
... general application may be Brute Force here.
Bubble Sort
Insertion Sort
Selection Sort
Traversing a simple 2D array
share
|
improve this answer
|
follow
|
...
How do I restore a dump file from mysqldump?
... following these steps…
Open MySQL Administrator and connect to server
Select "Catalogs" on the left
Right click in the lower-left box and choose "Create New Schema"
MySQL Administrator http://img204.imageshack.us/img204/7528/adminsx9.th.gif enlarge image
Name the new schema (example: "dbn")
...