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Sorting an ArrayList of objects using a custom sorting order
...urn name.compareTo(other.name);
}
// Add/generate getters/setters and other boilerplate.
}
so that you can just do
List<Contact> contacts = new ArrayList<Contact>();
// Fill it.
Collections.sort(contacts);
If you want to define an external controllable ordering (which ov...
Check if two linked lists merge. If so, where?
...wed" it was meant "you may change but in the end they should be restored", and
we could iterate the lists exactly twice
the following algorithm would be the solution.
First, the numbers. Assume the first list is of length a+c and the second one is of length b+c, where c is the length of their co...
Using psql how do I list extensions installed in a database?
...
@SoichiHayashi \dx is a psql command which was introduced with 9.0 when the create extension feature was released. So yes, you need to upgrade your psql as well (you should always use the psql version that matches your DB version)
– a_h...
How to handle Objective-C protocols that contain properties?
...tocol, you have to do everything to make sure anObject works.
@property and @synthesize are at heart two mechanisms that generate code for you. @property is just saying there will be a getter (and/or setter) method for that property name. These days @property alone is enough to also have method...
Function to calculate distance between two coordinates
I'm currently using the function below and it doesn't work properly. According to Google Maps, the distance between these coordinates (from 59.3293371,13.4877472 to 59.3225525,13.4619422 ) are 2.2 kilometres while the function returns 1.6 kilometres. How can I make this function return the ...
How do I create an array of strings in C?
...se pointers will then be set to the addresses of the static strings "blah" and "hmm".
If you do want to be able to change the actual string content, the you have to do something like
char a[2][14];
strcpy(a[0], "blah");
strcpy(a[1], "hmm");
This will allocate two consecutive arrays of 14 chars e...
Command to escape a string in bash
I need a bash command that will convert a string to something that is escaped. Here's an example:
3 Answers
...
Unicode character in PHP string
...ITIES');
or make use of the direct mapping between UTF-16BE (big endian) and the Unicode codepoint:
echo mb_convert_encoding("\x10\x00", 'UTF-8', 'UTF-16BE');
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Why use iterators instead of array indices?
...ou closer to container independence. You're not making assumptions about random-access ability or fast size() operation, only that the container has iterator capabilities.
You could enhance your code further by using standard algorithms. Depending on what it is you're trying to achieve, you may e...
也来说说ReactOS的调试 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...类….有错的地方大家别笑,看ReactOS的源码好多天了,许多windows下不...By::ProgrammeBoy
Blog:http://hi.baidu.com/ProgrammeBoy
老鸟飞过,科普类….有错的地方大家别笑,
看ReactOS的源码好多天了,许多windows下不明白的地方看看ReactOS的代码也...