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Set ImageView width and height programmatically?
...ght of the ImageView:
imageView.getLayoutParams().height = 20;
Important. If you're setting the height after the layout has already been 'laid out', make sure you also call:
imageView.requestLayout();
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How to fallback to local stylesheet (not script) if CDN fails
...on a CDN and would like to fall back to my local version of the stylesheet if the CDN fails. For scripts the solution is well known:
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With MySQL, how can I generate a column containing the record index in a table?
...but you'd normally use it to reference attributes of the derived table, as if it was a real table.
– Daniel Vassallo
Feb 27 '12 at 23:05
20
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How to suppress scientific notation when printing float values?
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I suggest clarifying your statement to say, "you manage the display of precision yourself." The actual (Python internal) precision isn't changed, as is often done in other languages.
– JS.
Aug 22 '12...
Call a function from another file?
...'s core modules, so I suggest you change the name of your file.
Note that if you're trying to import functions from a.py to a file called b.py, you will need to make sure that a.py and b.py are in the same directory.
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How to dynamically create generic C# object using reflection? [duplicate]
...with backtick1 for the name of the generic class, see this article.
Note: if your generic class accepts multiple types, you must include the commas when you omit the type names, for example:
Type type = typeof(IReadOnlyDictionary<,>);
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Using NumberPicker Widget with Strings
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@ArulxZ If you haven't already figured this out, just call picker.setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS); to prevent the keyboard from popping up.
– Karim Varela
Jun 1 '15 ...
How to randomly pick an element from an array
...me you run the function: the random generator is supposed to have history. If it haven't, it's extremely predictable. It's not a problem at all in this case — but it should be mentioned that array[(int)(System.currentTimeMillis() % array.length)] is just as good as the proposed solution.
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Picking a random element from a set
...ize = myHashSet.size();
int item = new Random().nextInt(size); // In real life, the Random object should be rather more shared than this
int i = 0;
for(Object obj : myhashSet)
{
if (i == item)
return obj;
i++;
}
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How to divide flask app into multiple py files?
...me__)
app.register_blueprint(simple_page)
Blueprints can also bundle specific resources: templates or static files. Please refer to the Flask docs for all the details.
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