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Arrow operator (->) usage in C
I am reading a book called "Teach Yourself C in 21 Days" (I have already learned Java and C# so I am moving at a much faster pace). I was reading the chapter on pointers and the -> (arrow) operator came up without explanation. I think that it is used to call members and functions (like the eq...
Memcached vs. Redis? [closed]
...re popular, and better supported than memcached. Memcached can only do a small fraction of the things Redis can do. Redis is better even where their features overlap.
For anything new, use Redis.
Memcached vs Redis: Direct Comparison
Both tools are powerful, fast, in-memory data stores that are usef...
How to make a SIMPLE C++ Makefile
...o write a simple makefile
What is Make? And Why Should I Care?
The tool called Make is a build dependency manager. That is, it takes care of knowing what commands need to be executed in what order to take your software project from a collection of source files, object files, libraries, headers, et...
Why are quaternions used for rotations?
... multiplication is much faster than 3x3 matrix multiplication).
Note that all of these representations of rotations are used in practice. Euler angles use the least memory; matrices use more memory but don't suffer from Gimbal lock and have nice analytical properties; and quaternions strike a nice ...
input type=file show only button
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This answer is so simple and elegant and has worked for all browsers.
– Mike.C.Ford
Mar 19 '15 at 15:55
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How to list the size of each file and directory and sort by descending size in Bash?
... @ErikTrautman to list the files also you need to add -a and use --all instead of --max-depth=1 like so du -a -h --all | sort -h
– Franco
Jun 14 '14 at 1:40
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Real World Example of the Strategy Pattern
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What about this:
You have to encrypt a file.
For small files, you can use "in memory" strategy, where the complete file is read and kept in memory ( let's say for files < 1 gb )
For large files, you can use another strategy, where parts of the file are read in memory and...
How can I calculate an md5 checksum of a directory?
I need to calculate a summary md5 checksum for all files of a particular type ( *.py for example) placed under a directory and all sub-directories.
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Getting all selected checkboxes in an array
... want to use jQuery
var array = []
var checkboxes = document.querySelectorAll('input[type=checkbox]:checked')
for (var i = 0; i < checkboxes.length; i++) {
array.push(checkboxes[i].value)
}
share
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WSDL vs REST Pros and Cons
...lso lets you layer things like WS-Security on your documents. SOAP is generally transport-agnostic, meaning you don't necessarily need to use HTTP.
REST is very lightweight, and relies upon the HTTP standard to do it's work. It is great to get a useful web service up and running quickly. If you d...