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How to create a multi-tenant database with shared table structures?
....
How many prospective tenants do you expect to target? You may be nowhere
near being able to estimate
prospective use with authority, but
think in terms of orders of magnitude:
are you building an application for
hundreds of tenants? Thousands? Tens
of thousands? More? The large...
How does the getView() method work when creating your own custom adapter?
... one. You see, getView() is called everytime an item in the list is drawn. Now, before the item can be drawn, it has to be created. Now convertView basically is the last used view to draw an item. In getView() you inflate the xml first and then use findByViewID() to get the various UI elements of th...
How to use classes from .jar files?
...
Not every jar file is executable.
Now, you need to import the classes, which are there under the jar, in your java file. For example,
import org.xml.sax.SAXException;
If you are working on an IDE, then you should refer its documentation. Or at least specif...
How to generate Class Diagram (UML) on Android Studio (IntelliJ Idea)
...leUML jar from here https://plugins.jetbrains.com/plugin/4946-simpleumlce
Now follow the below steps.
Step 1:
Click on File and go to Settings (File → Settings)
Step 2
Select Plugins from Left Panel and click Install plugin from disk
Step 3:
Locate the SimpleUML jar file and select ...
Generator Expressions vs. List Comprehension
...
I know this is old, but I think it's worth noting that generators (and any iterable) can be added to lists with extend: a = [1, 2, 3] b = [4, 5, 6] a.extend(b) -- a will now be [1, 2, 3, 4, 5, 6]. (Can you add newlines in commen...
Redirect stderr and stdout in Bash
... 2>&1
echo "This line will appear in $LOG_FILE, not 'on screen'"
Now, simple echo will write to $LOG_FILE. Useful for daemonizing.
To the author of the original post,
It depends what you need to achieve. If you just need to redirect in/out of a command you call from your script, the answ...
When should I use the Visitor Design Pattern? [closed]
...
(Suppose it is a complex hierarchy with a well-established interface.)
Now we want to add a new operation to the hierarchy, namely we want each animal to make its sound. As far as the hierarchy is this simple, you can do it with straight polymorphism:
class Animal
{ public: virtual void makeSou...
Android: textColor of disabled button in selector not showing?
...ce guy edited it to color but forgot to update it to @color in buttyStyle. Now its updated.
– Adil Soomro
May 15 '13 at 9:40
5
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git: Switch branch and ignore any changes without committing
...bsentmindedly made minor changes to the code that are not worth keeping. I now want to change branches, but git gives me,
1...
difference between variables inside and outside of __init__()
...e I could access both kind of variables through the self reference. It was now, when I ran into trouble, that I researched the topic and cleared it up.
The problem with accessing static class variables through the
self reference is that it only references the static class variable if there is no i...