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How to parse a string into a nullable int
...n still be used for non-nullable parses as well as nullable:
enum Fruit { Orange, Apple }
var res1 = Parse<Fruit>("Apple");
var res2 = Parse<Fruit?>("Banana");
var res3 = Parse<int?>("100") ?? 5; //use this for non-zero default
var res4 = Parse<Unit>("45%");
NB: There is a...
Conditional HTML Attributes using Razor MVC3
... you use an HTML inspector, often you are actually seeing the DOM, not the raw HTML. Browsers parse HTML into the DOM, and the after-parsing DOM representation already has some niceties applied. In this case the Browser sees there aren't quotes around the attribute value, adds them:
style="&q...
AngularJS HTTP post to PHP and undefined
... use the default angularjs setting of application/json as header, read the raw input in PHP, and then deserialize the JSON.
That can be achieved in PHP like this:
$postdata = file_get_contents("php://input");
$request = json_decode($postdata);
$email = $request->email;
$pass = $request->pass...
Does SQLAlchemy have an equivalent of Django's get_or_create?
...s, it is automatically added to the session. E.g. create a book, which has user_id and user as corresponding relationship, then doing book.user=<user object> inside of create_method will add book to the session. This means that create_method must be inside with to benefit from an eventual roll...
Keyboard shortcut to paste clipboard content into command prompt window (Win XP) [closed]
...
HowToGeek suggests "SendInput {Raw}%clipboard%" instead of alt-space ep. Then you get rid of the flickering as well
– Vegar Westerlund
Jul 17 '14 at 16:03
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'POCO' definition
... And as my high school electricity teacher would say, "...and oranges taste orangey"
– Ian Boyd
Jul 2 '11 at 18:52
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How do you get a query string on Flask?
... ask yourself why you want the query string. I've never had to pull in the raw string - Flask has mechanisms for accessing it in an abstracted way. You should use those unless you have a compelling reason not to.
share
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detect key press in python?
... p for pause and s for stop), and I would not like it to be something like raw_input that waits for the user's input before continuing execution. Anyone know how to do this in a while loop?
...
Single quotes vs. double quotes in Python [closed]
...tain quotes, or if I forget. I use triple double quotes for docstrings and raw string literals for regular expressions even if they aren't needed.
For example:
LIGHT_MESSAGES = {
'English': "There are %(number_of_lights)s lights.",
'Pirate': "Arr! Thar be %(number_of_lights)s lights."
}
...
How to differ sessions in browser-tabs?
...ur AJAX function check first to make sure localStorage.currently_logged_in_user_id === window.yourAppNameSpace.user_id, and if not, log in first via AJAX.
Another is race conditions: if you can switch windows fast enough to confuse it, you may end up with a relogin1->relogin2->ajax1->ajax2...