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Getting visitors country from their IP
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Actually, you can call http://api.hostip.info/?ip=123.125.114.144 to get the information, which is presented in XML.
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How can you determine a point is between two other points on a line segment?
Let's say you have a two dimensional plane with 2 points (called a and b) on it represented by an x integer and a y integer for each point.
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Is it .yaml or .yml?
...been obsolete for nearly 2 decades. If anything, I'd argue that the World-Wide Web deprecated it in the 90s. It's offensive that anybody even tries to care. Enough so that I'd file a bug against any piece of software that breaks because of it.
– Dave
Aug 1 '16 ...
How can I force clients to refresh JavaScript files?
...rsion of the file and they do not see the update. Obviously, on a support call, we can simply inform them to do a ctrl F5 refresh to ensure that they get the up-to-date files from the server, but it would be preferable to handle this before that time.
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BaseException.message deprecated in Python 2.6
...ize the message during the raise? His code showed the message being set by calling MyException("some message")
– eric.frederich
Aug 4 '10 at 20:07
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How do I include a pipe | in my linux find -exec command?
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@someguy - Wha? Avoiding xargs for efficiency reasons? Calling one instance of zcat, and passing it a list of multiple files, is far more efficient than exec-ing a new instance of it for each found file.
– Sherm Pendley
Nov 20 '08 at 22:44
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JUnit vs TestNG [closed]
... The biggest advantage TestNG has over JUnit is the ability to dynanmically generate test data for parameterized tests. Each test data element is a different "test", so it makes it really easy to create data-driven tests testng.org/doc/documentation-main.html#parameters
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What is the difference between HashSet and List?
...igned to give you a collection with O(1) random access than can grow dynamically (think dynamic array). You can test containment in O(n) time (unless the list is sorted, then you can do a binary search in O(log n) time).
Maybe you can explain with an example in what cases HashSet<T> should...
How to use the “number_to_currency” helper method in the model rather than view?
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It’s not available because its use in a model (typically) violates MVC (and it does seem to in your case). You're taking data and manipulating it for presentation. This, by definition, belongs in the view, not the model.
Here are some solutions:
Use a presenter or view mod...
C#对象序列化与反序列化 - 更多技术 - 清泛网 - 专注IT技能提升
....Name = name;
this.Sex = sex;
}
public override string ToString()
{
return "姓名：" + this.Name + "\t性别：" + (this.Sex ? "男" : "女");
}
}
[Serializable] //必须添加序列化特性
public class Programmer : ...