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Getting visitors country from their IP
...for a defined period. Also, as a note, you should never rely on another website to get any data, the website might go down, the service could stop, etc. And if you get an increased number of visitors on your website, this service could ban you.
– machineaddict
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How can I force clients to refresh JavaScript files?
... For a development webapp, it's maybe a good solution. For a production site, where you do not want to invalidate cache forever, it's not a good solution unless you know that each and every target client browser has come to the site. It makes me think of a potential web server feature: adapt the ...
Accept function as parameter in PHP
I've been wondering whether is possible or not to pass a function as parameter in PHP; I want something like when you're programming in JS:
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Does Javascript pass by reference? [duplicate]
... in the surrounding scope.
This also applies to Strings, which are a composite data type and yet immutable:
var str = "foo";
function f(str) {
str[0] = "b"; // doesn't work, because strings are immutable
console.log("inside of f:", str);
}
f(str);
console.log("outside of f:", str...
How to check if an object is a list or tuple (but not string)?
... tuple - but not a str . Because many times I stumbled upon bugs where a function passes a str object by mistake, and the target function does for x in lst assuming that lst is actually a list or tuple .
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How to convert int to QString?
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Unfortunately, the link to the Nokia site no longer works.
– Eliyahu Skoczylas
May 22 '16 at 16:35
add a comment
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How to measure time taken by a function to execute
... non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.
Besides browser support, performance.now seems to have the ...
How is an overloaded method chosen when a parameter is the literal null value?
...("Hello methodC");
}
}
public class MyTest {
public static void fun(B Obj){
System.out.println("B Class.");
}
public static void fun(A Obj){
System.out.println("A Class.");
}
public static void main(String[] args) {
fun(null);
}
}
output...
How to validate an OAuth 2.0 access token for a resource server?
...JavaHead there are some more protocol details covered on our developer web site here: developer.pingidentity.com/en/resources/…, the PingFederate OAuth Playground ships as a set of JSPs that can be referenced as source code for validating tokens. It (and other open source libraries and samples) ca...
App Inventor 2开发计步器与定位器 - App Inventor 2 中文网 - 清泛IT论坛，有思想、有深度
...说明可以参考我摘录的官方的一个说明：http://blog.sina.com.cn/s/blog_66fa66650102w7is.html以及我在实施地图调用过程中的一些记录说明：http://blog.sina.com.cn/s/blog_66fa66650102wwfl.html（3）调用高德地图：
高德地图的uri参考地址：http://lbs.amap....