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Jenkins Host key verification failed
I have a problem with jenkins , setting "git", shows the following error:
13 Answers
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What is the relative performance difference of if/else versus switch statement in Java?
Worrying about my web application's performances, I am wondering which of "if/else" or switch statement is better regarding performance?
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Convert form data to JavaScript object with jQuery
How do I convert all elements of my form to a JavaScript object?
51 Answers
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Size-limited queue that holds last N elements in Java
A very simple & quick question on Java libraries: is there a ready-made class that implements a Queue with a fixed maximum size - i.e. it always allows addition of elements, but it will silently remove head elements to accomodate space for newly added elements.
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Do asynchronous operations in ASP.NET MVC use a thread from ThreadPool on .NET 4
I have too many misunderstandings in my mind about asynchronous operations on ASP.NET MVC.
6 Answers
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How to get object size in memory? [duplicate]
I need to know how much bytes my object consumes in memory (in C#). for example how much my Hashtable , or SortedList , or List<String> .
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FIND_IN_SET() vs IN()
I have 2 tables in my database. One is for orders, and one is for companies.
6 Answers
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Using Linq to get the last N elements of a collection?
Given a collection, is there a way to get the last N elements of that collection? If there isn't a method in the framework, what would be the best way to write an extension method to do this?
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What are the differences between virtual memory and physical memory?
I am often confused with the concept of virtualization in operating systems. Considering RAM as the physical memory, why do we need the virtual memory for executing a process?
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Show filename and line number in grep output
I am trying to search my rails directory using grep. I am looking for a specific word and I want to grep to print out the file name and line number.
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