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Python class inherits object
...erit from object?
In Python 3, apart from compatibility between Python 2 and 3, no reason. In Python 2, many reasons.
Python 2.x story:
In Python 2.x (from 2.2 onwards) there's two styles of classes depending on the presence or absence of object as a base-class:
"classic" style classes: the...
How to get the current date/time in Java [duplicate]
...UNIX epoch (as a Java long). This value is a delta from a UTC time-point, and is independent of the local time-zone ... assuming that the system clock has been set correctly.
If you want the date / time in a form that allows you to access the components (year, month, etc) numerically, you could use...
How to check if a variable is set in Bash?
...ar+x} is a parameter expansion which evaluates to nothing if var is unset, and substitutes the string x otherwise.
Quotes Digression
Quotes can be omitted (so we can say ${var+x} instead of "${var+x}") because this syntax & usage guarantees this will only expand to something that does not requ...
Controlling the screenshot in the iOS 7 multitasking switcher
... to find some information regarding the new multitasking switcher in iOS 7 and especially the screenshot that the OS takes when the app is going into hibernation.
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How to git-cherry-pick only changes to certain files?
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I'd do it with cherry-pick -n (--no-commit) which lets you inspect (and modify) the result before committing:
git cherry-pick -n <commit>
# unstage modifications you don't want to keep, and remove the
# modifications from the work tree as well.
# this does work recursively!
git checko...
How to find what code is run by a button or element in Chrome using Developer Tools
I'm using Chrome and my own website.
5 Answers
5
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html select only one checkbox in a group
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// the selector will match all input controls of type :checkbox
// and attach a click event handler
$("input:checkbox").on('click', function() {
// in the handler, 'this' refers to the box clicked on
var $box = $(this);
if ($box.is(":checked")) {
// the name of the box is ret...
Suppress warning messages using mysql from within Terminal, but password written in bash script
When I tried running the following command on MySQL from within Terminal:
25 Answers
2...
PHP Get Site URL Protocol - http vs https
...e function to establish the current site url protocol but I don't have SSL and don't know how to test if it works under https. Can you tell me if this is correct?
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How to remove all of the data in a table using Django
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While this answers the first question, it doesn't handle the second question. I would use 'DELETE FROM %s' % (table_name, ) for that bit, leaving the table empty but intact.
– user3934630
Aug 7 '15 at 21:43
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