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How to compare arrays in JavaScript?
...se;
}
}
return true;
}
// Hide method from for-in loops
Object.defineProperty(Array.prototype, "equals", {enumerable: false});
Usage:
[1, 2, [3, 4]].equals([1, 2, [3, 2]]) === false;
[1, "2,3"].equals([1, 2, 3]) === false;
[1, 2, [3, 4]].equals([1, 2, [3, 4]]) =...
Typical AngularJS workflow and project structure (with Python Flask)
... you'll want to focus on using Angular client-side templates and stay away from server-side templates. Using render_template('index.html') will cause Flask to interpret your angular templates as jinja templates, so they won't render correctly. Instead, you'll want to do the following:
@app.route("/...
Executing periodic actions in Python [duplicate]
...o precision of the time module (unlike several of the solutions I've tried from stack exchange).
Note: for Python 2.x, replace next(g) below with g.next().
import time
def do_every(period,f,*args):
def g_tick():
t = time.time()
while True:
t += period
yie...
How do you delete an ActiveRecord object?
... 'value') will allow you to delete records
without a primary key
Note: from @hammady's comment, user.destroy won't work if User model has no primary key.
Note 2: From @pavel-chuchuva's comment, destroy_all with conditions and delete_all with conditions has been deprecated in Rails 5.1 - see gui...
How does inline Javascript (in HTML) work?
... use the variable event to retrieve the event (and the originating element from it via event.target), from my inline JS snippet! Cool.
– Steven Lu
May 15 '12 at 20:03
...
Exception.Message vs Exception.ToString()
...ve a much more verbose output, containing the exception type, the message (from before), a stack trace, and all of these things again for nested/inner exceptions. More precisely, the method returns the following:
ToString returns a representation of the current exception that is intended to be unde...
How to convert timestamps to dates in Bash?
...script that converts a Unix timestamp to a date. The input can come either from the first parameter or from stdin, allowing for the following usage patterns:
...
Disabling swap files creation in vim
...
To disable swap files from within vim, type
:set noswapfile
To disable swap files permanently, add the below to your ~/.vimrc file
set noswapfile
For more details see the Vim docs on swapfile
...
What is the difference between Swing and AWT?
...ross platforms - for instance, they may try to make calls into native code from Java.
Because AWT uses native GUI widgets, your OS knows about them and handles putting them in front of each other, etc., whereas Swing widgets are meaningless pixels within a window from your OS's point of view. Swing...
How can I measure the actual memory usage of an application or process?
...
Doesn't exist on OSX (for anyone who comes here from google)
– jcollum
Mar 30 '16 at 15:44
3
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