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map function for objects (instead of arrays)
... of obj1 sit on the 'prototype' of obj2
console.log(obj2) // Prints: obj2.__proto__ = { 'a': 1, 'b': 2, 'c': 3}
console.log(Object.keys(obj2)); // Prints: an empty Array.
for (key in obj2) {
console.log(key); // Prints: 'a', 'b', 'c'
}
jsbin
However, please do me a favor and av...
How do I get a Cron like scheduler in Python? [closed]
... suppose this code is in scheduler.py. will this code run automatically ?
– Kishan Mehta
Mar 6 '17 at 11:40
31
...
Rails Object to hash
...ly attributes, then you can get them by:
@post.attributes
Note that this calls ActiveModel::AttributeSet.to_hash every time you invoke it, so if you need to access the hash multiple times you should cache it in a local variable:
attribs = @post.attributes
...
Incrementing in C++ - When to use x++ or ++x?
... i.e., x++ or ++x should only exist on its own line, never as y=x++. Personally, I don't like this, but it's uncommon
– Mikeage
Nov 28 '09 at 16:54
2
...
How to create “No Activate” form in Firemonkey
...form.Caption));
if hWin <> 0 then
SetWindowLong(hWin, GWL_EXSTYLE,
GetWindowLong(hWin, GWL_EXSTYLE) or WS_EX_NOACTIVATE);
end;
{$ENDIF}
destructor TNoActivateForm.Destroy;
{$IFDEF POSIX}
begin
panel.release;
end;
{$ELSE}
begin
end;
{$ENDIF}
procedure TNoActivateFo...
ImportError: No module named pip
...
After installing ez_setup, you should have easy_install available. To install pip just do:
easy_install pip
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...
Get current domain
...e, this gives me a point to continue looking from, but by itself this is really not a good answer...
– Jasper
Oct 27 '15 at 13:35
4
...
Flask-SQLAlchemy import/context issue
...:
# fields here
pass
And then in your application setup you can call init_app:
# apps.application.py
from flask import Flask
from apps.members.models import db
app = Flask(__name__)
# later on
db.init_app(app)
This way you can avoid cyclical imports.
This pattern does not necessitate ...
What are the precise rules for when you can omit parenthesis, dots, braces, = (functions), etc.?
...can omit dot when using the prefix, infix and postfix notations -- the so called operator notation. While using the operator notation, and only then, you can omit the parenthesis if there is less than two parameters passed to the method.
Now, the operator notation is a notation for method-call, whi...
How to access and test an internal (non-exports) function in a node.js module?
... This should absolutely be the top answer. It does not require rewriting all existing modules with NODE_ENV specific exports, nor does it involve reading in the module as text.
– Adam Yost
Jul 22 '15 at 16:00
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