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Do DOM tree elements with ids become global variables?
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What is supposed to happen is that ‘named elements’ are added as apparent properties of the document object. This is a really bad idea, as it allows element names to clash with real properties of document.
IE made the situati...
Can't append element
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I've seen issues where some browsers don't respect some changes when you do them directly (by which I mean creating the HTML from text like you're trying with the script tag), but when you do them with built-in commands things go bette...
AngularJS HTTP post to PHP and undefined
...defaults the Content-type header to application/json. You are overriding this to pass form-encoded data, however you are not changing your data value to pass an appropriate query string, so PHP is not populating $_POST as you expect.
My suggestion would be to just use the default angularjs setting ...
How to turn off caching on Firefox?
...Enter "about:config" into the Firefox address bar and set:
browser.cache.disk.enable = false
browser.cache.memory.enable = false
If developing locally, or using HTML5's new manifest attribute you may have to also set the following in about:config -
browser.cache.offline.enable = false
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How do I make JavaScript beep?
...would then call it from JavaScript code as such:
PlaySound("sound1");
This should do exactly what you want - you'll just need to find/create the beep sound yourself, which should be trivial.
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How to get a function name as a string?
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my_function.__name__
Using __name__ is the preferred method as it applies uniformly. Unlike func_name, it works on built-in functions as well:
>>> import time
>>> time.time.func_name
Traceback (most recent call last):
File "<stdin>", ...
Setting PayPal return URL and making it auto return?
This is a follow up question to: PHP: Easy way to start PayPal checkout?
6 Answers
6
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What are the differences between Clojure, Scheme/Racket and Common Lisp?
I know they are dialects of the same family of language called lisp, but what exactly are the differences? Could you give an overview, if possible, covering topics such as syntax, characteristics, features and resources.
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Pretty printing JSON from Jackson 2.2's ObjectMapper
...esults of my Google searches have come up with Jackson 1.x ways of doing this and I can't seem to find the proper, non-deprecated way of doing this with 2.2. Even though I don't believe that code is absolutely necessary for this question, here's what I have right now:
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How do PHP sessions work? (not “how are they used?”)
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In the general situation :
the session id is sent to the user when his session is created.
it is stored in a cookie (called, by default, PHPSESSID)
that cookie is sent by the browser to the server with each request
the server (PHP) uses that cookie, containing the se...