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What's the difference between KeyDown and KeyPress in .NET?
...ctical difference between KeyDown and KeyPress is that KeyPress relays the character resulting from a keypress, and is only called if there is one.
In other words, if you press A on your keyboard, you'll get this sequence of events:
KeyDown: KeyCode=Keys.A, KeyData=Keys.A, Modifiers=Keys.None
Key...
How do I access the request object or any other variable in a form's clean() method?
...y.
A much better way is to override the form's __init__ method to take an extra keyword argument, request. This stores the request in the form, where it's required, and from where you can access it in your clean method.
class MyForm(forms.Form):
def __init__(self, *args, **kwargs):
se...
How do I use Nant/Ant naming patterns?
...
Here's a few extra pattern matches which are not so obvious from the documentation. Tested using NAnt for the example files in benzado's answer:
src** matches 2, 3 and 4
**.c ...
Why do std::shared_ptr work
...ed rather than just a function pointer. But for this case there is no such extra data, it would be sufficient just to store a pointer to an instantiation of a template function, with a template parameter that captures the type through which the pointer must be deleted.
[*] logically in the sense th...
Running a cron every 30 seconds
...p;
# Execute the payload, some random duration up to the limit.
# Extra blank line if excess payload.
((delay = RANDOM % maxtime + 1))
((maxtime += 1))
echo "$(date) Sleeping for ${delay} seconds (max ${maxtime})."
[[ ${delay} -gt 30 ]] && echo
sleep ${delay}
...
Difference between solr and lucene
...with HTTP API instead of Java API, Solr is for you. Solr has also got some extra features on top (e.g. grouping).
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How to check if an app is installed from a web-page on an iPhone?
...
To further the accepted answer, you sometimes need to add extra code to handle people returning the browser after launching the app- that setTimeout function will run whenever they do. So, I do something like this:
var now = new Date().valueOf();
setTimeout(function () {
if (ne...
How to use base class's constructors and assignment operator in C++?
...No operator=() defined
};
class Derived : public ImplicitBase {
const char* name_;
public:
Derived& operator=(const Derived& d)
{
ImplicitBase::operator=(d); // Call compiler generated operator=
name_ = strdup(d.name_);
return *this;
}
};
...
Send a pull request on GitHub for only latest commit
...
Why on earth do I need an extra branch, only to create a PR for a single changed line of code?! Did anyone at github think this through?
– CodeManX
Aug 20 '15 at 1:31
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How do I protect Python code? [closed]
..., too. E.g. mylicensedfunction(licenseblob liblob, int foo, int bar, std::string bash)
– Brian
Aug 9 '10 at 14:26
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