大约有 40,000 项符合查询结果（耗时：0.0308秒） [XML]
Insert auto increment primary key to existing table
...etrieve it by id immediately, MySQL offers LAST_INSERT_ID() for that value SELECT * FROM table_name WHERE id = LAST_INSERT_ID() and most programming language APIs offer some function/method to return that value in the application code.
– Michael Berkowski
Jan 2...
Code-first vs Model/Database-first [closed]
...In fact, I still write a lot of stored procedures for the more high volume select statements and such, and then I'll do a function import into the EF model all in the name of performance.
– Steve Wortham
Jun 14 '11 at 14:36
...
Convert dd-mm-yyyy string to date
...oDate(to)
Or if you don't mind jQuery in your function:
function toDate(selector) {
var from = $(selector).val().split("-")
return new Date(from[2], from[1] - 1, from[0])
}
Using as:
var f = toDate("#datepicker")
var t = toDate("#datepickertwo")
Modern JavaScript
If you're able to use m...
PHP: merge two arrays while keeping keys instead of reindexing?
...xing by + operator. This will be very help full in laravel and codeigniter select dropdown.
$empty_option = array(
''=>'Select Option'
);
$option_list = array(
1=>'Red',
2=>'White',
3=>'Green',
);
$arr_option = $empty_...
How do I get a substring of a string in Python?
...is a step. So reversing a string is as simple as:
some_string[::-1]
Or selecting alternate characters would be:
"H-e-l-l-o- -W-o-r-l-d"[::2] # outputs "Hello World"
The ability to step forwards and backwards through the string maintains consistency with being able to array slice from the star...
Which MySQL datatype to use for an IP address? [duplicate]
...nvert them:
INSERT INTO `table` (`ipv4`) VALUES (INET_ATON("127.0.0.1"));
SELECT INET_NTOA(`ipv4`) FROM `table`;
For IPv6 addresses you could use a BINARY instead:
`ipv6` BINARY(16)
And use PHP’s inet_pton and inet_ntop for conversion:
'INSERT INTO `table` (`ipv6`) VALUES ("'.mysqli_real_es...
How to add display:inline-block in a jQuery show() function?
...one'); // you could still use `.hide()` here
$('.tabs a').removeClass("selected");
var id = obj.attr("rel");
$('#' + id).css('display', 'inline-block');
obj.addClass("selected");
}
share
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...
Android Studio: how to attach Android SDK sources?
...uild.gradle with the desired API level.
In the Project window on the left, select the External Libraries drop-down.
Right click the menu item and select Open Library Settings.
Click the Sourcepath tab and use the + icon at the bottom left to link to the desired SDK sources (should be in something/s...
Disable developer mode extensions pop up in Chrome
... Extensions
Double click Configure extension installation whitelist policy
Select Enabled, and click Show
In the list, enter the ID(s) of the extensions you noted in Step 7
Click OK and restart Chrome.
That's it!
EDIT: As of July 2018, this approach no longer works: it seems Google has stopped ho...
How to include a child object's child object in Entity Framework 5
...) method which takes a lambda expression instead of a string. You can then Select() over children with Linq expressions rather than string paths.
return DatabaseContext.Applications
.Include(a => a.Children.Select(c => c.ChildRelationshipType));
...