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How to implement a tree data-structure in Java? [closed]
...dy have the table records relationship but just unsure i can populate them into a tree using your library.
– d4v1dv00
Apr 7 '15 at 15:03
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Why is it important to override GetHashCode when Equals method is overridden?
...sed (in the absence of a custom IEqualityComparer<T>) to group items into buckets. If the hash-code for two items does not match, they may never be considered equal (Equals will simply never be called).
The GetHashCode() method should reflect the Equals logic; the rules are:
if two things a...
How do I use Linq to obtain a unique list of properties from a list of objects?
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IEnumerable<int> ids = list.Select(x=>x.ID).Distinct();
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What does dot (.) mean in a struct initializer?
...h still works, of course.
So for the following struct:
struct demo_s {
int first;
int second;
int third;
};
...you can use
struct demo_s demo = { 1, 2, 3 };
...or:
struct demo_s demo = { .first = 1, .second = 2, .third = 3 };
...or even:
struct demo_s demo = { .first = 1...
Can we open pdf file using UIWebView on iOS?
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Please first create path of your pdf and convert it to url and use this code to load web view, its working for me so please use same in your code
– dheerendra
Dec 9 '13 at 12:37
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How to construct a relative path in Java from two absolute paths (or URLs)?
...t for file path there's java.nio.file.Path#relativize since Java 1.7, as pointed out by @Jirka Meluzin in the other answer.
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What does |= (ior) do in Python?
... == (0 | 0)
We now extend this idea beyond binary numbers. Given any two integral numbers (lacking fractional components), we apply the bitwise OR and get an integral result:
>>> a = 10
>>> b = 16
>>> a | b
26
How? In general, the bitwise operations follow some "rule...
Add new item count to icon on button - Android
...have functional app but wonder how to even approach this? Particulary, I'm interested in how to show Number of "New" items under tabs. What I KNOW how to do - is create new icons with red dots and just display them when new stuff available.
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How to use Servlets and Ajax?
... further. It allows for more dynamics. First, you'd like to have a tool to convert between Java objects and JSON strings. There are plenty of them as well (see the bottom of this page for an overview). My personal favourite is Google Gson. Download and put its JAR file in /WEB-INF/lib folder of your...
python pandas dataframe to dictionary
I've a two columns dataframe, and intend to convert it to python dictionary - the first column will be the key and the second will be the value. Thank you in advance.
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