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Can Android do peer-to-peer ad-hoc networking?
... For example, I would like to have one phone broadcast a message, and have all peers in the network receive the broadcast, without having a server. I would like to use wifi since bluetooth range is more limited.
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How do I convert a Django QuerySet into list of dicts?
...;> Blog.objects.values()
[{'id': 1, 'name': 'Beatles Blog', 'tagline': 'All the latest Beatles news.'}],
>>> Blog.objects.values('id', 'name')
[{'id': 1, 'name': 'Beatles Blog'}]
Note: the result is a QuerySet which mostly behaves like a list, but isn't actually an instance of list. Us...
SQLAlchemy ORDER BY DESCENDING?
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This is a potentially brittle workaround where a workaround is not needed.
– BlueBomber
Jun 25 '13 at 14:41
13
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EF Code First “Invalid column name 'Discriminator'” but no inheritance
I have a table in my database called SEntries (see below the CREATE TABLE statement). It has a primary key, a couple of foreign keys and nothing special about it. I have many tables in my database similar to that one, but for some reason, this table ended up with a "Discriminator" column on the EF P...
Really Cheap Command-Line Option Parsing in Ruby
...m afraid. When you look at the alternatives: [1] [2] [3], for what is basically just processing a simple string array (no really, let that sink in), you can't help but wonder WHY? What do you gain from all that bloat? This is not C, where strings are, "problematic". Of course to each his own. :)
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Number of visitors on a specific page
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Go to Behavior > Site Content > All Pages and put your URI into the search box.
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What do
...hat they're subclasses of a generic function type (From) => To, but that's all it says. Um, what? Maybe there's documentation somewhere, but search engines don't handle "names" like "
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Comparing two collections for equality irrespective of the order of items in them
...WriteLine(comp.Equals(new[] {"a","b","c"}, new[] {"a","b"})); //false
Finally, you can use your an equality comparer of your choice:
var strcomp = new MultiSetComparer<string>(StringComparer.OrdinalIgnoreCase);
Console.WriteLine(strcomp.Equals(new[] {"a", "b"}, new []{"B", "A"})); //true
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Any reason to write the “private” keyword in C#?
... the defaults, as per your question (I've never liked this argument, personally, but I figured it's worth mentioning)
It gives an impression that you've deliberately decided to make it private, rather than just gone with the defaults.
As for your last part:
Moreover is there a case where writi...
How does JavaScript handle AJAX responses in the background?
...avaScript runs in a single thread, after an AJAX request is made, what actually happens in the background? I would like to get a deeper insight into this, can anyone shed some light?
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