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How to take all but the last element in a sequence using LINQ?
... In the first example, it would probably be ever-so-slightly faster to set buffered=false in an else clause before assigning buffer. The condition is already being checked anyway, but this would avoid redundantly setting buffered every time through the loop.
– James
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how to check if List element contains an item with a Particular Property Value
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Increase number of axis ticks
...s a decent job at this automatically. If it isn't producing a satisfactory set of results, I'm not sure there's a built in function to provide something different. The level of detail you'll want will be specific to your plot, but maybe think through some test cases and your specified level of detai...
F12 Jump to method -> go back to previous method after making the jump?
I can jump to code if I click in a method name and hit F12. But, is there a keyboard short cut to jump back to the previous code editor location?
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Is Unit Testing worth the effort? [closed]
...singletons, the current time, or external resources like a database result set. These methods usually need to be refactored into a method that gets the resource (e.g. calls getTime()) and a method that takes the resource as a argument (e.g. takes the timestamp as a parameter). I let them skip testin...
Split list into multiple lists with fixed number of elements
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On Duplicate Key Update same as insert
...need to update it in any case?
For eg. if your columns a to g are already set as 2 to 8; there would be no need to re-update it.
Alternatively, you can use:
INSERT INTO table (id,a,b,c,d,e,f,g)
VALUES (1,2,3,4,5,6,7,8)
ON DUPLICATE KEY
UPDATE a=a, b=b, c=c, d=d, e=e, f=f, g=g;
To get the i...
How do I get the application exit code from a Windows command line?
...e Reason Given is %errorlevel%
exit /b %errorlevel%
)
Warning: If you set an environment variable name errorlevel, %errorlevel% will return that value and not the exit code. Use (set errorlevel=) to clear the environment variable, allowing access to the true value of errorlevel via the %errorle...
How do I get a background location update every n minutes in my iOS application?
...ationStatusDenied)
{
NSLog(@"Location services are disabled in settings.");
}
else
{
// for iOS 8
if ([self.locationManager respondsToSelector:@selector(requestAlwaysAuthorization)])
{
[self.locationManager requestAlwaysAuthorization];
...
How to atomically delete keys matching a pattern using Redis
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When you need to purge data, you change prefix_actuall first (for example set prefix_prefix_actuall = 3), so your application will write new data to keys prefix:3:1 and prefix:3:2. Then you can safely take old values from prefix:2:1 and prefix:2:2 and purge old keys.
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