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Getting image dimensions without reading the entire file
...rsion, height and width of a GIF image but couldn’t find anything useful online.
Fortunately in case of GIF, all the required information was in the first 10 bytes:
Type: Bytes 0-2
Version: Bytes 3-5
Height: Bytes 6-7
Width: Bytes 8-9
PNG are slightly more complex (width and height are 4-bytes...
Has anyone actually implemented a Fibonacci-Heap efficiently?
...ndsor. Unfortunately, most of the versions of that file that I could find online (and the one in Ubuntu's libboost-dev package) still had the bugs; I had to pull a clean version from the Subversion repository.
Since version 1.49 Boost C++ libraries added a lot of new heaps structs including fibon...
What is an efficient way to implement a singleton pattern in Java? [closed]
... System.out.println(Arrays.toString(favoriteSongs));
}
}
Edit: An online portion of "Effective Java" says:
"This approach is functionally equivalent to the public field approach, except that it is more concise, provides the serialization machinery for free, and provides an ironclad gua...
HTML table with 100% width, with vertical scroll inside tbody [duplicate]
...19% is less than (100% / 5 cols) = 20% */
float: left;
}
Here is the Online Demo.
Note: This approach will fail if the content of each column breaks the line, i.e. the content of each cell should be short enough.
In the following, there are two simple example of pure CSS solution which I c...
Why does find -exec mv {} ./target/ + not work?
...
The manual page (or the online GNU manual) pretty much explains everything.
find -exec command {} \;
For each result, command {} is executed. All occurences of {} are replaced by the filename. ; is prefixed with a slash to prevent the shell from i...
Array.Copy vs Buffer.BlockCopy
... with my similar findings above. These separate benchmarks were discovered online here: manski.net/2012/12/net-array-clear-vs-arrayx-0-performance
– Special Sauce
Dec 7 '15 at 22:20
...
Passing a 2D array to a C++ function
...Code above in answer is exactly what I'd suggested. It works in GCC 6.3 - online demo. Did you forget to make the parameter a reference?
– legends2k
Nov 29 '18 at 5:39
add a...
How can I parse a CSV string with JavaScript, which contains comma in data?
..."'; }
/ [^"]
Test at http://jsfiddle.net/knvzk/10 or https://pegjs.org/online.
Download the generated parser at https://gist.github.com/3362830.
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What is a sealed trait?
...where.
— M. Odersky. The Scala language specification, version 2.8. online, Sept., 2013.
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What is the advantage of using abstract classes instead of traits?
...ot to trait?" which addresses this question. Since the 1st ed is available online, I'm hoping it's OK to quote the whole thing here. (Any serious Scala programmer should buy the book):
Whenever you implement a reusable collection of behavior, you will
have to decide whether you want to use a t...