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PHP Get all subdirectories of a given directory
...
you can use glob() with GLOB_ONLYDIR option
or
$dirs = array_filter(glob('*'), 'is_dir');
print_r( $dirs);
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How to check that an element is in a std::set?
...hout the utility functions below, but doesn't
// work for fixed-length arrays.
//return contains(container.begin(), container.end(), value);
}
template<class T> inline
bool contains(const std::set<T>& container, const T& value)
{
return container.find(value) != conta...
Order of serialized fields using JSON.NET
...my case niaher's solution did not work because it didn't handle objects in arrays.
Based on his solution this is what I came up with
public static class JsonUtility
{
public static string NormalizeJsonString(string json)
{
JToken parsed = JToken.Parse(json);
JToken normali...
How to understand nil vs. empty vs. blank in Ruby
... object and is true if the object is nil.
.empty? can be used on strings, arrays and hashes and returns true if:
String length == 0
Array length == 0
Hash length == 0
Running .empty? on something that is nil will throw a NoMethodError.
That is where .blank? comes in. It is implemented by Rails...
Reading an Excel file in PHP [closed]
...lsx->rows() );
} else {
echo SimpleXLSX::parseError();
}
Output
Array (
[0] => Array
(
[0] => ISBN
[1] => title
[2] => author
[3] => publisher
[4] => ctry
)
[1] => Array
(
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Deleting all files from a folder using PHP?
...lete everything from folder (including subfolders) use this combination of array_map, unlink and glob:
array_map( 'unlink', array_filter((array) glob("path/to/temp/*") ) );
This call can also handle empty directories ( thanks for the tip, @mojuba!)
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Run an OLS regression with Pandas Data Frame
...r suggestions: you can use sm.add_constant to add an intercept to the exog array and use a dict: reg = ols("y ~ x", data=dict(y=y,x=x)).fit()
– javadba
Jul 4 '17 at 22:38
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How to parse a JSON string to an array using Jackson
...String, new TypeReference<List<SomeClass>>() { });
SomeClass[] array = mapper.readValue(jsonString, SomeClass[].class);
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How to use a filter in a controller?
...pe, $filter)
{
$filter('filtername')(arg1,arg2);
}
Where arg1 is the array you want to filter on and arg2 is the object used to filter.
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How does a hash table work?
...orithms) deal with numbers better than with strings. So accessing a large array using an index is significantly much faster than accessing sequentially.
As Simon has mentioned which I believe to be very important is that the hashing part is to transform a large space (of arbitrary length, usually ...