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How to concatenate properties from multiple JavaScript objects
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Underscore has few methods to do this;
1. _.extend(destination, *sources)
Copy all of the properties in the source objects over to the destination object, and return the destination object.
_.extend(a, _.extend(b, c));
=> {"one" : 1, "two" : 2, "three" : 3, "fo...
Extract only right most n letters from a string
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@JeradRose - I work in a project where the code base evolved from a VB3 application (most of this is VB.NET) so there are some remnants.
– stevehipwell
Jul 14 '14 at 15:22
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How can I escape square brackets in a LIKE clause?
...derscore from a query, so I ended up with this:
WHERE b.[name] not like '\_%' escape '\' -- use \ as the escape character
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What is two way binding?
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And with Firebase comes... 3-way databinding -> View, Model, Database. Just thought that was pretty neat.
– Levi Fuller
Jun 16 '16 at 2:52
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Can you define aliases for imported modules in Python?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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python exception message capturing
...is no longer supported in python 3. Use the following instead.
try:
do_something()
except BaseException as e:
logger.error('Failed to do something: ' + str(e))
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django - why is the request.POST object immutable?
...QueryDict class, which implements a full set of mutation methods including __setitem__, __delitem__, pop and clear. It implements immutability by checking a flag when you call one of the mutation methods. And when you call the copy method you get another QueryDict instance with the mutable flag turn...
Static nested class in Java, why?
... with it being static, and then decide if it really needs to be non-static based on your usage.
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What is the volatile keyword useful for?
... volatile:
public class Singleton {
private static volatile Singleton _instance; // volatile variable
public static Singleton getInstance() {
if (_instance == null) {
synchronized (Singleton.class) {
if (_instance == null)
_instance = ...
Render a variable as HTML in EJS
...ring the textarea input from from a wysiwyg editor saved as html in my database. The browser will not render it but displayed the html as text. After hours of searching, I found out
<%= data %> escaped data while
<%- data %>left data 'raw'(unescaped) and the browser could now render i...