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How can I check if a key exists in a dictionary? [duplicate]
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if key in array:
# do something
Associative arrays are called dictionaries in Python and you can learn more about them in the stdtypes documentation.
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Preferred order of writing latitude & longitude tuples in GIS services
When dealing with GIS source code you often need to write latitude and longitude coordinate tuples.
9 Answers
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How do I add a simple jQuery script to WordPress?
I read the Codex and a few blog posts about using jQuery in WordPress, and its very frustrating. I've got as far as loading jQuery in functions.php file, but all of the guides out there are crappy because they assume you already have a ton of WordPress experience. For instance, they say that now t...
New self vs. new static
I am converting a PHP 5.3 library to work on PHP 5.2. The main thing standing in my way is the use of late static binding like return new static($options); , if I convert this to return new self($options) will I get the same results?
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Python Dictionary Comprehension
Is it possible to create a dictionary comprehension in Python (for the keys)?
8 Answers
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PHP 5 disable strict standards error
I need to setup my PHP script at the top to disable error reporting for strict standards.
7 Answers
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How to declare global variables in Android?
I am creating an application which requires login. I created the main and the login activity.
17 Answers
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How to benchmark efficiency of PHP script
...de, use tools like Xdebug and XHProf.
Xdebug is great for when you're working in dev/staging, and XHProf is a great tool for production and it's safe to run it there (as long as you read the instructions). The results of any one single page load aren't going to be as relevant as seeing how your cod...
Git status ignore line endings / identical files / windows & linux environment / dropbox / mled
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Try setting core.autocrlf value like this :
git config --global core.autocrlf true
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How to close current tab in a browser window?
I want to create a link on a webpage that would close the currently active tab in a browser without closing other tabs in the browser. When the user clicks the close link, an alert message should appear asking the user to confirm with two buttons, "YES" and "NO". If the user clicks "YES", close th...