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How can I determine installed SQL Server instances and their versions?
...PRESS).... but how do i enter this in a server name? Test connection shows errors like ... a network related or instance specific error occured when trying to connect to sql server
– webzy
Feb 6 '16 at 9:29
...
Ideal way to cancel an executing AsyncTask
...ec");
} catch (IOException e) {
Log.d(TAG, PRE + "Error: " + e);
returnCode = FAIL;
} catch (Exception e){
e.printStackTrace();
} finally{
try {
if(fos != null)
fos.cl...
Is it possible to make a type only movable and not copyable?
... the new struct or enum is itself Copy. If not, the compiler will print an error message. It can also only exist if the type doesn't have a Drop implementation.
To answer the question you didn't ask... "what's up with moves and copy?":
Firstly I'll define two different "copies":
a byte copy, w...
All falsey values in JavaScript
...}
[]
function(){} or () => {} (any function, including empty functions)
Error and any instance of Error
Any regular expression
Anything created with new (including new Number(0) and new Boolean(false))
Any Symbol
true, 1, "1" and [1] return true when compared to each other with ==.
...
Why are C# interface methods not declared abstract or virtual?
...am not allowed to explicitly mark the interface method as virtual, and get error "error CS0106: The modifier 'virtual' is not valid for this item". Tested using v2.0.50727 (oldest version on my PC).
– ccppjava
Aug 22 '13 at 10:01
...
Python exit commands - why so many and when should each be used?
...hout calling the cleanup handlers.
exit(0):
a clean exit without any errors / problems.
exit(1):
There was some issue / error / problem and that is why the program is exiting.
sys.exit():
When the system and python shuts down; it means less memory is being used after the program is...
How to send a JSON object over Request with Android?
... e.printStackTrace();
createDialog("Error", "Cannot Estabilish Connection");
}
Looper.loop(); //Loop in the message queue
}
};
t.start();
}
You could also use Google Gson to send and retr...
Are there legitimate uses for JavaScript's “with” statement?
...ck"
Declaring a closure in a loop is a common task where this can lead to errors:
for (var i=0; i<3; ++i)
{
var num = i;
setTimeout(function() { alert(num); }, 10);
}
Because the for loop does not introduce a new scope, the same num - with a value of 2 - will be shared by all three functi...
What's the difference between “Write-Host”, “Write-Output”, or “[console]::WriteLine”?
...n Azure WebJob [console]::WriteLine works but Write-Host will result in an error: The Win32 internal error "The handle is invalid" 0x6 occurred while setting character attributes for the console output buffer. Don't ask me why.
– Gil Roitto
Nov 3 '17 at 12:19
...
How to get the raw value an field?
...ill have invalid input. .valid is defined as the absence of any validation errors (E.g. mismatches, overflows, underflows), of which .badInput is only one kind of error. Note the chart above where .badInput is false, but the input is still invalid.
– Ian Boyd
S...