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How do I execute a string containing Python code in Python?
...yourself if you really need to. Executing code should generally be the position of last resort: It's slow, ugly and dangerous if it can contain user-entered code. You should always look at alternatives first, such as higher order functions, to see if these can better meet your needs.
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CSS: 100% width or height while keeping aspect ratio?
Currently, with STYLE, I can use width: 100% and auto on the height (or vice versa), but I still can't constrain the image into a specific position, either being too wide or too tall, respectively.
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What is the best project structure for a Python application? [closed]
... by some as meaningless, your top-level directory can be the top-level architecture of your application.
/foo
/bar
/baz
I recommend putting all of this under the "name-of-my-product" directory. So, if you're writing an application named quux, the directory that contains all this stuff is named ...
Use of Initializers vs Constructors in Java
...o I've been brushing up on my Java skills as of late and have found a few bits of functionality that I didn't know about previously. Static and Instance Initializers are two such techniques.
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Using the star sign in grep
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The asterisk is just a repetition operator, but you need to tell it what you repeat. /*abc*/ matches a string containing ab and zero or more c's (because the second * is on the c; the first is meaningless because there's nothing for it to repeat). If yo...
Is Dvorak typing appropriate for programming? [closed]
...the world uses qwerty, now if we start using modifications of dvorak too.. It's even worse! :)
– Thomas Bonini
Dec 18 '09 at 20:49
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What does “|=” mean? (pipe equal operator)
I tried searching using Google Search and Stack Overflow, but it didn't show up any results. I have seen this in opensource library code:
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What is the proper way to use the node.js postgresql module?
I am writing a node.js app on Heroku and using the pg module . I can't figure out the "right" way to get a client object for each request that I need to query the database.
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Where does the .gitignore file belong?
Does the .gitignore file belong in the .git folder structure somewhere or in the main source files?
8 Answers
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What is aspect-oriented programming?
I understand object oriented programming, and have been writing OO programs for a long time. People seem to talk about aspect-oriented programming, but I've never really learned what it is or how to use it. What is the basic paradigm?
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