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`ui-router` $stateParams vs. $state.params
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The documentation reiterates your findings here: https://github.com/angular-ui/ui-router/wiki/URL-Routing#stateparams-service
If my memory serves, $stateParams was introduced later than the original $state.params, and seems to be a simple helper injector to avoid continuou...
Why should I avoid std::enable_if in function signatures
...+11.
He wrote that one item in the book could be "Avoid std::enable_if in function signatures" .
3 Answers
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How can I print the contents of a hash in Perl?
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Data::Dumper is your friend.
use Data::Dumper;
my %hash = ('abc' => 123, 'def' => [4,5,6]);
print Dumper(\%hash);
will output
$VAR1 = {
'def' => [
4,
5,
6
],
'abc' => 123
...
Parse query string into an array
...alone is note accurate, it could display for example:
$url = "somepage?id=123&lang=gr&size=300";
parse_str() would return:
Array (
[somepage?id] => 123
[lang] => gr
[size] => 300
)
It would be better to combine parse_str() with parse_url() like so:
$url = "som...
How to calculate “time ago” in Java?
...public static void main(String args[]) {
System.out.println(toDuration(123));
System.out.println(toDuration(1230));
System.out.println(toDuration(12300));
System.out.println(toDuration(123000));
System.out.println(toDuration(1230000));
System.out.println(toDuration(12300000))...
Why would I ever use push_back instead of emplace_back?
... will be invalid after the call.
std::vector<int> v;
v.emplace_back(123);
v.emplace_back(v[0]); // Produces incorrect results in some compilers
On one compiler, v contains the values 123 and 21 instead of the expected 123 and 123. This is due to the fact that the 2nd call to emplace_back re...
Interview question: Check if one string is a rotation of other string [closed]
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Here's one using regex just for fun:
boolean isRotation(String s1, String s2) {
return (s1.length() == s2.length()) && (s1 + s2).matches("(.*)(.*)\\2\\1");
}
You can make it a bit simpler if you can use a special delimiter character guaranteed...
Good tutorials on XMPP? [closed]
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This is probably way too basic, but at least it's technical: https://web.archive.org/web/20170916193014/http://www.adarshr.com/fun-with-xmpp-and-google-talk and the second part, https://web.archive.org/web/20171005104211/http://www.adarshr.com:80/fun-with-xmpp-and-google-talk-part-2
I...
Python equivalent of D3.js
...dated more recently. Though the examples are all static D3.
more info:
https://github.com/wrobstory/vincent
https://pypi.python.org/pypi/vincent/0.1.6
The graphs can be viewed in Ipython, just add this code
vincent.core.initialize_notebook()
Or output to JSON where you can view the JSON o...
CDN（内容分发网络）技术原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...进行了调整，所以解析函数库一般得到的是该域名对应的CNAME记录，为了得到实际IP地址，浏览器需要再次对获得的CNAME域名进行解析以得到实际的IP地址；在此过程中，使用的全局负载均衡DNS解析，如根据地理位置信息解析对应...