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Is it safe to parse a /proc/ file?

...e the kernel is cautious about memory use. Most files in /proc will be at least as consistent as /proc/net/tcp, with each row a consistent picture of one entry in whatever information they're providing, because most of them use the same seq_file abstraction. As the /proc/uptime example illustrates...
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'UserControl' constructor with parameters in C#

...he most common) default parameters can help dramatically, since you can at least (hopefully) initialize the component with a good value. Also, try to design the component in a way that you can change these properties after the component is generated. With Windows Forms components, this is typicall...
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Why does the default parameterless constructor go away when you create one with parameters

...invariants, I need a special removeDefaultConstructor keyword. At the very least, I'd need to create a private parameterless constructor to make sure no calling code calls the default. Which complicates the language some more. Better not to do it. In all, it's best not to think of adding a constru...
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smart pointers (boost) explained

...performance gap had closed significantly since I originally wrote this, at least on typical PC HW! The more efficient ptr_container approach may still have some advantages in niche use-cases though. – timday Aug 8 '16 at 12:21 ...
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Should you ever use protected member variables?

... internal implementation, and internal accessors. But you need to offer at least 3 public access to its data: map, hash_map, vector-like. Then you have something like: template <typename T, typename TContainer> class Base { // etc. protected TContainer container ; } template <typ...
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What is a Y-combinator? [closed]

...cheated a little. Using functions of 2 variables and assignment we can at least avoid having to use assignment to set up the recursion. // Here's the function that we want to recurse. X = function (recurse, n) { if (0 == n) return 1; else return n * recurse(recurse, n - 1); }; // This...
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log4j vs logback [closed]

...or that logging library? Why are we trying to kill/promote libraries? At least provide some rational reasoning WHY one is better than the other. God, Stack Overflow is a mess. – User Sep 7 '16 at 18:12 ...
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What's the difference between a method and a function?

...) or you have to invoke the method inside the object (object.Method()), at least in python. Think of methods as things only one entity can do, so if you have a Dog class it would make sense to have a bark function only inside that class and that would be a method, if you have also a Person class it ...
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“Large data” work flows using pandas

...explicity until final results time)? Solution Ensure you have pandas at least 0.10.1 installed. Read iterating files chunk-by-chunk and multiple table queries. Since pytables is optimized to operate on row-wise (which is what you query on), we will create a table for each group of fields. This ...
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Do I really have a car in my garage? [duplicate]

... In any case, I'd recommend at least an else { throw new UnsupportedVehicleError(v); } at the end there, unless you're sure that doing nothing is really the proper way to handle any and all vehicles other than cars or boats. – Ilmari ...