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What is the difference between loose coupling and tight coupling in the object oriented paradigm?
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Java interfaces are tools that can aid this. However they are not required. The concept of program to the interface not the implementation means program to the public methods/attributes (or ones that are meant to be used by e...
Is there any way to put malicious code into a regular expression?
...per on Regular Expression Matching Can Be Simple And Fast
(but is slow in Java, Perl, PHP, Python, Ruby, ...) talks about ways that most modern NFAs, which all seem to derive from Henry Spencer’s code, suffer severe performance degradation, but where a Thompson‐style NFA has no such problems.
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OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
...ansform it over the right perspective.
See a working implementation here:
Java OpenCV deskewing a contour
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Resizing an image in an HTML5 canvas
I'm trying to create a thumbnail image on the client side using javascript and a canvas element, but when I shrink the image down, it looks terrible. It looks as if it was downsized in photoshop with the resampling set to 'Nearest Neighbor' instead of Bicubic. I know its possible to get this to lo...
What is the difference between Elastic Beanstalk and CloudFormation for a .NET project?
...ice for deploying and scaling web applications and services developed with Java, .NET, PHP, Node.js, Python, Ruby, Go, and Docker on familiar servers such as Apache, Nginx, Passenger, and IIS.
You can simply upload your code and Elastic Beanstalk automatically handles the deployment, from capacity p...
In the shell, what does “ 2>&1 ” mean?
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does this make any sense to you, java ... 2&1 >> data.log, I saw one of my colleague did this?
– Thang Pham
Jul 26 '11 at 19:53
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START_STICKY and START_NOT_STICKY
... be restarted until the
alarm goes off.
Example: ServiceStartArguments.java
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Split a module across several files
... lowercase letter in Rust. That's why I use matrix.rs and not Matrix.rs.
2Java's different. You declare the path with package, too. It's redundant. The path is already evident from the source file location in the filesystem. Why repeat this information in a declaration at the top of the file? Of co...
What are Scala context and view bounds?
...most common usage from the library is handling String and Array, which are Java classes, like they were Scala collections. For example:
def f[CC <% Traversable[_]](a: CC, b: CC): CC = if (a.size < b.size) a else b
If one tried to do this without view bounds, the return type of a String woul...
Speed up the loop operation in R
...If you are using for loops, you are most likely coding R as if it was C or Java or something else. R code that is properly vectorised is extremely fast.
Take for example these two simple bits of code to generate a list of 10,000 integers in sequence:
The first code example is how one would code ...