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How do you determine the ideal buffer size when using FileInputStream?
...would be the best performer because we let the system manage File System , allocation units and HDD at will.
In practice you are fortunate to know the file sizes in advance, just use the average file size rounded up to 4K (default allocation unit on NTFS).
And best of all : create a benchmark to tes...
Check if a given key already exists in a dictionary
...
this also avoids an extra allocation. (important for making tight loops a bit faster)
– nurettin
Dec 9 '18 at 9:19
add a comme...
Autolayout - intrinsic size of UIButton does not include title insets
...stitute your desired padding values here:
UIButton* myButton = [[UIButton alloc] init];
// setup some autolayout constraints here
myButton.titleEdgeInsets = UIEdgeInsetsMake(-desiredBottomPadding,
-desiredRightPadding,
...
Benchmarking small code samples in C#, can this implementation be improved?
... call, not before. That way you know .NET will already have enough memory allocated from the OS for the working set of your function.
Keep in mind that you're making a non-inlined method call for each iteration, so make sure you compare the things you're testing to an empty body. You'll also have...
SQL-Server: Is there a SQL script that I can use to determine the progress of a SQL Server backup or
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@user63141; the restore starts with a file allocation. If you have not done anything, then Instant File Initialization is not allowed (see msdn.microsoft.com/en-us/library/ms175935.aspx). It can take quite a while, if you have old disks or a large database
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generating GUID without hyphen
..., if nothing else, it is extra work (and most likely an unnecessary string allocation).
– Christian.K
Jan 16 '12 at 9:02
add a comment
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Positioning MKMapView to show multiple annotations at once
... How do you create the CLLocationCoordinate2D *coords array? Using malloc()?
– Hlung
Feb 23 '14 at 9:24
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Python: Is it bad form to raise exceptions within __init__?
...n't been properly initialized. Actually it's a very common idiom in C++ to allocate resources in the constructor and deallocate them in the destructor. You suggest that the member object destroys itself (deallocating the resources in its destructor) - then the same issue arises when writing the memb...
SSL certificate rejected trying to access GitHub over HTTPS behind firewall
...test it works by ssh-ing to gitproxy
pti@pti-laptop:~$ ssh github.com
PTY allocation request failed on channel 0
Hi ptillemans! You've successfully authenticated, but GitHub does not provide shell access.
Connection to github.com closed.
pti@pti-laptop:~$
(Note: if you never logged in to g...
How can I parse a local JSON file from assets folder into a ListView?
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Allocating the buffer based on the result returned by available() is incorrect as per the Java docs: docs.oracle.com/javase/7/docs/api/java/io/… "Note that while some implementations of InputStream will return the tota...