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Test if object implements interface
...e with an actual interface using android java.
It checks the activity that called implemented the AboutDialogListener interface
before attempting to cast the AboutDialogListener field.
public class About extends DialogFragment implements OnClickListener,
OnCheckedChangeListener {
public static...
Change Activity's theme programmatically
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As docs say you have to call setTheme before any view output. It seems that super.onCreate() takes part in view processing.
So, to switch between themes dynamically you simply need to call setTheme before super.onCreate like this:
public void onCr...
iOS - forward all touches through a view
... That's ON!! (Otherwise, the code in PassthroughView simply will never be called.)
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Concatenate a vector of strings/character
...r. However, here's an alternative solution for comic relief purposes:
do.call(paste, c(as.list(sdata), sep = ""))
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Can you determine if Chrome is in incognito mode via a script?
...ntly, it disables all extensions except those extensions which were specifically marked by the user as incognito safe.
– Tiberiu-Ionuț Stan
Oct 12 '12 at 17:39
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How to make my font bold using css?
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You can use the strong element in html, which is great semantically (also good for screen readers etc.), which typically renders as bold text:
See here, some <strong>emphasized text</strong>.
Or you can use the font-weight css property to style any element's text...
Getting name of the class from an instance
... Remember to #import <objc/objc-runtime.h> to able to call class on an instance.
– JP Illanes
Mar 11 '15 at 8:04
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Copy files from one directory into an existing directory
... a directory and copy all the files into it. If you use the pretend folder called ".", which is the same as the directory holding it, the copy behaves this way. Let's say t1 contains a file called "file". cp will perform the operation equivalent to "cp t1/./file t2/./". It is copying the folder "."...
Using OR in SQLAlchemy
...use an & between them and the first (rather than using a second filter call) for the same effect?
– Chase Sandmann
Aug 14 '13 at 20:34
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How do I create a Python function with optional arguments?
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Try calling it like: obj.some_function( '1', 2, '3', g="foo", h="bar" ). After the required positional arguments, you can specify specific optional arguments by name.
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