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Sort array of objects by string property value
... edited Apr 21 '19 at 14:30
KostasX
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answered Jul 15 '09 at 3:35
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Why does comparing strings using either '==' or 'is' sometimes produce a different result?
... testing. what happens in your code would be emulated in the interpreter like this:
>>> a = 'pub'
>>> b = ''.join(['p', 'u', 'b'])
>>> a == b
True
>>> a is b
False
so, no wonder they're not the same, right?
In other words: is is the id(a) == id(b)
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What is the difference between Serializable and Externalizable in Java?
...objects of your class. No need to implement any other logic, it'll just work. The Java runtime will use reflection to figure out how to marshal and unmarshal your objects.
In earlier version of Java, reflection was very slow, and so serializaing large object graphs (e.g. in client-server RMI applic...
What is the difference between shallow copy, deepcopy and normal assignment operation?
...nly relevant for
compound objects (objects that contain other objects, like lists or
class instances):
A shallow copy constructs a new compound object and then (to the extent possible) inserts references into it to the objects found in the original.
A deep copy constructs a new comp...
Linux equivalent of the Mac OS X “open” command [closed]
...ll open default associated app for your file.
FYI https://portland.freedesktop.org/doc/xdg-open.html
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Case conventions on element names?
...nswered Jul 2 '09 at 15:18
Pete KirkhamPete Kirkham
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Any gotchas using unicode_literals in Python 2.6?
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The main source of problems I've had working with unicode strings is when you mix utf-8 encoded strings with unicode ones.
For example, consider the following scripts.
two.py
# encoding: utf-8
name = 'helló wörld from two'
one.py
# encoding: utf-8
from __fu...
How to import an excel file in to a MySQL database
...rmat. The easiest will probably be a tab-delimited version, but CSV can work as well.
Use the load data capability. See http://dev.mysql.com/doc/refman/5.1/en/load-data.html
Look half way down the page, as it will gives a good example for tab separated data:
FIELDS TERMINATED BY '\t' ENCLOSED BY ''...
How to install node.js as windows service?
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Late to the party, but node-windows will do the trick too.
It also has system logging built in.
There is an API to create scripts from code, i.e.
var Service = require('node-windows').Service;
// Create a new service object
var svc = new Service({
name:'Hello World',...
How can I use 'Not Like' operator in MongoDB
I can use the SQL Like Operator using pymongo ,
2 Answers
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