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Getting the count of unique values in a column in bash
...r each line of the combined input files
* Split the line into the @Fields array
* For every column, increment the result array-of-hashes data structure
In the top-level for loop:
* Loop over the result array
* Print the column number
* Get the values used in that column
* Sort the values by...
Selecting with complex criteria from pandas.DataFrame
...
>>> df.loc[(df["B"] > 50) & (df["C"] == 900), "A"].values
array([5, 8], dtype=int64)
>>> df.loc[(df["B"] > 50) & (df["C"] == 900), "A"] *= 1000
>>> df
A B C
0 9 40 300
1 9 70 700
2 5000 70 900
3 8000 80 900
4 7 50 200
5 ...
How to get whole and decimal part of a number?
...$negative = -1;
$number *= -1;
}
if ($returnUnsigned){
return array(
floor($number),
($number - floor($number))
);
}
return array(
floor($number) * $negative,
($number - floor($number)) * $negative
);
}
The $returnUnsigned stops it from making -1.25 in t...
Test if object implements interface
...omeOtherType) )
{
}
I think this is much neater than looking through the array returned by GetInterfaces and has the advantage of working for classes as well.
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Is it possible to get element from HashMap by its position?
...hMap and when you need to retrieve by position, convert the values into an ArrayList.
LinkedHashMap<String,String> linkedHashMap = new LinkedHashMap<String,String>();
/* Populate */
linkedHashMap.put("key0","value0");
linkedHashMap.put("key1","value1");
linkedHashMap.put("key2","value2"...
Iterate through pairs of items in a Python list [duplicate]
...rs is that this does not require random access into a stream of data (i.e. array access); rather, it only needs to ingest each item once, and caches it for the next evaluation. So if you have, say, a Twitter firehose, you don't ever need to read the firehose into a gigantic (perhaps infinite-length)...
How to get URL of current page in PHP [duplicate]
...REQUEST_URI']
For more details on what info is available in the $_SERVER array, see the PHP manual page for it.
If you also need the query string (the bit after the ? in a URL), that part is in this variable:
$_SERVER['QUERY_STRING']
...
Sort Go map values by keys
...
wait slices are parts of an array. How do I make a slice of only the keys in the map?
– gramme.ninja
Apr 28 '14 at 1:04
1
...
Convert JS object to JSON string
...cer, space)
value any JavaScript value, usually an object or array.
replacer an optional parameter that determines how object
values are stringified for objects. It can be a
function or an array of strings.
space an optio...
Clear icon inside input text
... require JavaScript:
Option 1 - Always display the 'x': (example here)
Array.prototype.forEach.call(document.querySelectorAll('.clearable-input>[data-clear-input]'), function(el) {
el.addEventListener('click', function(e) {
e.target.previousElementSibling.value = '';
});
});
.clearab...