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To Workflow or Not to Workflow?
...nd/or business rules can change. WF allows to isolate workflow in separate file and so making it configurable by users will be simpler.
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Validate decimal numbers in JavaScript - IsNumeric()
...g containing a numeric value (I had to consider also exponential notation, etc.), a Number object, virtually anything could be passed to that function, I couldn't make any type assumptions, taking care of type coercion (eg. +true == 1; but true shouldn't be considered as "numeric").
I think is wor...
Does Java support default parameter values?
...atic factory methods like in the above case buildFreshman(), buildSenior() etc
– Abhijeet Kushe
Aug 16 '15 at 22:00
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MyISAM versus InnoDB [closed]
...nges, it records the data before the transactions into a system tablespace file called ibdata1. If there is a crash, InnoDB would autorecover through the replay of those logs.
FULLTEXT Indexing
InnoDB does not support FULLTEXT indexing until MySQL version 5.6.4. As of the writing of this post, man...
Difference between onStart() and onResume()
...E: I've deliberately left out the calls to things like super.onCreate(...) etc. This is pseudo-code so give me some artistic licence here. ;)
The methods for DriveToWorkActivity follow...
protected void onCreate(...) {
openGarageDoor();
unlockCarAndGetIn();
closeCarDoorAndPutOnSeatBelt...
Factory Pattern. When to use factory methods?
...one, you need to know a lot of stuff - benefits, eligibility verification, etc. But the person hiring doesn't need to know any of this - the hiring agency handles all of that.
In the same way, using a Factory allows the consumer to create new objects without having to know the details of how they...
Why would anybody use C over C++? [closed]
...ot just about the compiler, but all the support tools, coverage, analysis, etc)
Your target developers are C gurus
You're writing drivers, kernels, or other low level code
You know the C++ compiler isn't good at optimizing the kind of code you need to write
Your app not only doesn't lend itself to b...
How to RedirectToAction in ASP.NET MVC without losing request data
..." action you can go:
public ActionResult Form()
{
/* Declare viewData etc. */
if (TempData["form"] != null)
{
/* Cast TempData["form"] to
System.Collections.Specialized.NameValueCollection
and use it */
}
return View("Form", viewData);
}
...
Is there any difference between GROUP BY and DISTINCT
....
Here are the most important operations:
FROM (including JOIN, APPLY, etc.)
WHERE
GROUP BY (can remove duplicates)
Aggregations
HAVING
Window functions
SELECT
DISTINCT (can remove duplicates)
UNION, INTERSECT, EXCEPT (can remove duplicates)
ORDER BY
OFFSET
LIMIT
As you can see, the logical or...
Windows threading: _beginthread vs _beginthreadex vs CreateThread C++
...o perform it's own thread initialization (setting up thread local storage, etc.).
In practice, this means that CreateThread() should pretty much never be used directly by your code.
The MSDN documents for _beginthread()/_beginthreadex() have quite a bit of detail on the differences - one of the mo...