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What is an abstract class in PHP?
... methods marked abstract in the parent's class declaration must be defined by the child :If you inherit an abstract class you have to provide implementations to all the abstract methods in it.
abstract class AbstractClass
{
// Force Extending class to define this method
abstract protected f...
LD_LIBRARY_PATH vs LIBRARY_PATH
...
LIBRARY_PATH is used by gcc before compilation to search directories containing static and shared libraries that need to be linked to your program.
LD_LIBRARY_PATH is used by your program to search directories containing shared libraries after i...
Add a duration to a moment (moment.js)
... key point in the documentation for .add()
Mutates the original moment by adding time.
You appear to be treating it as a function that returns the immutable result. Easy mistake to make. :)
If you use the return value, it is the same actual object as the one you started with. It's just ret...
How to add 'ON DELETE CASCADE' in ALTER TABLE statement
... where constraint_name = theCons and owner = theOwner
order by position;
firstCol BOOLEAN := TRUE;
begin
-- For each constraint
FOR cons IN (select * from user_constraints
where delete_rule = 'NO ACTION'
and constraint_name not like '%...
Change C++/CLI project to another framework than 4.0 with vs2010
...his shows up when you press F1 in the Framework and References dialog:
By default for new projects, the targeted framework is set to .NET Framework 4. The IDE does not support modifying the targeted framework, but you can change it manually.
In the project file (.vcxproj), the default targeted...
Getting raw SQL query string from PDO prepared statements
...true prepared query. You will circumvent the benefits of prepared queries by interpolating variables into the SQL string before execute().
Re comment from @afilina:
No, the textual SQL query is not combined with the parameters during execution. So there's nothing for PDO to show you.
Internall...
Highlight text similar to grep, but don't filter out text [duplicate]
...ince it's not a character.
(Note that most of the setups will use --color by default. You may not need that flag).
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Debug a java application without starting the JVM with debug arguments
...stances of the software are no configured to launch with jvm debug options by default so we can use the supported method.
– hhafez
Aug 24 '12 at 21:16
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Java heap terminology: young, old and permanent generations?
...ng before a mention. Then in Java 8 permanent generation will get replaced by metaspace (although I'm not sure how different this will really be, other than being unbounded by default)
– Joshua McKinnon
Sep 23 '13 at 18:30
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There is already an open DataReader associated with this Command which must be closed first
... when iterating over the results of some query.
This can be easily solved by allowing MARS in your connection string. Add MultipleActiveResultSets=true to the provider part of your connection string (where Data Source, Initial Catalog, etc. are specified).
...