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What does (angle brackets) mean in Java?
I am currently studying Java and have recently been stumped by angle brackets(). What exactly do they mean?
6 Answers
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How do I use the new computeIfAbsent function?
...ould serve as another illustration on how to use the method.
We can start by defining a map and putting the values in it for the base cases, namely, fibonnaci(0) and fibonacci(1):
private static Map<Integer,Long> memo = new HashMap<>();
static {
memo.put(0,0L); //fibonacci(0)
mem...
How do I copy a version of a single file from one git branch to another?
...oes work, you just need to wrap them with '' so they don't get interpreted by the shell.
– Wiktor Czajkowski
May 21 '18 at 15:06
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show 12 m...
A good example for boost::algorithm::join
...ring which returns a string value.Can I use join to join a vector<A> by calling ToString on each element?
– Ken Zhang
Feb 8 '18 at 2:56
add a comment
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How do I delete multiple rows in Entity Framework (without foreach)
...g it in foreach loop, it first fetches all the rows and then delete is one by one, only gain is for saving "DetectChanges will be called once before delete any entities and will not be called again" rest is same, try using tool to see sql generated.
– Anshul Nigam
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How to create enum like type in TypeScript?
...rtSize {
Small,
Medium,
Large
}
var mySize = TShirtSize.Large;
By default, these enumerations will be assigned 0, 1 and 2 respectively. If you want to explicitly set these numbers, you can do so as part of the enum declaration.
Listing 6.2 Enumerations with explicit members
enum TShirt...
How to use timeit module
...m for precisely the reason you gave. I thought I can improve your approach by choosing one input, running the algorithm 7 times, taking the minimum; then repeating it for 1000 different inputs, and taking the average. What I didn't realize is that your .repeat(7,1000) already does this (by using th...
Optional Parameters with C++ Macros
...mpty first argument (comma) is important. ##__VA_ARGS__ if it’s preceded by a comma–it removes the comma if ##__VA_ARGS__ expands to nothing. You can see it in the "Becomes..." example as the first (no arguments) line has only 6 parameters but the rest get 7. This trick ensures that the no argum...
How can I specify a local gem in my Gemfile?
...
You can make this slightly cleaner by using a .gitignored symlink to your local gem in your project directory -- that way you can use source control on both projects separately and others can do the same without having an identical directory structure.
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No serializer found for class org.hibernate.proxy.pojo.javassist.Javassist?
...ar problem with lazy loading via the hibernate proxy object. Got around it by annotating the class having lazy loaded private properties with:
@JsonIgnoreProperties({"hibernateLazyInitializer", "handler"})
I assume you can add the properties on your proxy object that breaks the JSON serialization...