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What is the difference between i++ and ++i?
... i++ or ++i ( i being a number variable like int , float , double , etc). Anyone who knows this?
6 Answers
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What are the disadvantages of using persistent connection in PDO
... (Apache for mod_php, the current FastCGI process if you're using FastCGI, etc), not at the PHP level, and PHP doesn't tell the parent process to let the connection die when the script terminates abnormally.
If the dead script locked tables, those tables will remain locked until the connection dies...
Why am I getting a “401 Unauthorized” error in Maven?
...get a 401 Unauthorized error if you supply the wrong credentials (password etc). You also get an error (and off the top of my head is also a 401) if you try to publish something to a releases repository and that version already exists in the repository. So you might find that by publishing from th...
SQL Server CTE and recursion example
...AS
(
SELECT 1 AS MyColName
-- Or
SELECT MyColName = 1
-- Etc...
)
Q 2) now here about CTE and recursion of employee relation
the moment i add two manager and add few more employee under second manager then problem start.
i want to display first manager detail and in the next ro...
How to structure a express.js application?
... @ErictheRed if you are familiar with the MVC Pattern (rails, Asp.Net mvc, etc) then I consider my Routes to be my controllers and everything kind of falls into place after that. Business logic goes in the models (although I am having difficulties with validation and mongoose). For helpers, I use ...
Why is the .bss segment required?
...mple part of the .data section. But the details vary depending on the o/s etc.
– Jonathan Leffler
Aug 16 '16 at 18:42
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show 14 more commen...
What are the relative strengths and weaknesses of Git, Mercurial, and Bazaar? [closed]
...e familiar with the command-line interfaces of traditional SCMs (CVS, SVN, etc). Win32 is considered a first-class target by its development team. It has a pluggable architecture for different components, and replaces its storage format frequently; this allows them to introduce new features (such as...
What is the proper REST response code for a valid request but an empty data?
... 404:
200 should be returned with the body of whatever you successfully fetched. Not appropriate when the entity you're fetching doesn't exist.
202 is used when the server has begun work on an object but the object isn't fully ready yet. Certainly not the case here. You haven't begun, nor will ...
When should I use a struct rather than a class in C#?
...1 entirely (this is a huge advantage when dealing with things like images, etc) and for pointing out that they are different from "normal objects" and there is know way of knowing this except by existing knowledge or examining the type itself. Also, you can't cast a null value to a struct type :-) T...
Checking in of “commented out” code [closed]
... which compounds frustration, makes checkins something to avoid even more, etc. This is ultimately an attitude thing, not really a process thing. It's easy to put up mental barriers against it; it's easy to find reasons why it won't work, just like it's easy to find reasons not to diet if you don't ...