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How to detect total available/free disk space on the iPhone/iPad device?
...g Obj-C, not C++ or C. NSUInteger will give you an unsigned 64 bit integer now, but if things happen to change I imagine that Apple will update that Macro (let's say 128 bits at some point, becomes real)
– Goles
Jul 27 '16 at 18:29
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Python mysqldb: Library not loaded: libmysqlclient.18.dylib
...e, that since MacOS El Capitan the System Integrity Protection (SIP, also known as "rootless") will prevent you from creating links in /usr/lib/.
You could disable SIP by following these instructions, but you can create a link in /usr/local/lib/ instead:
sudo ln -s /usr/local/mysql/lib/libmysqlcli...
Can I have onScrollListener for a ScrollView?
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Every instance of View calls getViewTreeObserver(). Now when holding an instance of ViewTreeObserver, you can add an OnScrollChangedListener() to it using the method addOnScrollChangedListener().
You can see more information about this class here.
It lets you be aware of eve...
How to increment a datetime by one day?
... accomplished using timedelta objects:
import datetime
datetime.datetime.now() + datetime.timedelta(days=1)
Look up timedelta objects in the Python docs: http://docs.python.org/library/datetime.html
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How to downgrade or install an older version of Cocoapods
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Update... if you call gem uninstall cocoapods it will now ask you which version you want to uninstall. Much quicker! :o)
– ingh.am
Sep 30 '15 at 13:58
1
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Python assigning multiple variables to same value? list behavior
...t element of a to 1, the first elements of b and c are 1.
If you want to know if two names are naming the same object, use the is operator:
>>> a=b=c=[0,3,5]
>>> a is b
True
You then ask:
what is different from this?
d=e=f=3
e=4
print('f:',f)
print('e:',e)
Here, you'r...
How do I pass extra arguments to a Python decorator?
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Now if you want to call a function function1 with a decorator decorator_with_arg and in this case both the function and the decorator take arguments,
def function1(a, b):
print (a, b)
decorator_with_arg(10)(function1)(...
How to set custom favicon in Express?
... // expiers after a month
res.setHeader("Expires", new Date(Date.now() + 2592000000).toUTCString());
res.end(favicon);
});
to change icon in code above
make an icon maybe here: http://www.favicon.cc/ or here :http://favicon-generator.org
convert it to base64 maybe here: http://base...
How to make a valid Windows filename from an arbitrary string?
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".foo" is a valid filename. Didn't know about the "CON" filename - what is it for?
– configurator
Mar 6 '09 at 23:56
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Delete all documents from index/type without deleting type
I know one can delete all documents from a certain type via deleteByQuery.
15 Answers
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