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In Typescript, How to check if a string is Numeric
...y to convert a string to a number is with Number, not parseFloat.
Number('1234') // 1234
Number('9BX9') // NaN
You can also use the unary plus operator if you like shorthand:
+'1234' // 1234
+'9BX9' // NaN
Be careful when checking against NaN (the operator === and !== don't work as expected wi...
How can I change the color of my prompt in zsh (different from normal text)?
...
not working for me. :( zsh: colors: function definition file not found
– balki
Sep 8 '11 at 4:20
...
Selenium WebDriver: Wait for complex page with JavaScript to load
...with findElement() method is not an option.
I want to create a generic function in Java to wait for a page to load, a possible solution would be:
...
How can I deserialize JSON to a simple Dictionary in ASP.NET?
...
@pilavdzice Not to mention the fun you have when trying to Parse dates as it assumes MS's non-standard date format.
– Basic
Jun 21 '12 at 14:21
...
Setting dynamic scope variables in AngularJs - scope.
...ion I have found is to use $parse.
"Converts Angular expression into a function."
If anyone has a better one please add a new answer to the question!
Here is the example:
var the_string = 'life.meaning';
// Get the model
var model = $parse(the_string);
// Assigns a value to it
model.assign...
Is it possible to have a multi-line comments in R? [duplicate]
...k another time ` # if(FALSE){ ` and ` # } `
– Gabriel123
Sep 6 '17 at 11:20
add a comment
...
How to call Base Class's __init__ method from the child class? [duplicate]
...
123
You could use super(ChildClass, self).__init__()
class BaseClass(object):
def __init__(se...
How do I delete all messages from a single queue using the CLI?
...
123
rabbitmqadmin is the perfect tool for this
rabbitmqadmin purge queue name=name_of_the_queue_t...
How to remove a field completely from a MongoDB document?
... looks like this:
{
name: 'book',
tags: [
{
words: ['abc','123'],
lat: 33,
long: 22
}, {
words: ['def','456'],
lat: 44,
long: 33
}
]
}
To remove the column words from the embedded document, do this:
db.example.update(
{'tags': {'$exists':...
How to toggle a value in Python
...n using itertools
If you have more than two values, the itertools.cycle() function provides a generic fast way to toggle between successive values:
>>> import itertools
>>> toggle = itertools.cycle(['red', 'green', 'blue']).next
>>> toggle()
'red'
>>> toggle()
'...