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Which is the fastest algorithm to find prime numbers?
Which is the fastest algorithm to find out prime numbers using C++? I have used sieve's algorithm but I still want it to be faster!
...
Maven: how to do parallel builds?
...are great, but I wanted to add something to the answers here regarding the test stability during parallel builds.
So, when Maven parallel build is used:
mvn -T 4 clean install # Builds with 4 threads
mvn -T 1C clean install # 1 thread per cpu core
mvn -T 1.5C clean install # 1.5 thread per cpu core
...
Path.Combine for URLs?
...ot behave like Path.Combine as the OP asked. For example new Uri(new Uri("test.com/mydirectory/"), "/helloworld.aspx").ToString() gives you "test.com/helloworld.aspx"; which would be incorrect if we wanted a Path.Combine style result.
– Doctor Jones
Oct 28 '10...
Can Visual Studio 2012 be installed side-by-side w/ Visual Studio 2010?
...ng the point of the problem. The problem only exists if you depend on your tests on your development machine to tell you when your application works. If you can test in the environment your customers will use (and I think most developers are in this position), then you don't have this problem. If yo...
How to detect if multiple keys are pressed at once using JavaScript?
... you could try something like this to make it easier on the eyes:
function test_key(selkey){
var alias = {
"ctrl": 17,
"shift": 16,
"A": 65,
/* ... */
};
return key[selkey] || key[alias[selkey]];
}
function test_keys(){
var keylist = arguments;
...
Difference between require, include, require_once and include_once?
...ile only a single time in the current file.
Here in the example I have an test1.php.
<?php
echo "today is:".date("Y-m-d");
?>
and in another file that I have named test2.php
<?php
require_once('test1.php');
require_once('test1.php');
?>
as you are watching the m requir...
What is the difference in maven between dependency and plugin tags in pom xml?
...ed under dependency since it is used by surefire-plugin for executing unit-tests.
So, we can say, plugin is a Jar file which executes the task, and dependency is a Jar which provides the class files to execute the task.
Hope that answers your question!
...
How to estimate how much memory a Pandas' DataFrame will need?
...thought I would bring some more data to the discussion.
I ran a series of tests on this issue.
By using the python resource package I got the memory usage of my process.
And by writing the csv into a StringIO buffer, I could easily measure the size of it in bytes.
I ran two experiments, each one...
The tilde operator in Python
...
This is minor usage is tilde...
def split_train_test_by_id(data, test_ratio, id_column):
ids = data[id_column]
in_test_set = ids.apply(lambda id_: test_set_check(id_, test_ratio))
return data.loc[~in_test_set], data.loc[in_test_set]
the code above is from "H...
How to generate gcc debug symbol outside the build target?
...
Yes, I've tried it: gcc -ggdb -o test test.c; cp test test.debug; strip --only-keep-debug test.debug; strip test; objcopy --add-gnu-debuglink=test.debug test; Then it's ok to debug test
– zhaorufei
Oct 15 '10 at 23:58
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