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Copying a HashMap in Java
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I don't have access to the HashMap in the base class. Again, I have to work with classes derived from the base. I cannot access the HashMap in it.
– user691305
Apr 10 '12 at 13:24
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Pointer vs. Reference
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What about polymorphism (e.g. Base* b = new Derived())? This seems like a case that can't be handled without pointers.
– Chris Redford
Mar 7 '13 at 19:25
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Does R have an assert statement as in python?
...E){
warning("error message to print")
}
These are both provided by base R and require no packages to run or include in writing your own functions. I prefer this approach to write code with fewer dependancies and this syntax is widely used in package development. However, similar functionalit...
How can a Metro app in Windows 8 communicate with a backend desktop app on the same machine?
... mind that you can't use synchronous WCF in Metro. You'll have to use Task-based wrapper which is only asynchronous.
And thank you for you question. I was good starting point for me :)
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impr...
Generate random int value from 3 to 6
...) % 6) + 1
3 through 6
SELECT ABS(CHECKSUM(NEWID()) % 4) + 3
Dynamic (Based on Eilert Hjelmeseths Comment)
SELECT ABS(CHECKSUM(NEWID()) % (@max - @min + 1)) + @min
Updated based on comments:
NEWID generates random string (for each row in return)
CHECKSUM takes value of string and creates...
Difference between filter and filter_by in SQLAlchemy
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When using get case its important that object can be returned without database request from identity map which can be used as cache(associated with transaction)
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How to change progress bar's progress color in Android
...a layer-list (although I'm guessing that you are building the progress bar based on several layers..). In case I do want to use the XML you've attached - where should I place the it in the project's folder and is there anything more I need to do for creating a progress bar based on the XML settings...
jQuery change input text value
...put[type=text].sitebg').val('000000');
EDIT:
do this to find your input based on the name attribute:
$('input[name=sitebg]').val('000000');
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How to update two tables in one statement in SQL Server 2005?
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@unknown: Based on your comment, you would need to join across both Table1 and Table2 when you update Table2 if your update query needs the keys from a third table. Regardless of that, you still need to do two separate updates.
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Implementing IDisposable correctly
...Below example elaborate all above.
public class DisposeExample
{
// A base class that implements IDisposable.
// By implementing IDisposable, you are announcing that
// instances of this type allocate scarce resources.
public class MyResource: IDisposable
{
// Pointer...