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Can an Android Toast be longer than Toast.LENGTH_LONG?

... The values of LENGTH_SHORT and LENGTH_LONG are 0 and 1. This means they are treated as flags rather than actual durations so I don't think it will be possible to set the duration to anything other than these values. If you want to display a message to the user for longe...
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How to use a variable for the database name in T-SQL?

...I've done that in ADO.NET code. And where did I get the word "SERVERNAME" from? Here's some code that I just tested (and which works): DECLARE @DBNAME VARCHAR(255) SET @DBNAME = 'TestDB' DECLARE @CREATE_TEMPLATE VARCHAR(MAX) DECLARE @COMPAT_TEMPLATE VARCHAR(MAX) DECLARE @RECOVERY_TEMPLATE VARCHA...
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Foreign key constraint may cause cycles or multiple cascade paths?

...ascade delete for both details, because there are multiple cascading paths from Master to SomeOtherTable (one via Detail1 and one via Detail2). Now you may already have understood this. Here is a possible solution: Master { ID, masterfields } DetailMain { ID, MasterID } Detail1 { DetailMainID, de...
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How to delete last item in list?

...ou code could look like this then: #!/usr/bin/env python # coding: utf-8 from timer import Timer if __name__ == '__main__': a, record = None, [] while not a == '': with Timer() as t: # everything in the block will be timed a = input('Type: ') record.append(t.el...
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Express-js can't GET my static files, why?

...; Look at the examples on this page: //Serve static content for the app from the "public" directory in the application directory. // GET /style.css etc app.use(express.static(__dirname + '/public')); // Mount the middleware at "/static" to serve static content only when their request pa...
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tcp端口状态ESTABLISHED、TIME_WAIT、CLOSE_WAIT 、SYN_RECV等详解 - C/C++...

...持续2个MSL(Max Segment Lifetime),在Windows下默认为4分钟,即240秒,TIME_WAIT状态下的socket不能被回收使用。 具体现象是对于一个处理大量短连接的服务器,如果是由服务器主动关闭客户端的连接,将导致服务器端存在大量的处于TIME_WAIT...
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Making a private method public to unit test it…good idea?

...mething that is private in C# is to downgrade the accessibility protection from private to internal, and then mark the unit testing assembly as a friend assembly using InternalsVisibleTo. The unit testing assembly will then be allowed to treat the internals as public, but you don't have to worry abo...
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how to override action bar back button in android?

...ich is to override the "onSupportNavigateUp()" as I am using the actionbar from the "AppCompatActivity" support library. (There is an equivalent "onNavigateUp()" for the newer actionbar/toolbar library.) @Override public boolean onSupportNavigateUp(){ finish(); return true; } and I remo...
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What's the best way to validate an XML file against an XSD file?

...rial for this, here (req. signup). Original attribution: blatantly copied from here: import org.apache.xerces.parsers.DOMParser; import java.io.File; import org.w3c.dom.Document; public class SchemaTest { public static void main (String args[]) { File docFile = new File("memory.xml"); ...
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What does “exec sp_reset_connection” mean in Sql Server Profiler? [duplicate]

...n does NOT reset the transaction isolation level to the server default from the previous connection's setting. UPDATE: Starting with SQL 2014, for client drivers with TDS version 7.3 or higher, the transaction isolation levels will be reset back to the default. ref: SQL Server: Isolation l...