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How to declare and add items to an array in Python?
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Arrays (called list in python) use the [] notation. {} is for dict (also called hash tables, associated arrays, etc in other languages) so you won't have 'append' for a dict.
If you actually want an array (list), use:
array = []
ar...
How do I check whether a checkbox is checked in jQuery?
... of jQuery
// Assuming an event handler on a checkbox
if (this.checked)
All credit goes to Xian.
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How do I run multiple background commands in bash in a single line?
I normally run multiple commands with something like this:
8 Answers
8
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Should functions return null or an empty object?
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Returning null is usually the best idea if you intend to indicate that no data is available.
An empty object implies data has been returned, whereas returning null clearly indicates that nothing has been returned.
Additionally, returning a nul...
pycharm convert tabs to spaces automatically
... giving errors everywhere because it can't convert tabs to spaces automatically is there a way to achieve this.
7 Answers
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Difference between == and === in JavaScript [duplicate]
...esponding positions.
Two numbers are strictly equal when they are numerically equal (have
the same number value). NaN is not
equal to anything, including NaN.
Positive and negative zeros are equal
to one another.
Two Boolean operands are strictly equal if both are true or
both are fals...
How to click or tap on a TextView text
...Don't forget the clickable attribute, without it, the click handler isn't called.
main.xml
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<TextView
android:id="@+id/click"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Click Me"
androi...
How can I remove an SSH key?
...ove SSH key from gnome-keyring-daemon memory"
"Ubuntu: ssh-add -D deleting all identities does not work. Also, why are all identities auto-added?"
The exact issue is:
ssh-add -d/-D deletes only manually added keys from gnome-keyring.
There is no way to delete automatically added keys.
This is the ...
RequestDispatcher.forward() vs HttpServletResponse.sendRedirect()
...or further processing.
In the case of forward, the web container handles all processing internally and the client or browser is not involved.
When forward is called on the requestDispatcherobject, we pass the request and response objects, so our old request object is present on the new resource ...
How To Set Text In An EditText
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What might confuse a newbie is that setText actually takes a CharSequence and a BufferType. So it's useful to remember that Strings are CharSequence's
– Avatar33
Jun 11 '16 at 9:51
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