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What's the fastest way to read a text file line-by-line?

...ile 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 possible value (12...
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Validating parameters to a Bash script

...ant script as far as I can tell; it doesn't use any bashisms, which is actually important because /bin/sh on Ubuntu is actually dash these days, not bash. share | improve this answer | ...
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biggest integer that can be stored in a double

... do you want? Go on, ask me what the largest integer is, such that it and all smaller integers can be stored in IEEE 64-bit doubles without losing precision. An IEEE 64-bit double has 52 bits of mantissa, so I think it's 253: 253 + 1 cannot be stored, because the 1 at the start and the 1 at the e...
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How do I update a Python package?

I'm running Ubuntu 9:10 and a package called M2Crypto is installed (version is 0.19.1). I need to download, build and install the latest version of the M2Crypto package (0.20.2). ...
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Why use Ruby instead of Smalltalk? [closed]

...hrough its adolescence. There are a lot of similarities between Ruby and Smalltalk -- maglev is a testament to that. Despite having a more unusual syntax, Smalltalk has all (if not more) of the object-oriented beauty of Ruby. ...
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Detect all Firefox versions in JS

How to detect Firefox in JavaScript? I want to detect all versions of Firefox. 7 Answers ...
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Storing money in a decimal column - what precision and scale?

... If you are looking for a one-size-fits-all, I'd suggest DECIMAL(19, 4) is a popular choice (a quick Google bears this out). I think this originates from the old VBA/Access/Jet Currency data type, being the first fixed point decimal type in the language; Decimal on...
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Is optimisation level -O3 dangerous in g++?

...n undefined behavior, due to relying more strictly on the rules, and especially corner cases, of the language(s). As a personal note, I am running production software in the financial sector for many years now with -O3 and have not yet encountered a bug that would not have been there if I would hav...
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Finding the max value of an attribute in an array of objects

I'm looking for a really quick, clean and efficient way to get the max "y" value in the following JSON slice: 13 Answers ...
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What do < and > stand for?

... Others have noted the correct answer, but have not clearly explained the all-important reason: why do we need this? What do < and > stand for? < stands for the < sign. Just remember: lt == less than > stands for the > Just remember: gt == greater than Why can’t we...