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Android: How can I pass parameters to AsyncTask's onPreExecute()?
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// do stuff
}
// doInBackground() et al.
}
Then, when calling the task, do something like:
new MyAsyncTask(true).execute(maybe_other_params);
Edit: this is more useful than creating member variables because it simplifies the task invocation. Compare the code above with:
MyA...
Swift: declare an empty dictionary
...ou have to be explicit, otherwise you will produce an unusable instance of __NSDictionaryI. Try adding an element to that emptyDict and it will fail at compile time.
– Gabriele Petronella
Jun 4 '14 at 13:34
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Painless way to install a new version of R?
...han Linux). Does anyone have a good trick for doing the upgrade, from installing the software to copying all the settings/packages over?
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Why use symbols as hash keys in Ruby?
...saves memory, because they are only stored once.
Symbols in Ruby are basically "immutable strings" .. that means that they can not be changed, and it implies that the same symbol when referenced many times throughout your source code, is always stored as the same entity, e.g. has the same object id...
What are good grep tools for Windows? [closed]
Any recommendations on grep tools for Windows? Ideally ones that could leverage 64-bit OS.
28 Answers
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Clojure differences between Ref, Var, Agent, Atom, with examples
... one bank account to another, it needs to either move completely or not at all.
Uncoordinated access is used when only one Identity needs to update, this is a very common case.
Synchronous access is used when the call is expected to wait until all Identities have settled before continuing.
Asy...
Why is “copy and paste” of code dangerous? [closed]
...you will need to fix it every place you did and hope you can remember them all (this also holds for changed requirements).
If you keep logic in one place, it is easier to change when needed (so if you decide that the application needs updating, you only do it in one place).
Have your boss read abo...
Problems with Android Fragment back stack
...Replace an existing fragment that was added to a container. This is essentially the same as calling remove(Fragment) for all currently added fragments that were added with the same containerViewId and then add(int, Fragment, String) with the same arguments given here.
then what's happening is like...
Handling click events on a drawable within an EditText
...lic boolean onTouch(View v, MotionEvent event) {
final int DRAWABLE_LEFT = 0;
final int DRAWABLE_TOP = 1;
final int DRAWABLE_RIGHT = 2;
final int DRAWABLE_BOTTOM = 3;
if(event.getAction() == MotionEvent.ACTION_UP) {
if(event.getRawX() >= (editC...
What exactly does the “u” do? “git push -u origin master” vs “git push origin master”
...h> makes things unambiguous. If you leave off the remote or branch git falls back on the branch config settings, which are set for you with git push -u.
– dahlbyk
Apr 18 '11 at 2:12
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