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How can I check if a var is a string in JavaScript?
How can I check if a var is a string in JavaScript?
7 Answers
7
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Extract traceback info from an exception object
...
A way to get traceback as a string from an exception object in Python 3:
import traceback
# `e` is an exception object that you get from somewhere
traceback_str = ''.join(traceback.format_tb(e.__traceback__))
traceback.format_tb(...) returns a list ...
Is there an easy way to add a border to the top and bottom of an Android View?
... to do them with the Shape drawable, which isn't very powerful.
Option 4: Extra views
I forgot to mention this really simple option if you only want borders above and below your view. You can put your view in a vertical LinearLayout (if it isn't already) and then add empty Views above and below it...
What does = +_ mean in JavaScript
... to converts it into a number, if it isn't
already. [...] It can convert string representations of integers and
floats, as well as the non-string values true, false, and null.
Integers in both decimal and hexadecimal ("0x"-prefixed) formats are
supported. Negative numbers are supported (thou...
How can I find script's directory with Python? [duplicate]
...ehaviour as, that python command does not exist within a file but inside a string which you pass to the interpreter
– Har
Apr 14 '15 at 8:15
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Create an array with same element repeated multiple times
...ate (05/11/2019):
Another way, without using fill or from, that works for string of any length:
Array.apply(null, Array(3)).map(_ => 'abc') // ['abc', 'abc', 'abc']
Same as above answer. Adding for sake of completeness.
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How to determine a Python variable's type?
... whole list of information about the object including the type and the doc string for the type.
e.g.
In [9]: var = 123
In [10]: var?
Type: int
Base Class: <type 'int'>
String Form: 123
Namespace: Interactive
Docstring:
int(x[, base]) -> integer
Convert a string or number ...
ObservableCollection not noticing when Item in it changes (even with INotifyPropertyChanged)
...nged.</param>
public ItemPropertyChangedEventArgs(int index, string name) : base(name)
{
CollectionIndex = index;
}
/// <summary>
/// Initializes a new instance of the <see cref="ItemPropertyChangedEventArgs"/> class.
///...
android get all contacts
...get all the names of the contacts in my Android and put them into array of strings?
8 Answers
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Learning Python from Ruby; Differences and Similarities
...rate using multiple indexes. For example, to find all the palindromes in a string (assuming you have a function p() that returns true for palindromes), all you need is a single list comprehension:
s = 'string-with-palindromes-like-abbalabba'
l = len(s)
[s[x:y] for x in range(l) for y in range(x,l+1...