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How do I list the symbols in a .so file
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Note that readelf -Ws will show you all symbols, and nm -g shows only the externally visible symbols. This may be confusing if you are examining multiple symbol files and start interchanging your commands.
– Andrew B
May 2...
How do you serialize a model instance in Django?
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You can easily use a list to wrap the required object and that's all what django serializers need to correctly serialize it, eg.:
from django.core import serializers
# assuming obj is a model instance
serialized_obj = serializers.serialize('json', [ obj, ])
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Loop backwards using indices in Python?
... This is better than the accepted answer since it doesn't actually allocate all the numbers in memory (in Python 3 the accepted answer wouldn't either), plus it's more obvious what is happening.
– Blixt
Mar 23 '12 at 13:52
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create a trusted self-signed SSL cert for localhost (for use with Express/Node)
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Shortest way.
Tested on MacOS, but may work similarly on other OS.
Generate pem
> openssl req -x509 -newkey rsa:2048 -keyout keytmp.pem -out cert.pem -days 365
> openssl rsa -in keytmp.pem -out key.pem
Your express ser...
C# operator overload for `+=`?
...nguage has its own operators list, which are compiled in a special method calls, and CLR itself doesn't know anything about operators. So let's see what exactly stays behind the + and += operators.
See this simple code:
Decimal d = 10M;
d = d + 10M;
Console.WriteLine(d);
Let view the IL-code for...
How do I generate random numbers in Dart?
... = 0; i < 10; i++) {
print(rng.nextInt(100));
}
}
This code was tested with the Dart VM and dart2js, as of the time of this writing.
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How can I get the current screen orientation?
...lues ORIENTATION_PORTRAIT and ORIENTATION_LANDSCAPE. Is there a way to get all the four values from ActivityInfo? (That is LANDSCAPE_REVERSE and PORTRAIT_REVERSE as well)
– HRJ
May 4 '11 at 9:56
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ruby 1.9: invalid byte sequence in UTF-8
...ve tried all of the above solution, none of them work String that used in testing "fdsfdsf dfsf sfds fs sdf <div>hello<p>fooo??? {!@#$%^&*()_+}</p></div> \xEF\xBF\xBD \xef\xbf\x9c <div>\xc2\x90</div> \xc2\x90"
– Chihung Yu
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UITableViewCell, show delete button on swipe
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During startup in (-viewDidLoad or in storyboard) do:
self.tableView.allowsMultipleSelectionDuringEditing = NO;
Override to support conditional editing of the table view. This only needs to be implemented if you are going to be returning NO for some items. By default, all items are editable....
ViewPager and fragments — what's the right way to store fragment's state?
...agment will be placed. FragmentPagerAdapter.getItem(int position) is only called when a fragment for that position does not exist. After rotating, Android will notice that it already created/saved a fragment for this particular position and so it simply tries to reconnect with it with FragmentManage...