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Editing dictionary values in a foreach loop
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Setting a value in a dictionary updates its internal "version number" - which invalidates the iterator, and any iterator associated with the keys or values collection.
I do see your point, but at the same time it would be odd if the values collection could change ...
Java generics type erasure: when and what happens?
I read about Java's type erasure on Oracle's website .
7 Answers
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Where should signal handlers live in a django project?
... figuring out where I should put them. The documentation from the django site has this to say:
7 Answers
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How to declare variable and use it in the same Oracle SQL script?
I want to write reusable code and need to declare some variables at the beginning and reuse them in the script, such as:
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jQuery - add additional parameters on submit (NOT ajax)
Using jQuery's 'submit' - is there a way to pass additional parameters to a form? I am NOT looking to do this with Ajax - this is normal, refresh-typical form submission.
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How do I add a library project to Android Studio?
...t to add a library via Android Studio creator just check the answer below with visual guide (there are some differences between Android Studio 1.0 and those from screenshots, but the process is very similar).
Before you start adding a library to your project by hand, consider adding the external de...
CSS center text (horizontally and vertically) inside a div block
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If it is one line of text and/or image, then it is easy to do. Just use:
text-align: center;
vertical-align: middle;
line-height: 90px; /* The same as your div height */
That's it. If it can be multiple lines, then it i...
Alternatives to dispatch_get_current_queue() for completion blocks in iOS 6?
...appealing, but ultimately not a great idea. That queue could be a low priority queue, the main queue, or some other queue with odd properties.
My favorite approach to this is to say "the completion block runs on an implementation defined queue with these properties: x, y, z", and let the block disp...
How does Hadoop process records split across block boundaries?
According to the Hadoop - The Definitive Guide
6 Answers
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Refresh Fragment at reload
...b into a TableView inside a Fragment . But when I reload the Fragment it displays the previous data. Can I repopulate the Fragment with current data instead of previous data?
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