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Is is possible to check if an object is already attached to a data context in Entity Framework?
...
Here's what I ended up with, which works very nicely:
public static void AttachToOrGet<T>(this ObjectContext context, string entitySetName, ref T entity)
where T : IEntityWithKey
{
ObjectStateEntry entry;
// Track whether we need to perform an attach
bool attach = false;
...
AngularJS multiple filter with custom filter function
...
Try this:
<tr ng-repeat="player in players | filter:{id: player_id, name:player_name} | filter:ageFilter">
$scope.ageFilter = function (player) {
return (player.age > $scope.min_age && player.age < $scope.max_age);
}
...
Laravel - Route::resource vs Route::controller
...aseController {
public function index() {}
public function show($id) {}
public function store() {}
}
You can also choose what actions are included or excluded like this:
Route::resource('users', 'UsersController', [
'only' => ['index', 'show']
]);
Route::resource('monkeys'...
Make outer div be automatically the same height as its floating content
...I dont want to use style='height: 200px in the div with the outerdiv id as I want it to be automatically the height of its content (eg, the floating div s).
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Trigger a button click with JavaScript on the Enter key in a text box
...t to trigger the button's click event when the Enter key is pressed inside the text box?
30 Answers
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Gson: How to exclude specific fields from Serialization without annotations
...ynamic exclusion. I some cases I want some fields excluded in order to provide a lighter/restricted response and in others I want the full object serialized
– Liviu T.
May 7 '11 at 7:36
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Download file of any type in Asp.Net MVC using FileResult?
... supports this natively. The System.Web.MVC.Controller.File controller provides methods to return a file by name/stream/array.
For example using a virtual path to the file you could do the following.
return File(virtualFilePath, System.Net.Mime.MediaTypeNames.Application.Octet, Path.GetFileName(v...
MySQL和MongoDB设计实例进行对比 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...数表来单独保存。
CREATE TABLE IF NOT EXISTS `mobiles` (
`id` int(10) unsigned NOT NULL AUTO_INCREMENT,
`name` VARCHAR(100) NOT NULL,
`brand` VARCHAR(100) NOT NULL,
PRIMARY KEY (`id`)
);
CREATE TABLE IF NOT EXISTS `mobile_params` (
`id` int(10) unsigned NOT NUL...
两种js滑动门(tab切换)效果 - 源码下载 - 清泛网 - 专注C/C++及内核技术
...d: #fff;
text-align: center;
margin: 0;
}
.nTab{
float: left;
width: 960px;
margin: 0 auto;
border-bottom:1px #AACCEE solid;
background:#d5d5d5;
background-position:left;
background-repeat:repeat-y;
margin-bottom:2px;
}
.nTab .TabTitle{
clear: both;
height: 22px;
ov...
Remove specific commit
...ove altogether only the last commit:
git reset --soft "HEAD^"
Note: Avoid git reset --hard as it will also discard all changes in files since the last commit. If --soft does not work, rather try --mixed or --keep.
Rebase (show the log of the last 5 commits and delete the lines you don't want, ...