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How do I install cygwin components from the command line?
...tended setup mode').
(Note that you need to use setup-x86.exe or setup-x86_64.exe as appropriate.)
See http://cygwin.com/packages/ for the package list.
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...
C++ sorting and keeping track of indexes
...; // std::iota
#include <algorithm> // std::sort, std::stable_sort
using namespace std;
template <typename T>
vector<size_t> sort_indexes(const vector<T> &v) {
// initialize original index locations
vector<size_t> idx(v.size());
iota(idx.begin(), id...
Image Greyscale with CSS & re-color on mouse-over?
...kground: url(http://4.bp.blogspot.com/-IzPWLqY4gJ0/T01CPzNb1KI/AAAAAAAACgA/_8uyj68QhFE/s400/a2cf7051-5952-4b39-aca3-4481976cb242.jpg);
}
svg image {
transition: all .6s ease;
}
svg image:hover {
opacity: 0;
}
<p>Firefox, Chrome, Safari, IE6-9</p>
<img class="grayscale...
How can I connect to a Tor hidden service using cURL in PHP?
...
You need to set option CURLOPT_PROXYTYPE to CURLPROXY_SOCKS5_HOSTNAME, which sadly wasn't defined in old PHP versions, circa pre-5.6; if you have earlier in but you can explicitly use its value, which is equal to 7:
curl_setopt($ch, CURLOPT_PROXYTYPE, 7...
To underscore or to not to underscore, that is the question
...
I use _ only for private fields, however I almost never have private fields due to 3.5 auto property. Generally the only time I have a private field is if I implement lazy loading on non-primitive types.
– Chr...
How to print a stack trace in Node.js?
...rames, you can use the command-line argument to increase this, e.g. --stack_trace_limit=200
– Michael
May 15 '16 at 7:15
1
...
Disable individual Python unit tests temporarily
...he unittest.skip decorator.
@unittest.skip("reason for skipping")
def test_foo():
print('This is foo test case.')
@unittest.skip # no reason needed
def test_bar():
print('This is bar test case.')
For other options, see the docs for Skipping tests and expected failures.
...
How to Load an Assembly to AppDomain with all references recursively?
...another domain.
class ProxyObject : MarshalByRefObject
{
private Type _type;
private Object _object;
public void InstantiateObject(string AssemblyPath, string typeName, object[] args)
{
assembly = Assembly.LoadFrom(AppDomain.CurrentDomain.BaseDirectory + AssemblyPath); //Lo...
Javascript - How to detect if document has loaded (IE 7/Firefox 3)
...ame thing twice
arguments.callee.done = true;
// kill the timer
if (_timer) clearInterval(_timer);
// do stuff
};
/* for Mozilla/Opera9 */
if (document.addEventListener) {
document.addEventListener("DOMContentLoaded", init, false);
}
/* for Internet Explorer */
/*@cc_on @*/
/*@if (@_wi...
How do you serialize a model instance in Django?
...ango.core import serializers
# assuming obj is a model instance
serialized_obj = serializers.serialize('json', [ obj, ])
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