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PDO Prepared Inserts multiple rows in single query
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Rounding a double to turn it into an int (java)
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241
What is the return type of the round() method in the snippet?
If this is the Math.round() met...
List of tuples to dictionary
...() on the list of tuples directly
>>> my_list = [('a', 1), ('b', 2)]
>>> dict(my_list)
{'a': 1, 'b': 2}
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Remove insignificant trailing zeros from a number?
...the first place since it was created as a Number, not a String.
var n = 1.245000
var noZeroes = n.toString() // "1.245"
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cannot load such file — bundler/setup (LoadError)
I'm setting Rails 4 application with Ruby 2.0, but I'm getting "Web application could not be started" and get this trace:
1...
Undefined reference to `pow' and `floor'
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244
You need to compile with the link flag -lm, like this:
gcc fib.c -lm -o fibo
This will tell...
How to append contents of multiple files into one file
...) command, with shell redirection (>) into your output file
cat 1.txt 2.txt 3.txt > 0.txt
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Sort array of objects by single key with date value
...n use Array.sort.
Here's an example:
var arr = [{
"updated_at": "2012-01-01T06:25:24Z",
"foo": "bar"
},
{
"updated_at": "2012-01-09T11:25:13Z",
"foo": "bar"
},
{
"updated_at": "2012-01-05T04:13:24Z",
"foo": "bar"
}
]
arr.sort(function(a, b) {
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How to redirect output to a file and stdout
...e output.file
If you want to include stderr, do:
program [arguments...] 2>&1 | tee outfile
2>&1 redirects channel 2 (stderr/standard error) into channel 1 (stdout/standard output), such that both is written as stdout. It is also directed to the given output file as of the tee comm...
How to manually install an artifact in Maven 2?
...ntered some errors when I tried to install an artifact manually with Maven 2. I wanted to install a jar from a local directory with the command
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