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Is there a better alternative than this to 'switch on type'?
...-types
Short version: TypeSwitch is designed to prevent redundant casting and give a syntax that is similar to a normal switch/case statement. For example, here is TypeSwitch in action on a standard Windows form event
TypeSwitch.Do(
sender,
TypeSwitch.Case<Button>(() => textBox1.T...
Solutions for INSERT OR UPDATE on SQL Server
...ford & @Esteban show general idea but error-prone.
To avoid deadlocks and PK violations you can use something like this:
begin tran
if exists (select * from table with (updlock,serializable) where key = @key)
begin
update table set ...
where key = @key
end
else
begin
insert into tab...
How to get the contents of a webpage in a shell variable?
In Linux how can I fetch an URL and get its contents in a variable in shell script?
6 Answers
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How do I uniquely identify computers visiting my web site?
...wsers
are subject to “device fingerprinting” via the version and configuration information that they will transmit to websites upon request. We
implemented one possible fingerprinting algorithm, and collected these
fingerprints from a large sample of browsers that visited our test...
Convert a number range to another range, maintaining ratio
...ed Jul 10 '12 at 2:11
Teddy GarlandTeddy Garland
11722 silver badges77 bronze badges
...
How to specify a min but no max decimal using the range data annotation attribute?
...{0} must be greater than {1}.")]
That should do what you are looking for and you can avoid using strings.
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How to tell if JRE or JDK is installed
... testing. However, when I got a java application working on this computer, and then tried it on another, it complained that JDK was required. How can I check if JDK was somehow installed on my system? Note: the computer in question is a Mac.
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Status bar and navigation bar appear over my view's bounds in iOS 7
...ownloaded Xcode 5 DP to test my apps in iOS 7. The first thing I noticed and confirmed is that my view's bounds is not always resized to account for the status bar and navigation bar.
...
Is right click a Javascript event?
...also accessible via the keyboard (shift+F10 or context menu key on Windows and some Linux). In this situation, the event that you're looking for is oncontextmenu:
window.oncontextmenu = function ()
{
showCustomMenu();
return false; // cancel default menu
}
As for the mouse events the...
How to format a java.sql Timestamp for displaying?
...er that if SimpleDateFormat object is a local-scoped object (it is created and used only inside a method), then it is thread-safe, since stack on which it will reside is inherently "thread-safe" (as it belongs to a single thread).
– quantum
Sep 13 '11 at 9:52
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