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Get $_POST from multiple checkboxes
..." value="<?=$rowid?>" />
PHP:
foreach($_POST['check_list'] as $item){
// query to delete where item = $item
}
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When to use margin vs padding in CSS [closed]
...
The best I've seen explaining this with examples, diagrams, and even a 'try it yourself' view is here.
The diagram below I think gives an instant visual understanding of the difference.
One thing to keep in mind is standard...
Why use Ruby's attr_accessor, attr_reader and attr_writer?
...r classes.
As a practical example: I wrote a design program where you put items inside containers. The item had attr_reader :container, but it didn't make sense to offer a writer, since the only time the item's container should change is when it's placed in a new one, which also requires positionin...
Sorting a Python list by two fields
... Nice. As you noted in comment to the main answer above, this is the best (only?) way to do multiple sorts with different sort orders. Perhaps highlight that. Also, your text does not indicate that you sorted descending on second element.
– PeterVermont
J...
Can you use a trailing comma in a JSON object?
...N object or array, it's often easier to leave a trailing comma on the last item in the object or array. For example, code to output from an array of strings might look like (in a C++ like pseudocode):
...
Django Forms: if not valid, show form with error message
... <div id="form_errors">
{% for key, value in form.errors.items %}
<span class="fieldWrapper">
{{ key }}:{{ value }}
</span>
{% endfor %}
</div>
<button type="button" class="close" d...
Or versus OrElse
...ative names they must have considered if these were the ones that were the best...
– AakashM
Jul 23 '09 at 10:20
1
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How do I configure PyCharm to run py.test tests?
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I think you need to use the Run/Debug Configuration item on the toolbar. Click it and 'Edit Configurations' (or alternatively use the menu item Run->Edit Configurations). In the 'Defaults' section in the left pane there is a 'py.test' item which I think is what you want.
I...
What is the 'pythonic' equivalent to the 'fold' function from functional programming?
...reduce operations:
Given a list, a reducing function and an accumulator:
items = [1, 2, 3, 4, 5]
f = lambda acc, x: acc * x
accumulator = 1
we can fold items with f in order to obtain the resulting accumulation:
[accumulator := f(accumulator, x) for x in items]
# accumulator = 120
or in a c...
Saving and loading objects and using pickle
...constitute the object from the data that was saved in the binary file. The best practice for this sort of thing is to put the class Fruits definition in a separate .py file (making it a custom module) and then import that module or items from it whenever needed (i.e. both sessions). For example if y...