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Finding the number of days between two dates
...t all of Europe moved the clock back an hour. That means that today has an extra 3600 seconds, and that ought to be reflected in the UNIX timestamps. If it is, then that means that today will count for two days with the above way of computing the number of days. And I'm not even starting about leap ...
Convert Json Array to normal Java list
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ArrayList<String> list = new ArrayList<String>();
JSONArray jsonArray = (JSONArray)jsonObject;
if (jsonArray != null) {
int len = jsonArray.length();
for (int i=0;i<len;i++){
list.add(jsonArray.get(i).toSt...
How to get the parents of a Python class?
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If you want all the ancestors rather than just the immediate ones, use inspect.getmro:
import inspect
print inspect.getmro(cls)
Usefully, this gives you all ancestor classes in the "method resolution order" -- i.e. the order in which ...
How do I invert BooleanToVisibilityConverter?
... }
if (parameter != null)
{
if (bool.Parse((string)parameter))
{
flag = !flag;
}
}
if (flag)
{
return Visibility.Visible;
}
else
{
return Visibility.Collapse...
Inheritance and Overriding __init__ in python
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The book is a bit dated with respect to subclass-superclass calling. It's also a little dated with respect to subclassing built-in classes.
It looks like this nowadays:
class FileInfo(dict):
"""store file metadata"""
def __init__(self, filename=None):
super(FileInfo,...
Maintain aspect ratio of div but fill screen width and height in CSS?
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To avoid using extra markup here you can add an element using ::before or ::after and give that element a height of 0 and a padding-bottom relative to the objects width and 0 width of its own. That will have the same effect but with less ma...
What is the exact problem with multiple inheritance?
...unction, object members, class members, globals, etc.), I don't see how an extra scope would make a difference.
– marcus
Nov 29 '11 at 19:15
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Truncate (not round) decimal places in SQL Server
I'm trying to determine the best way to truncate or drop extra decimal places in SQL without rounding. For example:
18 Ans...
Does git return specific return error codes?
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This is extra annoying for debugging your commit hooks. Whats the point of even having an exit code in your git hooks if a failed commit is just going to always return 1 instead of your hook exit code.
– Novice ...
jQuery validate: How to add a rule for regular expression validation?
... defined outside the method as a literal, instead of the invocation from a string..
– Tracker1
Jul 5 '10 at 23:30
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