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Get class name of object as string in Swift
...cribing: type(of: object))). Where object can be an instance variable like array, a dictionary, an Int, a NSDate, etc.
Because NSObject is the root class of most Objective-C class hierarchies, you could try to make an extension for NSObject to get the class name of every subclass of NSObject. Like ...
Bytes of a string in Java
...use to turn it into bytes.
That said, you can turn the string into a byte array and then look at its size as follows:
// The input string for this test
final String string = "Hello World";
// Check length, in characters
System.out.println(string.length()); // prints "11"
// Check encoded sizes
f...
Saving enum from select in Rails 4.1
...ine.colors.to_a.map { |w| [w[0].humanize, w[0]] } because w represented an array. Not sure why, but maybe this will help someone.
– jakealbaugh
Jun 28 '15 at 1:09
...
Why is January month 0 in Java Calendar?
... which is in favour of using 0-based indexes is that it makes things like "arrays of names" easier:
// I "know" there are 12 months
String[] monthNames = new String[12]; // and populate...
String name = monthNames[calendar.get(Calendar.MONTH)];
Of course, this fails as soon as you get a calendar ...
How to store a command in a variable in a shell script?
...t a command in a variable, but the complex cases always fail.
Put it in an array and expand all the words with double-quotes "${arr[@]}" to not let the IFS split the words due to Word Splitting.
cmdArgs=()
cmdArgs=('date' '+%H:%M:%S')
and see the contents of the array inside. The declare -p allows ...
Should I URL-encode POST data?
...d as a urlencoded string like 'para1=val1&para2=val2&...' or as an array with the field name as key and field data as value. If value is an array, the Content-Type header will be set to multipart/form-data. As of PHP 5.2.0, value must be an array if files are passed to this option with the @...
Can we write our own iterator in Java?
...ce Iterable and override the method iterator().
Here's an example of a an ArrayList like class implementing the interface, in which you override the method Iterator().
import java.util.Iterator;
public class SOList<Type> implements Iterable<Type> {
private Type[] arrayList;
p...
Convert tuple to list and back
...amylak)
tuple(itertools.imap(tuple, edited))
You can also use a numpy array:
>>> a = numpy.array(level1)
>>> a
array([[1, 1, 1, 1, 1, 1],
[1, 0, 0, 0, 0, 1],
[1, 0, 0, 0, 0, 1],
[1, 0, 0, 0, 0, 1],
[1, 0, 0, 0, 0, 1],
[1, 1, 1, 1, 1, 1]])
...
get list from pandas dataframe column
...t;class 'list'>
col_one_arr:
[ 1. 2. 3. nan]
type:<class 'numpy.ndarray'>
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Wi-Fi 是什么的缩写 - 程序人生、谈天论地 - 清泛IT论坛，有思想、有深度
...eless fidelity 的存在一定是有某些缘由的（好想在此处正确使用一次高中老师反复强调的“空穴来风”一词啊）。那么罪魁祸首是谁呢？是某个不负责任的科技媒体？还是某次演讲中的无意玩笑？错，制造这一切的正是 Wi-Fi 联盟...