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Naming conventions for java methods that return boolean(No question mark)
...thod/function names in other languages. Java doesn't let me do this. As a workaround how else can I name boolean returning methods in Java? Using an is , has , should , can in the front of a method sound okay for some cases. Is there a better way to name such methods?
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Difference between .on('click') vs .click()
...erence is in usage patterns.
I would prefer .on over .click because the former can use less memory and work for dynamically added elements.
Consider the following html:
<html>
<button id="add">Add new</button>
<div id="container">
<button class="alert"&...
How to fix the datetime2 out-of-range conversion error using DbContext and SetInitializer?
I'm using the DbContext and Code First APIs introduced with Entity Framework 4.1.
14 Answers
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What are detached, persistent and transient objects in hibernate?
...stance will become a detached instance: it isn't attached to a Session anymore (but can still be modified and reattached to a new Session later though).
All this is clearly explained in the whole Chapter 10. Working with objects of the Hibernate documentation that I'm only paraphrasing above. Defin...
Programmatically generate video or animated GIF in Python?
... I want to create a video from. Ideally I could specify a frame duration for each frame but a fixed frame rate would be fine too. I'm doing this in wxPython, so I can render to a wxDC or I can save the images to files, like PNG. Is there a Python library that will allow me to create either a vide...
Using smart pointers for class members
... and I think I do understand how unique_ptr and shared_ptr / weak_ptr work in general. What I don't understand is the real usage. It seems like everybody recommends using unique_ptr as the way to go almost all the time. But how would I implement something like this:
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Multi-Line Comments in Ruby?
...tiline comments.
The =begin and =end must be at the beginning of the line or
it will be a syntax error.
=end
puts "Hello world!"
<<-DOC
Also, you could create a docstring.
which...
DOC
puts "Hello world!"
"..is kinda ugly and creates
a String instance, but I know one guy
with a Smalltalk ...
How can I list ALL DNS records?
Is there any way I can list ALL DNS records for a domain?
8 Answers
8
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Why would I make() or new()?
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Go has multiple ways of memory allocation and value initialization:
&T{...}, &someLocalVar, new, make
Allocation can also happen when creating composite literals.
new can be used to allocate values such as integers, &int is illegal:
n...
What is the canonical way to trim a string in Ruby without creating a new string?
This is what I have now - which looks too verbose for the work it is doing.
9 Answers
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