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What does -> mean in Python function definitions?
...to attach a metadata string to various types of object. This is amazingly handy, so Python 3 extends the feature by allowing you to attach metadata to functions describing their parameters and return values.
There's no preconceived use case, but the PEP suggests several. One very handy one is to al...
Real life trading API [closed]
...ems -- see this.
Also, this is something that the exchange has to support and your broker has to allow. Most exchanges I know of, do not allow automated trading without prior permission.
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What's the meaning of exception code “EXC_I386_GPFLT”?
...ut of memory bounds, but it could be that your code is going out of bounds and causing bad code/data to be used in a way that makes for an protection violation of some sort.
Unfortunately it can be hard to figure out exactly what the problem is without more context, there are 27 different causes l...
How do you do a limit query in JPQL or HQL?
... HQL parser would replace the bits of the query that it recognised as HQL, and leave the rest as it was, so you could sneak in some native SQL. Hibernate 3, however, has a proper AST HQL Parser, and it's a lot less forgiving.
I think Query.setMaxResults() really is your only option.
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WPF TextBox won't fill in StackPanel
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I've had the same problem with StackPanel, and the behavior is "by design". StackPanel is meant for "stacking" things even outside the visible region, so it won't allow you to fill remaining space in the stacking dimension.
You can use a DockPanel with LastChildFill...
How to change color of SVG image using CSS (jQuery SVG image replacement)?
This is a self Q&A of a handy piece of code I came up with.
17 Answers
17
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How do I change the background color of the ActionBar of an ActionBarActivity using XML?
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As per documentation - "You can control the behaviors and visibility of the action bar with the ActionBar APIs, which were added in Android 3.0 (API level 11)."
So, ActionBar will not work for your target environment which is at API level 10 (Android 2.3.3).
Just in case, if y...
$.focus() not working
... focus from the dev console. If you run the following code in your console and then quickly click in your browser window after, you will see it focus the search box:
setTimeout(function() { $('input[name="q"]').focus() }, 3000);
As for your other one, the one thing that has given me trouble in th...
Relative paths in Python
... the interactive interpreter
>>> import foo
/Users/jason
foo.py
#and finally, at the shell:
~ % python foo.py
/Users/jason
foo.py
However, I do know that there are some quirks with __file__ on C extensions. For example, I can do this on my Mac:
>>> import collections #note tha...
HTML/CSS: Make a div “invisible” to clicks?
...ct it). Would it be possible to simply make this div "invisible" to clicks and other mouse events?
5 Answers
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