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What's the fastest way to read a text file line-by-line?
...to read a file line by line you will have to do some benchmarking. I have done some small tests on my computer but you cannot expect that my results apply to your environment.
Using StreamReader.ReadLine
This is basically your method. For some reason you set the buffer size to the smallest possibl...
Java inner class and static nested class
...nested class in Java? Does design / implementation play a role in choosing one of these?
27 Answers
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How to loop through array in jQuery?
...ges: Declarative, can use a prebuilt function for the iterator if you have one handy, if your loop body is complex the scoping of a function call is sometimes useful, no need for an i variable in your containing scope.
Disadvantages: If you're using this in the containing code and you want to use t...
Entity Framework - Invalid Column Name '*_ID"
..., but I'm not sure how to fix it. I'll try to be as clear as I can, but I honestly am missing some of the understanding here myself. This is Entity Framework 4.4
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MVC Razor view nested foreach's model
...l=>model.SomeProperty);
It looks like we have a little lambda, And if one were to guess the signature, one might think that the type for
this argument would simply be a Func<TModel, TProperty>, where TModel is the type of the view model and TProperty
is inferred as the type of the propert...
What is a serialVersionUID and why should I use it?
... believe you answered the "how?" rather than explaining the "why?". I, for one, do not understand why I aught bother with SerializableVersionUID.
– Ziggy
Jan 1 '09 at 7:27
372
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Polymorphism in C++
...at when the type of data you're processing has a .size() member you'll use one function, otherwise another function that doesn't need .size() (but presumably suffers in some way - e.g. using the slower strlen() or not printing as useful a message in the log). You can also specify ad-hoc behaviours ...
Concatenate multiple files but include filename as section headers
I would like to concatenate a number of text files into one large file in terminal. I know I can do this using the cat command. However, I would like the filename of each file to precede the "data dump" for that file. Anyone know how to do this?
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Static Classes In Java
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What good are static classes? A good use of a static class is in defining one-off, utility and/or library classes where instantiation would not make sense. A great example is the Math class that contains some mathematical constants such as PI and E and simply provides mathematical calculations. Req...
Java how to replace 2 or more spaces with single space in string and delete leading and trailing spa
...fo/Repetition
No trim() regex
It's also possible to do this with just one replaceAll, but this is much less readable than the trim() solution. Nonetheless, it's provided here just to show what regex can do:
String[] tests = {
" x ", // [x]
" 1 2 3 ", // [1...