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Storing Python dictionaries
I'm used to bringing data in and out of Python using CSV files, but there are obvious challenges to this. Are there simple ways to store a dictionary (or sets of dictionaries) in a JSON or pickle file?
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Swift: Pass array by reference?
...ify your array (see answers below). Classes are passed by reference. Array and Dictionary in Swift are implemented as structs.
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Can two Java methods have same name with different return types? [duplicate]
...with different return type ? The return type of the methods are different and they are declared with the same method's name.
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Laravel requires the Mcrypt PHP extension
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The web enabled extensions and command line enabled extensions can differ. Run php -m in your terminal and check to see if mcrypt is listed. If it's not then check where the command line is loading your php.ini file from by running php --ini from your ...
How should I have explained the difference between an Interface and an Abstract class?
...rviews, I have been asked to explain the difference between an Interface and an Abstract class .
30 Answers
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Tar archiving that takes input from a list of files
...lude flag allows this. Assuming your comment lines start with a '#', a command such as the following would ignore / exclude any attempted file operations on lines containing cmments, i.e. your command can look like this: tar -cvf allfiles.tar --exclude='^#' -T mylist.txt. Tar reports an error, but w...
Difference between a class and a module
I came from Java, and now I am working more with Ruby.
9 Answers
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Change text color based on brightness of the covered background area?
... a while already, so now I want to know your opinions, possible solutions, and so on.
8 Answers
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Maintain the aspect ratio of a div with CSS
...rce: w3.org, emphasis mine)
Padding-bottom values for other aspect ratios and 100% width :
aspect ratio | padding-bottom value
--------------|----------------------
16:9 | 56.25%
4:3 | 75%
3:2 | 66.66%
8:5 | 62.5%
Placing content in ...
Which is faster: Stack allocation or Heap allocation
...ance out of heap allocation, but that comes with a slight added complexity and its own headaches.
Also, stack vs. heap is not only a performance consideration; it also tells you a lot about the expected lifetime of objects.
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