大约有 30,000 项符合查询结果（耗时：0.0591秒） [XML]
How do I package a python application to make it pip-installable?
... lot:
Python Packaging User Guide
Especially the tips to get your static files (templates) included are important as this might not be obvious at first.
And yes, you can specify required packages in your setup.py which are automatically fetched when installing your app.
For example:
install...
Random record in ActiveRecord
...
I haven't found an ideal way to do this without at least two queries.
The following uses a randomly generated number (up to the current record count) as an offset.
offset = rand(Model.count)
# Rails 4
rand_record = Model.offset(offset).first...
Django queries - id vs pk
When writing django queries one can use both id/pk as query parameters.
2 Answers
2
...
How do I delete from multiple tables using INNER JOIN in SQL server
...e in this example. Something like:
begin transaction;
declare @deletedIds table ( id int );
delete from t1
output deleted.id into @deletedIds
from table1 as t1
inner join table2 as t2
on t2.id = t1.id
inner join table3 as t3
on t3.id = t2.id;
delete from t2
...
PadLeft function in T-SQL
...
I believe this may be what your looking for:
SELECT padded_id = REPLACE(STR(id, 4), SPACE(1), '0')
FROM tableA
or
SELECT REPLACE(STR(id, 4), SPACE(1), '0') AS [padded_id]
FROM tableA
I haven't tested the syntax on the 2nd example. I'm not sure if that works 100% - it may requ...
Spring MVC: Complex object as GET @RequestParam
...ake case and map it to a camel case member of MyObject. For example, ?book_id=4, should be mapped with bookId member of the MyObject?
– Vivek Vardhan
Aug 16 '17 at 12:17
...
How to select the last record of a table in SQL?
...e can do is something like
Sql Server
SELECT TOP 1 * FROM Table ORDER BY ID DESC
MySql
SELECT * FROM Table ORDER BY ID DESC LIMIT 1
share
|
improve this answer
|
follow...
SQL Server: Filter output of sp_who2
...
You could try something like
DECLARE @Table TABLE(
SPID INT,
Status VARCHAR(MAX),
LOGIN VARCHAR(MAX),
HostName VARCHAR(MAX),
BlkBy VARCHAR(MAX),
DBName VARCHAR(MAX),
Command VARCHAR(MAX),
CPUTime INT,
DiskIO INT,
...
Do DOM tree elements with ids become global variables?
Working on an idea for a simple HTMLElement wrapper I stumbled upon the following for Internet Explorer and Chrome :
5 An...
How to conditionally push an item in an observable array?
...tils.arrayFirst(myObservableArray(), function(item) {
return itemToAdd.id === item.id;
});
if (!match) {
myObservableArray.push(itemToAdd);
}
share
|
improve this answer
|
...