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How to remove the arrow from a select element in Firefox
...uch help, I thought it was about time I give something back.
I have only tested it in firefox (mac) version 18, and then 22 (after I updated).
All feedback is welcome.
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For..In loops in JavaScript - key value pairs
...ly or with Babel (js compiler) then you could do the following:
const test = {a: 1, b: 2, c: 3};
for (const [key, value] of Object.entries(test)) {
console.log(key, value);
}
Which will print out this output:
a 1
b 2
c 3
The Object.entries() method returns an array of a given o...
Controlling mouse with Python
...
Tested on WinXP, Python 2.6 (3.x also tested) after installing pywin32 (pywin32-214.win32-py2.6.exe in my case):
import win32api, win32con
def click(x,y):
win32api.SetCursorPos((x,y))
win32api.mouse_event(win32con.MO...
Which browsers support ?
...here: http://wiki.whatwg.org/wiki/Dynamic_Script_Execution_Order
Also, to test if a browser supports the new dynamic async property behavior: http://test.getify.com/test-async/
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Check list of words in another string [duplicate]
...
If your list of words is of substantial length, and you need to do this test many times, it may be worth converting the list to a set and using set intersection to test (with the added benefit that you wil get the actual words that are in both lists):
>>> long_word_list = 'some one long...
Error: «Could not load type MvcApplication»
...evious version of the project which had a different name. So the namespace Test should have been namespace Test.WebUI. A silly mistake of course and am a bit embarrassed to write this! But writing in the hope that a similar error from anyone else may lead him to check this trivial aspect as well.
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How to check if a variable is not null?
...
Here is how you can test if a variable is not NULL:
if (myVar !== null) {...}
the block will be executed if myVar is not null.. it will be executed if myVar is undefined or false or 0 or NaN or anything else..
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Best way to store date/time in mongodb
...JavaScript Date objects, which map onto BSON native Date objects.
> db.test.insert({date: ISODate()})
> db.test.insert({date: new Date()})
> db.test.find()
{ "_id" : ObjectId("..."), "date" : ISODate("2014-02-10T10:50:42.389Z") }
{ "_id" : ObjectId("..."), "date" : ISODate("2014-02-10T10:5...
How can I check for “undefined” in JavaScript? [duplicate]
What is the most appropriate way to test if a variable is undefined in JavaScript?
16 Answers
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Ruby Regexp group matching, assign variables on 1 line
...omething like this:
#!/usr/bin/env ruby
string = "RyanOnRails: This is a test"
one, two, three = string.match(/(^.*)(:)(.*)/i).captures
p one #=> "RyanOnRails"
p two #=> ":"
p three #=> " This is a test"
Be aware that if no match is found, String#match will return nil, so something...