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Difference between a “coroutine” and a “thread”?
...ngle-core machines, that concurrency was simulated with some help from the OS -- nowadays, since so many machines are multi-CPU and/or multi-core, threads will de facto be executing simultaneously, not just "conceptually").
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Convert string to a variable name
...reg mentioned, assign to assign the variables.
original_string <- c("x=123", "y=456")
pairs <- strsplit(original_string, "=")
lapply(pairs, function(x) assign(x[1], as.numeric(x[2]), envir = globalenv()))
ls()
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How to add and get Header values in WebApi
...oducts/10',
type: 'GET',
headers: { 'username': 'test','password':'123' },
success: function (data) {
alert(data);
},
failure: function (result) {
alert('Error: ' + result);
}
});
Hope this helps someone ...
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PATH issue with pytest 'ImportError: No module named YadaYadaYada'
...Add the path manually to the test files, something like this:
import sys, os
myPath = os.path.dirname(os.path.abspath(__file__))
sys.path.insert(0, myPath + '/../')
Run the tests with the env var PYTHONPATH=../.
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In Windows Azure: What are web role, worker role and VM role?
... work on contains a web role: it's a simple web application. I needed to host the application in Windows Azure, so I created a web role. I actually want to know what these roles are for. What is their significance coding wise or storage wise?
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Using getopts to process long and short command line options
...ns.
BSD UNIX implementation of standalone getopt command (which is what MacOS uses). This does not support long options either.
GNU implementation of standalone getopt. GNU getopt(3) (used by the command-line getopt(1) on Linux) supports parsing long options.
Some other answers show a solutio...
Printing the last column of a line in a file
...
Using Perl
$ cat rayne.txt
A1 123 456
B1 234 567
C1 345 678
A1 098 766
B1 987 6545
C1 876 5434
$ perl -lane ' /A1/ and $x=$F[2] ; END { print "$x" } ' rayne.txt
766
$
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Copy a file in a sane, safe and efficient way
...ude <fstream>
int main()
{
std::ifstream src("from.ogv", std::ios::binary);
std::ofstream dst("to.ogv", std::ios::binary);
dst << src.rdbuf();
}
This is so simple and intuitive to read it is worth the extra cost. If we were doing it a lot, better to fall back on OS ca...
How do I parse a URL query parameters, in Javascript? [duplicate]
...ter for the first one). For your example, the above would result in:
{v: "123", p: "hello"}
Here's a working example.
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How to print a list of symbols exported from a dynamic library
...been trying to get dynamic libraries to work in my XCode project under Mac OS X. So far no joy.
4 Answers
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