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Extreme wait-time when taking a SQL Server database offline
... (a rare example: asynchronous statistic update)
To find connections, use sys.sysprocesses
USE master
SELECT * FROM sys.sysprocesses WHERE dbid = DB_ID('MyDB')
To force disconnections, use ROLLBACK IMMEDIATE
USE master
ALTER DATABASE MyDB SET SINGLE_USER WITH ROLLBACK IMMEDIATE
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Android image caching
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Convert them into Bitmaps and then either store them in a Collection(HashMap,List etc.) or you can write them on the SDcard.
When storing them in application space using the first approach, you might want to wrap them around...
Android Gallery on Android 4.4 (KitKat) returns different URI for Intent.ACTION_GET_CONTENT
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@voytez, Can this URI returned through your message converted to the full real path of the image?
– Snake
Dec 19 '13 at 21:45
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JSON.net: how to deserialize without using the default constructor?
... trying to deserialize, then another alternative is to create a custom JsonConverter to instantiate and populate your object. For example:
class ResultConverter : JsonConverter
{
public override bool CanConvert(Type objectType)
{
return (objectType == typeof(Result));
}
pu...
How to change string into QString?
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If compiled with STL compatibility, QString has a static method to convert a std::string to a QString:
std::string str = "abc";
QString qstr = QString::fromStdString(str);
share
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improve ...
How to reference generic classes and methods in xml documentation
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None of the answers shown so far work completely for me. ReSharper won't convert the see tag into a Ctrl+click-able link (e.g. ) unless it completely resolves.
If the method in the OP were in a namespace called Test, the completely resolved link to the method shown would be:
<see cref="M:Test...
Convert NSArray to NSString in Objective-C
I am wondering how to convert an NSArray [@"Apple", @"Pear ", 323, @"Orange"] to a string in Objective-C .
9 Answers
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Why is “if not someobj:” better than “if someobj == None:” in Python?
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In the first test, Python try to convert the object to a bool value if it is not already one. Roughly, we are asking the object : are you meaningful or not ? This is done using the following algorithm :
If the object has a __nonzero__ special method (as do...
Understanding implicit in Scala
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In scala implicit works as:
Converter
Parameter value injector
Extension method
There are 3 types of use of Implicit
Implicitly type conversion : It converts the error producing assignment into intended type
val x :String = "1"
val y:Int = x
String...
How to export DataTable to Excel
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Try simple code, to convert DataTable to excel file as csv:
var lines = new List<string>();
string[] columnNames = dataTable.Columns
.Cast<DataColumn>()
.Select(column => column.ColumnName)
.ToArray();
var header = ...
