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How to get the size of a string in Python?
...
If you are talking about the length of the string, you can use len():
>>> s = 'please answer my question'
>>> len(s) # number of characters in s
25
If you need the size of the string in bytes, you need s...
Real mouse position in canvas [duplicate]
... mouse over a HTML5 canvas, but the only way that it seems to work well is if the canvas is in the position 0,0 (upper left corner) if I change the canvas position, for some reason it doesn't draw like it should. Here is my code.
...
Python: One Try Multiple Except
...ception:
handle_second_one()
except (ThirdException, FourthException, FifthException) as e:
handle_either_of_3rd_4th_or_5th()
except Exception:
handle_all_other_exceptions()
See: http://docs.python.org/tutorial/errors.html
The "as" keyword is used to assign the error to a variable so ...
RVM is not a function, selecting rubies with 'rvm use …' will not work
... is not running as a login shell and hence have no access to rvm function. If you are running Ubuntu, you can:
Open console
Select Edit -> Profile Preferences
Select tab: Title and Command
Check box 'Run command as a login shell'
Restart terminal
...
AngularJS : How do I switch views from a controller function?
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In order to switch between different views, you could directly change the window.location (using the $location service!) in
index.html file
<div ng-controller="Cntrl">
<div ng-click="changeView('edit')">
edit
<...
How to generate an openSSL key using a passphrase from the command line?
First - what happens if I don't give a passphrase? Is some sort of pseudo random phrase used? I'm just looking for something "good enough" to keep casual hackers at bay.
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Pry: show me the stack
...ject name to filter out all the irrelevant rails stack items. For example, if my project name were archie I'd use:
caller.select {|line| line.include? "archie" }
Which gives me the stack trace I'm looking for.
A shorter way would be:
caller.select {|x| x["archie"] }
Which works just as well.
...
How to index characters in a Golang string?
...ters. Strings behave like slices of bytes. A rune is an integer value identifying a Unicode code point. Therefore,
package main
import "fmt"
func main() {
fmt.Println(string("Hello"[1])) // ASCII only
fmt.Println(string([]rune("Hello, 世界")[1])) // UTF-8
fmt.Println(st...
Async/Await vs Threads
In .Net 4.5 Microsoft has added the new Async/Await feature to simplify asynchronous coding. However, I wonder
3 Answers...
Can I write a CSS selector selecting elements NOT having a certain class or attribute?
...ntable) {
/* Styles */
}
:not([attribute]) {
/* Styles */
}
But if you need better browser support (IE8 and older don't support :not()), you're probably better off creating style rules for elements that do have the "printable" class. If even that isn't feasible despite what you say about ...