大约有 840 项符合查询结果（耗时：0.0177秒） [XML]
The type or namespace name does not exist in the namespace 'System.Web.Mvc'
...r KB2992080, depending on which version of MVC you're referencing (5.1 and 5.0 respectively). The update delivers a new version of System.Web.Mvc which I presume is introducing a versioning conflict. Updating your MVC package will fix the error. If you can't update for whatever reason, you'll need t...
PHP code to convert a MySQL query to CSV [closed]
...le;
(the documentation for this is here: http://dev.mysql.com/doc/refman/5.0/en/select.html)
or:
$select = "SELECT * FROM table_name";
$export = mysql_query ( $select ) or die ( "Sql error : " . mysql_error( ) );
$fields = mysql_num_fields ( $export );
for ( $i = 0; $i < $fields; $i++ )
{
...
Is it possible to “await yield return DoSomethingAsync()”
...2/building-c-8-0/
From MSDN
Async streams
The async/await feature of C# 5.0 lets you consume (and produce) asynchronous results in straightforward code, without callbacks:
async Task<int> GetBigResultAsync()
{
var result = await GetResultAsync();
if (result > 20) return result; ...
Laravel Migration Change to Make a Column Nullable
...e', 50)->nullable()->change();
});
Source: http://laravel.com/docs/5.0/schema#changing-columns
Laravel 4 does not support modifying columns, so you'll need use another technique such as writing a raw SQL command. For example:
// getting Laravel App Instance
$app = app();
// getting larave...
Detect if device is iOS
...iOS 13 the iPad's user agent has changed to "Mac OS", for example: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0 Safari/605.1.15 so this answer need to be updated
– zvi
Jul 7 '19 at 14:34
...
Is it possible to determine whether ViewController is presented as Modal?
... being presented, this property holds nil.
Availability
Available in iOS 5.0 and later.
Declared In
UIViewController.h
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Delete with Join in MySQL
...
Actually (quoting from dev.mysql.com/doc/refman/5.0/en/delete.html) "If you declare an alias for a table, you must use the alias when referring to the table: DELETE t1 FROM test AS t1, test2 WHERE ..." so using an alias is fine.
– Peter Bowers
...
Calling Java varargs method with single null argument?
... any calls that were valid in the Java programming language before Java SE 5.0 are not considered ambiguous as the result of the introduction of variable arity methods, implicit boxing and/or unboxing. However, the declaration of a variable arity method (§8.4.1) can change the method chosen for a g...
MySQL Select minimum/maximum among two (or more) given values
...
WHERE B.x = A.x
Both are described here http://dev.mysql.com/doc/refman/5.0/en/comparison-operators.html
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Make Https call using HttpClient
.../json"));
client.DefaultRequestHeaders.Add(
"User-Agent",
"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.36");
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