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Compare integer in bash, unary operator expected
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Is it possible only to declare a variable without assigning any value in Python?
...rack of a counter (minValue) and any time a value was lower than it, I was setting it to become the new minValue. If I declared minValue as None originally, then apparently it is still lower than any numbers I compared it against. I ended up just initializing it at sys.maxint
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Is the “struct hack” technically undefined behavior?
What I am asking about is the well known "last member of a struct has variable length" trick. It goes something like this:
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创建自定义 TinyWebDB 服务 · App Inventor 2 中文网
...EngineLauncher, choose File
Add Existing Application . Browse to set the Path to the customtinywebdb folder you just unzipped. Then click the Run button. This will launch a test web service that runs on your local machine.
You can test the service by opening a bro...
moment.js - UTC gives wrong date
... previous date.
Here are some examples to illustrate it (my local time offset is UTC+3 during DST):
>>> moment('07-18-2013', 'MM-DD-YYYY').utc().format("YYYY-MM-DD HH:mm")
"2013-07-17 21:00"
>>> moment('07-18-2013 12:00', 'MM-DD-YYYY HH:mm').utc().format("YYYY-MM-DD HH:mm")
"2013...
Easy way to write contents of a Java InputStream to an OutputStream
I was surprised to find today that I couldn't track down any simple way to write the contents of an InputStream to an OutputStream in Java. Obviously, the byte buffer code isn't difficult to write, but I suspect I'm just missing something which would make my life easier (and the code clearer).
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What's wrong with this 1988 C code?
I'm trying to compile this piece of code from the book "The C Programming Language" (K & R). It is a bare-bones version of the UNIX program wc :
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what is faster: in_array or isset? [closed]
This question is merely for me as I always like to write optimized code that can run also on cheap slow servers (or servers with A LOT of traffic)
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How do you know when to use fold-left and when to use fold-right?
...by putting parentheses!).
If you have a left-associative operator, you'll set the parentheses like this
((A x B) x C) x D
Here, you use a left fold. Example (haskell-style pseudocode)
foldl (-) [1, 2, 3] == (1 - 2) - 3 == 1 - 2 - 3 // - is left-associative
If your operator is right-associativ...
LINQ, Where() vs FindAll()
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