大约有 44,000 项符合查询结果（耗时：0.0726秒） [XML]
Check if list is empty in C# [closed]
...is is an approach in ASP.NET:
<emptydatarowstyle backcolor="LightBlue" forecolor="Red"/>
<emptydatatemplate>
<asp:image id="NoDataErrorImg"
imageurl="~/images/NoDataError.jpg" runat="server"/>
No Data Found!
</emptydatatemplate>
...
Download JSON object as a file from browser
...
This is how I solved it for my application:
HTML:
<a id="downloadAnchorElem" style="display:none"></a>
JS (pure JS, not jQuery here):
var dataStr = "data:text/json;charset=utf-8," + encodeURIComponent(JSON.stringify(storageObj));
...
Entity Framework. Delete all rows in table
...
For those that are googling this and ended up here like me, this is how you currently do it in EF5 and EF6:
context.Database.ExecuteSqlCommand("TRUNCATE TABLE [TableName]");
Assuming context is a System.Data.Entity.DbConte...
Make function wait until element exists
...it is a 3rd party code such as google maps) then what you could do is test for the existence in an interval:
var checkExist = setInterval(function() {
if ($('#the-canvas').length) {
console.log("Exists!");
clearInterval(checkExist);
}
}, 100); // check every 100ms
But note - man...
Resizing UITableView to fit content
...
Actually I found the answer myself.
I just create a new CGRect for the tableView.frame with the height of table.contentSize.height
That sets the height of the UITableView to the height of its content.
Since the code modifies the UI, do not forget to run it in the main thread:
dispatch_...
Rails create or update magic?
...ord callbacks or validations.
Rails 5, 4, and 3
Not if you are looking for an "upsert" (where the database executes an update or an insert statement in the same operation) type of statement. Out of the box, Rails and ActiveRecord have no such feature. You can use the upsert gem, however.
Otherw...
Chrome refuses to execute an AJAX script due to wrong MIME type
...ript as JSON via AJAX, which works fine on Safari and other browsers but unfortunately will not execute in Chrome. It's coming with the following error:
...
Base constructor in C# - Which gets called first? [duplicate]
...
Base class constructors get called before derived class constructors, but derived class initializers get called before base class initializers. E.g. in the following code:
public class BaseClass {
private string sentenceOne = null; // A
public BaseCl...
Eclipse Autocomplete (percent sign, in Juno)
I started using Eclipse Juno a few days ago after using older versions for years.
1 Answer
...
PHPUnit assert that an exception was thrown?
... $this->expectException(InvalidArgumentException::class);
// or for PHPUnit < 5.2
// $this->setExpectedException(InvalidArgumentException::class);
//...and then add your test code that generates the exception
exampleMethod($anInvalidArgument);
}
}
exp...