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How to len(generator()) [duplicate]
Python generators are very useful. They have advantages over functions that return lists. However, you could len(list_returning_function()) . Is there a way to len(generator_function()) ?
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When to use the brace-enclosed initializer?
In C++11, we have that new syntax for initializing classes which gives us a big number of possibilities how to initialize variables.
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Will using goto leak variables?
Is it true that goto jumps across bits of code without calling destructors and things?
1 Answer
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Default value of a type at Runtime [duplicate]
For any given type i want to know its default value.
6 Answers
6
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How to create an array from a CSV file using PHP and the fgetcsv function
Can someone kindly provide a code to create an array from a CSV file using fgetcsv?
14 Answers
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How to recover MySQL database from .myd, .myi, .frm files
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If these are MyISAM tables, then plopping the .FRM, .MYD, and .MYI files into a database directory (e.g., /var/lib/mysql/dbname) will make that table available. It doesn't have to be the same database as they came from, the same server, the same MySQL version, or t...
Convert XML String to Object
I am receiving XML strings over a socket, and would like to convert these to C# objects.
15 Answers
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What does the number in parentheses shown after Unix command names in manpages mean?
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It's the section that the man page for the command is assigned to.
These are split as
General commands
System calls
C library functions
Special files (usually devices, those found in /dev) and drivers
File formats and conventions
Games and screensavers
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What is the difference between Bower and npm?
...is the fundamental difference between bower and npm ? Just want something plain and simple. I've seen some of my colleagues use bower and npm interchangeably in their projects.
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Determine what attributes were changed in Rails after_save callback?
I'm setting up an after_save callback in my model observer to send a notification only if the model's published attribute was changed from false to true. Since methods such as changed? are only useful before the model is saved, the way I'm currently (and unsuccessfully) trying to do so is as fol...