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How to get the last day of the month?
...way using Python's standard library to easily determine (i.e. one function call) the last day of a given month?
30 Answers
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Non-static variable cannot be referenced from a static context
...ated with the class instead of with the instance, it can do this) and then calls an instance method (run()).
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Bootstrap control with multiple “data-toggle”
... There's some difference though: a data-toggle="tooltip" inside the main (button) element will show neatly outside of that element whereas it will overlap with that element if set inside a span wrapper.
– Benjamin
Aug 23 '15 at 9:04
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Why call git branch --unset-upstream to fixup?
...". Once local branch L is set to track remote-tracking branch R, Git will call R its "upstream" and tell you whether you're "ahead" and/or "behind" the upstream (in terms of commits). It's normal (even recommend-able) for the local branch and remote-tracking branches to use the same name (except f...
Why does the CheckBoxFor render an additional input tag, and how can I get the value using the FormC
...when in many situations you would
want false to be sent instead. As the hidden input has the same name
as the checkbox, then if the checkbox is unchecked you'll still get a
'false' sent to the server.
When the checkbox is checked, the ModelBinder will automatically take
care of extracti...
HTML: How to limit file upload to be only images?
...<input type="file" accept="image/*">. Of course, never trust client-side validation: Always check again on the server-side...
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Determine file creation date in Java
... File creation date is not available on JDK 8 (at least) since statx syscall was added in newer Linux kernel version.
– St.Antario
Dec 27 '18 at 13:10
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What is the purpose of the var keyword and when should I use it (or omit it)?
...Script 5; recently standardized, 5th edition of the language) there's a so-called "strict mode" — an opt-in language mode, which slightly changes the behavior of undeclared assignments. In strict mode, assignment to an undeclared identifier is a ReferenceError. The rationale for this was to catch ...
C# pattern to prevent an event handler hooked twice [duplicate]
... need to check for null:
using System.Linq; // Required for the .Contains call below:
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private EventHandler foo;
public event EventHandler Foo
{
add
{
if (foo == null || !foo.GetInvocationList().Contains(value))
{
foo += value;
}
}
remove
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iPhone hide Navigation Bar only on first page
...s hidden when the first view loads and then hidden when the "children" get called. Trouble is that I cannot find the event/action to trigger it to hide again when they get back to the root view....
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