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Is it possible to forward-declare a function in Python?
...erwards is impossible, what about defining it in some other module?
Technically you still define it first, but it's clean.
You could create a recursion like the following:
def foo():
bar()
def bar():
foo()
Python's functions are anonymous just like values are anonymous, yet they can be...
Using Intent in an Android application to show another activity
In my Android application, I have two activity classes. I have a button on the first one and I want to show the second when it is clicked, but I get an error. Here are the classes:
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Android AsyncTask threads limits?
...y a shared (static) ThreadPoolExecutor and a LinkedBlockingQueue. When you call execute on an AsyncTask, the ThreadPoolExecutor will execute it when it is ready some time in the future.
The 'when am I ready?' behavior of a ThreadPoolExecutor is controlled by two parameters, the core pool size and t...
PHP PDO returning single row
...n string --- ");
$stmt = $dbh->prepare("SELECT name FROM mytable WHERE id=4 LIMIT 1");
$stmt->execute();
$row = $stmt->fetch();
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Difference between WAIT and BLOCKED thread states
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A thread goes to wait state once it calls wait() on an Object. This is called Waiting State. Once a thread reaches waiting state, it will need to wait till some other thread calls notify() or notifyAll() on the object.
Once this thread is notified, it will no...
What's the difference between assignment operator and copy constructor?
...t used and instead assignment operator is used, object is created first by calling constructor either with arguments or without arguments and then assignment operator is used and new values are assigned based on RHS. In case copy constructor is used, still same constructor will be called, but values...
How are Python's Built In Dictionaries Implemented?
...bing just means it searches the slots by slot to find an empty slot. Technically we could just go one by one, i+1, i+2, ... and use the first available one (that's linear probing). But for reasons explained beautifully in the comments (see dictobject.c:33-126), CPython uses random probing. In random...
Disallow Twitter Bootstrap modal window from closing
...l window using Twitter Bootstrap. The default behavior is if you click outside the modal area, the modal will automatically close. I would like to disable that -- i.e. not close the modal window when clicking outside the modal.
...
setImmediate vs. nextTick
...I changes documentation suggests using it when doing recursive nextTick calls.
7 Answers
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Android: Difference between onInterceptTouchEvent and dispatchTouchEvent?
... needs to figure out which one of its child views should get the event (by calling child.dispatchTouchEvent). This is basically a hit testing algorithm where you figure out which child view's bounding rectangle contains the touch point coordinates.
But before it can dispatch the event to the approp...