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How to get a DOM Element from a JQuery Selector
...h:
$("table").get(0);
or more simply:
$("table")[0];
There isn't actually a lot you need this for however (in my experience). Take your checkbox example:
$(":checkbox").click(function() {
if ($(this).is(":checked")) {
// do stuff
}
});
is more "jquery'ish" and (imho) more concise. W...
Unable to create a constant value of type Only primitive types or enumeration types are supported in
...I'm concerned about performance I should avoid doing this as it would load all data in memory first and then query it. Should I write raw sql for this scenarios?
– Arvand
Dec 28 '15 at 11:30
...
Python: Get relative path from comparing two absolute paths
...ou can even handle more than two paths, with this method, and test whether all the paths are all below one of them.
PS: depending on how your paths look like, you might want to perform some normalization first (this is useful in situations where one does not know whether they always end with '/' or...
What's the difference between IComparable & IEquatable interfaces?
...eckles or their weight. Hence, we would implement different IComparers for all these cases.
– Konrad Rudolph
Mar 9 '10 at 19:08
2
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Simple way to copy or clone a DataRow?
...
Apparently Clone() only provides a shallow copy. Do you think that will be enough to create an identical copy or is a deep clone required?
– Paul Matthews
Aug 19 '12 at 11:08
...
Erasing elements from a vector
...y once in the vector. It may be present multiple times and I need to clear all of them. My code is something like this:
5 A...
What's the deal with a leading underscore in PHP class methods?
... { to give it some extra weight.
I've never heard of developers prefacing all their methods with underscores, so I can't begin to explain what causes that.
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Django: How do I add arbitrary html attributes to input fields on a form?
... earlier to modify 3 fields: ``` for field_name in ['image', 'image_small', 'image_mobile']: field = self.fields.get(field_name) field.widget.attrs['data-file'] = 'file' ```
– Stuart Axon
Jun 6 '14 at 11:59
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Calling C/C++ from Python?
...e Boost Python Library is a framework for interfacing Python and
C++. It allows you to quickly and seamlessly expose C++ classes
functions and objects to Python, and vice-versa, using no special
tools -- just your C++ compiler. It is designed to wrap C++ interfaces
non-intrusively, so that y...
Cannot change column used in a foreign key constraint
...eign key field and reference must be equal.
This means your foreign key disallows changing the type of your field.
One solution would be this:
LOCK TABLES
favorite_food WRITE,
person WRITE;
ALTER TABLE favorite_food
DROP FOREIGN KEY fk_fav_food_person_id,
MODIFY person_id SMALLIN...