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Good reasons NOT to use a relational database?
...
HDF supports several different data models, including multidimensional arrays, raster images, and tables.
It's also hierarchical like a file system, but the data is stored in one magic binary file.
HDF5 is a suite that makes possible the management of extremely large and complex data colle...
How can I include a YAML file inside another?
...nserted inside B, either spliced into the existing data structure, like an array, or as a child of an element, like the value for a certain hash key.
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What is the difference between is_a and instanceof?
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An other good reason is when you need use callback in functions. ( like array_map … )
instanceof isn’t a function, it’s a language construct, so you cannot use it as callback.
In thoses cases, is_a may be usefull
s...
How do I write unit tests in PHP? [closed]
...derive tests from
**/
abstract class Testable
{
protected $test_log = array();
/**
* Logs the result of a test. keeps track of results for later inspection, Overridable to log elsewhere.
**/
protected function Log( TestResult $result )
{
$this->test_log[] = $re...
What are the differences between JSON and JSONP?
...om any language or database, that is representable as name-value pairs and arrays. And additional conventions are required to accurately round-trip any JS object - see JSON: Unsupported native data types. Notably, JS Date comes back at far end as a string. weblog.west-wind.com/posts/2014/jan/06/…
...
Javascript split regex question
...egExp('[,;\n]', 'g'));
Finally, you may need to trim the elements in the array:
let elements = rawElements.map(element => element.trim());
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Check if all elements in a list are identical
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Don't forget memory usage analysis for very large arrays, a native solution which optimizes away calls to obj.__eq__ when lhs is rhs, and out-of-order optimizations to allow short circuiting sorted lists more quickly.
– Glenn Maynard
Oc...
Parse a URI String into Name-Value Collection
...url.getQuery())) {
return Collections.emptyMap();
}
return Arrays.stream(url.getQuery().split("&"))
.map(this::splitQueryParameter)
.collect(Collectors.groupingBy(SimpleImmutableEntry::getKey, LinkedHashMap::new, mapping(Map.Entry::getValue, toList())));
}...
Saving interactive Matplotlib figures
... for plain text
files, we recommend numpy.savetxt. For saving numpy arrays,
we recommend numpy.save, and its analog numpy.load, which are
available in pylab as np.save and np.load.
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How to access session variables from any class in ASP.NET?
...ession and pass them to the Class in the form of a name-value collection / Array / List, depending on the case.
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