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Are getters and setters poor design? Contradictory advice seen [duplicate]
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Rolling median algorithm in C
...d(x, k)} simply has
\code{y[j] = median(x[(j-k2):(j+k2)])} (k = 2*k2+1), computed very
efficiently.
The two algorithms are internally entirely different:
\describe{
\item{"Turlach"}{is the Härdle-Steiger
algorithm (see Ref.) as implemented by Berwin Turlach.
A tree algorith...
What does “S3 methods” mean in R?
...d objects are. I found that there are S3 and S4 object systems, and some recommend to use S3 over S4 if possible (See Google's R Style Guide at http://google-styleguide.googlecode.com/svn/trunk/google-r-style.html )*. However, I do not know the exact definition of S3 methods/objects.
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How to avoid isset() and empty()
...And empty
IMHO you should think about not just making the app "E_NOTICE compatible", but restructuring the whole thing. Having hundreds of points in your code that regularly try to use non-existent variables sounds like a rather badly structured program. Trying to access non-existent variables sh...
What does Docker add to lxc-tools (the userspace LXC tools)?
... maven, chef, puppet, salt, debian packages, rpms, source tarballs, or any combination of the above, regardless of the configuration of the machines.
Versioning. Docker includes git-like capabilities for tracking successive versions of a container, inspecting the diff between versions, committing ne...
Load and execution sequence of a web page?
... number of simultaneous requests per domain.
Also depending on whether the component has already been cached or not, the component may not be requested again in a near-future request. If the component has been cached, the component will be loaded from the cache instead of the actual URL.
When the pa...
Conveniently Declaring Compile-Time Strings in C++
Being able to create and manipulate strings during compile-time in C++ has several useful applications. Although it is possible to create compile-time strings in C++, the process is very cumbersome, as the string needs to be declared as a variadic sequence of characters, e.g.
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What is Node.js? [closed]
... the impedance mismatch between the two programming environments which can communicate data structures via JSON that work the same on both sides of the equation. Duplicate form validation code can be shared between server and client, etc.
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Using getopts to process long and short command line options
I wish to have long and short forms of command line options invoked using my shell script.
32 Answers
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Spring @Transactional - isolation, propagation
...e to answer.
Propagation
Defines how transactions relate to each other. Common options:
Required: Code will always run in a transaction. Creates a new transaction or reuses one if available.
Requires_new: Code will always run in a new transaction. Suspends the current transaction if one exists....