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How to create a generic array in Java?
...Array native method to create array
// of a type only known at run time
@SuppressWarnings("unchecked")
final E[] a = (E[]) Array.newInstance(c, s);
this.a = a;
}
E get(int i) {
return a[i];
}
}
Unchecked: weak typing. No type checking is actually...
How to truncate milliseconds off of a .NET DateTime
I'm trying to compare a time stamp from an incoming request to a database stored value. SQL Server of course keeps some precision of milliseconds on the time, and when read into a .NET DateTime, it includes those milliseconds. The incoming request to the system, however, does not offer that precisio...
Functional programming - is immutability expensive? [closed]
...is of course not in-place but it’s got the same worst-case asymptotic runtime (O(n^2)) and space complexity (O(n)) as the procedural in-place version.
On average, its running time is still on par with that of the in-place variant (O(n log n)). Its space complexity, however, is still O(n).
The...
Fastest way to extract frames using ffmpeg?
... answered Jun 9 '12 at 15:53
Multimedia MikeMultimedia Mike
10.2k44 gold badges3939 silver badges5555 bronze badges
...
Why are Where and Select outperforming just Select?
... Where does not create anything, just return one element at the time from source sequence if only it fill the predicate.
– MarcinJuraszek
Aug 20 '13 at 16:30
13
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how to schedule a job for sql query to run daily?
...of the New Job window and enter the schedule information (e.g. daily and a time).
Click 'OK' - and that should be it.
(There are of course other options you can add - but I would say that is the bare minimum you need to get a job set up and scheduled)
...
Removing empty lines in Notepad++
...
If this is a one-time operation, you can extract the selected lines to the new notepad++ tab and perform that operation there. Copy-paste procedure for 5seconds. Any other workaround that cannot be accomplished in that time is a waste in my o...
Why is “except: pass” a bad programming practice?
...s about how the use of except: pass is discouraged. Why is this bad? Sometimes I just don't care what the errors are and I want to just continue with the code.
...
Best way to serialize an NSData into a hexadeximal string
...for large amounts of data. I profiled this with a 2MB file on my iPhone 5. Time comparison was 0.05 vs 12 seconds. Memory footprint is negligible with this method while the other method grew the heap to 70MBs!
- (NSString *) hexString
{
NSUInteger bytesCount = self.length;
if (bytesCount) {...
Meaning of acronym SSO in the context of std::string
...ated using new). However, the size of automatic arrays is fixed at compile time, but the size of arrays from the free store is not. Moreover, the stack size is limited (typically a few MiB), whereas the free store is only limited by your system's memory.
SSO is the Short / Small String Optimization...