大约有 40,000 项符合查询结果（耗时：0.0402秒） [XML]
Getting the current Fragment instance in the viewpager
...ewPager . I have a menu option. As shown in the onOptionsItemSelected() , by selecting an option, I need to update the fragment that is currently visible. To update that I have to call a method which is in the fragment class. Can someone please suggest how to call that method?
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MongoDB: Is it possible to make a case-insensitive query?
...earching with regex's case insensitive /i means that mongodb cannot search by index, so queries against large datasets can take a long time.
Even with small datasets, it's not very efficient. You take a far bigger cpu hit than your query warrants, which could become an issue if you are trying to...
UI Terminology: Logon vs Login [closed]
...the following: Log On, Logon, Log In, Log Out
Another option is (which is by the way more popular):
[Login] [Register]
Welcome, UserName! [Logout]
Google Stats (hits):
[Sign In], [Sign Out] -> 1 210 000 000 + 300 700 000 = 1 510 700 000
[Login], [Logout] -> 1 940 000 000 + 88 200 000...
How can I get dict from sqlite query?
...sqlite3.Row objects. However these can be converted to a dictionary simply by using dict(): result = [dict(row) for row in c.fetchall()].
– Gonçalo Ribeiro
Aug 26 '18 at 22:19
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What is the meaning of symbol $ in jQuery?
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The jQuery object :)
From the jQuery documentation:
By default, jQuery uses "$" as a shortcut for "jQuery"
So, using $("#id") or jQuery("#id") is the same.
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OceanBase使用libeasy原理源码分析：客户端 - 数据库(内核) - 清泛网 - 专...
...sy_list_t session_list_node;
//为了快速根据packet id定位到发送队列中的session，将session加入到发送队列中时，同时，将其加入到一个hash表中，hash表采用链表的方式将同一个bucket的元素连接起来，
//链表元素就是easy_...
How do I detect “shift+enter” and generate a new line in Textarea?
... I changed it. Now it'll work irrespective of caret position. And by event.stopPropagation() i meant to stop some other code which he may have written to submit the form.
– Jishnu A P
May 16 '11 at 12:23
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PDO mysql: How to know if insert was successful
... any different - re-throw the exception, to make it possible to be handled by the site-wide error handler usual way. Below is the example code from my article on error handling with PDO:
try {
$pdo->prepare("INSERT INTO users VALUES (NULL,?,?,?,?)")->execute($data);
} catch (PDOException...
Error 1022 - Can't write; duplicate key in table
...ntioned, it's possible that the name for your constraint is already in use by another table in your DB. They must be unique across the database.
A good convention for naming foreign key constraints is:
fk_TableName_ColumnName
To investigate whether there's a possible clash, you can list all cons...
Getting Django admin url for an object
... to change it to this:
(r'^admin/', include(admin.site.urls) ),
Once I did that, all the goodness that was promised in the Reversing Admin URLs docs started working.
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