大约有 40,000 项符合查询结果（耗时：0.0448秒） [XML]
How to delete all the rows in a table using Eloquent?
...
Note: truncate() also resets any AUTO_INCREMENT counter (also note you can't truncate tables which have foreign key constraints.)
– William Turrell
Jul 24 '16 at 13:06
...
MVC 3: How to render a view without its layout page when loaded via ajax?
....cshtml:
@{
Layout = Request.IsAjaxRequest() ? null : "~/Views/Shared/_Layout.cshtml";
}
and in the controller:
public ActionResult Index()
{
return View();
}
share
|
improve this answe...
Converting string to Date and DateTime
...6-2003');
$timestamp = $d->getTimestamp(); // Unix timestamp
$formatted_date = $d->format('Y-m-d'); // 2003-10-16
Edit: you can also pass a DateTimeZone to DateTime() constructor to ensure the creation of the date for the desired time zone, not the server default one.
...
How to convert a char to a String?
...
@BinkanSalaryman using javac 1.8.0_51-b16 and then javap to decompile, I see the constructor/method calls I have in the answer. What are you using?
– Paul Bellora
Jul 24 '15 at 2:55
...
How to use GROUP_CONCAT in a CONCAT in MySQL
...
select id, group_concat(`Name` separator ',') as `ColumnName`
from
(
select
id,
concat(`Name`, ':', group_concat(`Value` separator ',')) as `Name`
from mytbl
group by
id,
`Name`
) tbl
group by id;
You can see it i...
Enum type constraints in C# [duplicate]
...: {3} ", IO.FileAccess.ReadWrite, IO.FileAccess.Read, IO.FileAccess.Write, _
Enums.HasFlags(IO.FileAccess.ReadWrite, IO.FileAccess.Read Or IO.FileAccess.Write))
' These fail to compile as expected:
'Console.WriteLine(Enums.HasFlags(IO.FileAccess.ReadWrite, IO.FileOptio...
Use of undeclared identifier 'kUTTypeMovie'
... MobileCoreServices
Open Video Camera
@IBAction func openVideoCamera(_ sender: Any) {
if UIImagePickerController.isSourceTypeAvailable(.camera) {
let imagePicker = UIImagePickerController()
imagePicker.delegate = self
imagePicker.sourceType = .camera
imageP...
Difference between getDefaultSharedPreferences and getSharedPreferences
...efaultSharedPreferences will use a default name like "com.example.something_preferences", but getSharedPreferences will require a name.
getDefaultSharedPreferences in fact uses Context.getSharedPreferences (below is directly from the Android source):
public static SharedPreferences getDefaultShar...
Where is the Java SDK folder in my computer? Ubuntu 12.04
...t root 31 2009-01-15 18:34 /etc/alternatives/java -> /usr/local/jre1.6.0_07/bin/java
So, thats the actual location of java: /usr/local/jre.....
You could still dig deeper to find other symbolic links.
Reference : where is java's home dir?
...
Sort array of objects by string property value
...ite your own comparison function:
function compare( a, b ) {
if ( a.last_nom < b.last_nom ){
return -1;
}
if ( a.last_nom > b.last_nom ){
return 1;
}
return 0;
}
objs.sort( compare );
Or inline (c/o Marco Demaio):
objs.sort((a,b) => (a.last_nom > b.last_nom) ? 1 :...