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When should we implement Serializable interface?
...inal
object(s). The basic mechanisms are to
flatten object(s) into a
one-dimensional stream of bits, and to
turn that stream of bits back into the
original object(s).
Like the Transporter on Star Trek,
it's all about taking something
complicated and turning it into a flat
sequen...
Does anyone beside me just NOT get ASP.NET MVC? [closed]
...in ASP.NET MVC, the Index method for a "Book" object will likely just have one line: "Return View();" Through the magic of MVC, this will send the Book model to the "/View/Books/Index.aspx" page where you'll find code to display Books. Rails's approach is similar although the logic is a bit more e...
how to get the last character of a string?
... and respond based on what it is? The str.charAt() answers are the correct ones.
– gregtczap
Mar 3 '14 at 2:08
6
...
Remove duplicate dict in list in Python
... dictionaries from tuples with dict.
where:
l is the original list
d is one of the dictionaries in the list
t is one of the tuples created from a dictionary
Edit: If you want to preserve ordering, the one-liner above won't work since set won't do that. However, with a few lines of code, you can...
Left Align Cells in UICollectionView
...
For anyone who may have stumbled upon this looking for a center-aligned version as I did, I've posted a modified version of Angel's answer here: stackoverflow.com/a/38254368/2845237
– Alex Koshy
...
SVN checkout ignore folder
...
This is what we ended up doing to skip some pre-built components in a previous job.
– Mark Bessey
Oct 10 '08 at 21:02
2
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Proper MIME media type for PDF files
...on defined in RFC 2045 - Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies.
Private [subtype] values (starting with "X-") may be defined
bilaterally between two cooperating agents without
outside registration or standardization. Such values
cannot ...
Java null check why use == instead of .equals()
In Java I am told that when doing a null check one should use == instead of .equals(). What are the reasons for this?
16 An...
`testl` eax against eax?
...e that edit, and only noticed afterwards. I just looked at this after someone bumped it, and what started as a small edit snowballed into too much. No offence taken that you wanted to roll it back; it was just a suggestion and it definitely reads like my work, not yours. I'll take some of what I ...
How do I get SUM function in MySQL to return '0' if no values are found?
.../www.sqlfiddle.com/#!2/d1542/3/0
More Information:
Given three tables (one with all numbers, one with all nulls, and one with a mixture):
SQL Fiddle
MySQL 5.5.32 Schema Setup:
CREATE TABLE foo
(
id INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
val INT
);
INSERT INTO foo (val) VALUES
(nul...