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Increase heap size in Java
...-Xmx6g myprogram
You can get a full list (or a nearly full list, anyway) by typing java -X.
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Public Fields versus Automatic Properties
We're often told we should protect encapsulation by making getter and setter methods (properties in C#) for class fields, instead of exposing the fields to the outside world.
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Split a string on whitespace in Go?
...Split(s string, n int) []string
Split slices s into substrings separated by the expression and returns
a slice of the substrings between those expression matches.
The slice returned by this method consists of all the substrings
of s not contained in the slice returned by FindAllString. When calle...
How do I find the most recent git commit that modified a file?
...me a file was modified no matter the branch, you can consider all branches by adding the --all option.
– K. C.
Aug 13 '15 at 8:00
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How to convert vector to array
...not known at the time you define your class and which are later on created by flushing various vectors and using their size-parameter to determine how much space is to be used. Another example: a simple function void arrayTest(unsigned int arrSize), that creates an array (short arr[arrSize];) in it ...
Where is the C auto keyword used?
...re actually a circumstance in which auto can be specified but won't happen by default?
– Jerry Coffin
Jun 11 '13 at 1:27
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no new variables on left side of :=
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Thanks for the note. I've confused by a multi-variable short declaration, this explains why.
– Li Jinyao
Dec 16 '18 at 12:47
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Does PNG contain EXIF data like JPG?
... JPEG images. This method of storing EXIF in PNG images is also supported by ExifTool (and I believe Exiv2 too), but it is not part of the PNG or EXIF specification.
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How do I fix "The expression of type List needs unchecked conversion…'?
...for you—although it would have been possible to implement it to do so.
By doing your own cast up front, you're "complying with the warranty terms" of Java generics: if a ClassCastException is raised, it will be associated with a cast in the source code, not an invisible cast inserted by the comp...
Visual Studio can't build due to rc.exe
...s out of their MSVT package. Since no one knows whether they were left out by mistake or for license reasons, no one with MSVC is too interested in giving them out. A few Google searches turn up some tricky sources. Fortunately, Microsoft has finally wised up and solved this problem and many more.
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