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Descending order by date filter in AngularJs
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In my case, the orderBy is determined by a select box. I prefer Ludwig's response because you can set the sort direction in the select options as such:
$scope.options = [
{ label: 'Title', value: 'title' },
{ label: 'Newest', value: '...
Fixing “Lock wait timeout exceeded; try restarting transaction” for a 'stuck" Mysql table?
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You can check the currently running transactions with
SELECT * FROM `information_schema`.`innodb_trx` ORDER BY `trx_started`
Your transaction should be one of the first, because it's the oldest in the list. Now just take the value from trx_mysql_thread_id and send it the KILL ...
Removing “NUL” characters
...id work was closely related:
Open your file in Notepad++
Type Control-A (select all)
Type Control-H (replace)
In 'Find What' type \x00
In 'Replace With' leave BLANK
In 'Search Mode' Selected 'Extended'
Then Click on 'Replace All'
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Does the join order matter in SQL?
...t matter. The queries will return same results, as long as you change your selects from SELECT * to SELECT a.*, b.*, c.*.
For (LEFT, RIGHT or FULL) OUTER joins, yes, the order matters - and (updated) things are much more complicated.
First, outer joins are not commutative, so a LEFT JOIN b is no...
Why there can be only one TIMESTAMP column with CURRENT_TIMESTAMP in DEFAULT clause?
...pdated) values(null, null);
Query OK, 1 row affected (0.06 sec)
mysql> select * from t5;
+----+---------------------+---------------------+
| id | stamp_created | stamp_updated |
+----+---------------------+---------------------+
| 2 | 2009-04-30 09:44:35 | 2009-04-30 09:44:35 |
+...
In VIM, how do I break one really long line into multiple lines?
... format the line that {motion} moves over
{Visual}gq % format the visually selected area
gqq % format the current line
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I'd suggest you check out :help gq and :help gw.
Also setting textwidth (tw) will give you auto line break when exceeded during typing. It is used in gq too, though if...
Throw an error in a MySQL trigger
... trigger_test values (1), (-1), (2); -- everything fails as one row is bad
select * from trigger_test;
insert into trigger_test values (1); -- succeeds as expected
insert into trigger_test values (-1); -- fails as expected
select * from trigger_test;
...
XPath OR operator for different nodes
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If you want to select only one of two nodes with union operator, you can use this solution:
(//bookstore/book/title | //bookstore/city/zipcode/title)[1]
share
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App Inventor 2 SQLite数据库教程 - 本地数据存储与查询 · App Inventor 2 中文网
...数据
when 按钮_查询全部.Click {
SQLite1.QuerySQL("SELECT * FROM users ORDER BY created_at DESC")
}
when SQLite1.OnResult(结果) {
// 结果是列表，每项是一个字典
var 显示 = ""
var i = 1
while i 0 {
var item = 列表第1项(结果)
var 学生ID ...
App Inventor 2 TableView与SQLite数据展示教程 · App Inventor 2 中文网
...w.AppInventor.setWebViewString("ERROR:"+e.message); }
}
},100);
function selectRow(i){
window.AppInventor.setWebViewString("SELECT:"+i);
}
App Inventor积木块
when Screen1.Initialize() {
Web浏览器1.HomeUrl = "file:///android_asset/table_view.html"
SQLite1.Open...