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What Makes a Good Unit Test? [closed]
...f test execution. Ensure 'clean slate' before each test by using setup/teardown appropriately
Professional: In the long run you'll have as much test code as production (if not more), therefore follow the same standard of good-design for your test code. Well factored methods-classes with intention-r...
Big O, how do you calculate/approximate it?
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I'll do my best to explain it here on simple terms, but be warned that this topic takes my students a couple of months to finally grasp. You can find more information on the Chapter 2 of the Data Structures and Algorithms in Java ...
Find the PID of a process that uses a port on Windows
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here how do i get only the pid, since it returns entire details
– Gobi M
Jun 6 '14 at 1:27
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Spring Boot: Unable to start EmbeddedWebApplicationContext due to missing EmbeddedServletContainerFa
I am totally new to Spring and started to do the official guides from this site:
https://spring.io/guides
27 Answers
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What is a database transaction?
...assical example is transferring money from one bank account to another. To do that you have first to withdraw the amount from the source account, and then deposit it to the destination account. The operation has to succeed in full. If you stop halfway, the money will be lost, and that is Very Bad.
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How to redirect all HTTP requests to HTTPS
...ample.com ) to HTTPS ( https://www.example.com ). I'm using PHP btw. Can I do this in .htaccess?
26 Answers
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Which Architecture patterns are used on Android? [closed]
I'm doing a small research of mobile platforms and I would like to know which design patterns are used in Android?
12 Answe...
MongoDB - Update objects in a document's array (nested updating)
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For question #1, let's break it into two parts. First, increment any document that has "items.item_name" equal to "my_item_two". For this you'll have to use the positional "$" operator. Something like:
db.bar.update( {user_id : 123456 , "items.item_name" : "my_item_two" } ,
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postgresql COUNT(DISTINCT …) very slow
...the replies (by Jeff Janes) says that COUNT(DISTINCT()) sorts the table to do its work instead of using hash.
– Ankur
Dec 9 '14 at 10:58
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How to pattern match using regular expression in Scala?
... letter of a word, and one of the letters in a group such as "ABC". In pseudocode, this might look something like:
7 Answer...
