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How to map atan2() to degrees 0-360
...has that discontinuity at 180° where it switches to -180°..0° going clockwise.
15 Answers
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How to detect the screen resolution with JavaScript?
Is there a way that works for all browsers?
12 Answers
12
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Is well formed without a ?
...> without a <form> appears valid, yes (at least for html 4.01, look near the end of 17.2.1):
The elements used to create controls
generally appear inside a FORM
element, but may also appear outside
of a FORM element declaration when
they are used to build user
interfaces. This...
getString Outside of a Context or Activity
I've found the R.string pretty awesome for keeping hardcoded strings out of my code, and I'd like to keep using it in a utility class that works with models in my application to generate output. For instance, in this case I am generating an email from a model outside of the activity.
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How to access environment variable values?
...ou might need to see a complete list!
# using get will return `None` if a key is not present rather than raise a `KeyError`
print(os.environ.get('KEY_THAT_MIGHT_EXIST'))
# os.getenv is equivalent, and can also give a default value instead of `None`
print(os.getenv('KEY_THAT_MIGHT_EXIST', default_v...
Convert UTC date time to local date time
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@digitalbath Works on Chrome but doesn't work on Firefox.
– Ganesh Satpute
Sep 5 '17 at 13:30
3
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Dynamic type languages versus static type languages
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The ability of the interpreter to deduce type and type conversions makes development time faster, but it also can provoke runtime failures which you just cannot get in a statically typed language where you catch them at compile time. But which one's better (or even if that's always true) is ho...
PHP “php://input” vs $_POST
...ey couldn't).
So, if you simply POST a good old HTML form, the request looks something like this:
POST /page.php HTTP/1.1
key1=value1&key2=value2&key3=value3
But if you are working with Ajax a lot, this probaby also includes exchanging more complex data with types (string, int, bool) an...
Explicit vs implicit SQL joins
... edited Mar 2 at 17:46
Stevoisiak
13.9k1616 gold badges9191 silver badges153153 bronze badges
answered Sep 4 '08 at 22:56
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Best cross-browser method to capture CTRL+S with JQuery?
My users would like to be able to hit Ctrl + S to save a form. Is there a good cross-browser way of capturing the Ctrl + S key combination and submit my form?
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