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Can not deserialize instance of java.util.ArrayList out of START_OBJECT token

... a JSON Array - that would look like this: [ { "name": "Test order1", "detail": "ahk ks" }, { "name": "Test order2", "detail": "Fisteku" } ] Since you're not controlling the exact process of deserialization (RestEasy does) - a first option would be...
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INNER JOIN vs LEFT JOIN performance in SQL Server

...clustered index scans with a seek - meaning that this will literally be an order of magnitude faster with a large number of rows. So the conclusion is more or less what I mentioned several paragraphs above; this is almost certainly an indexing or index coverage problem, possibly combined with one o...
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What does yield mean in PHP?

...d of returning once, a generator can yield as many times as it needs to in order to provide the values to be iterated over. From this place: generators = generators, other functions (just a simple functions) = functions. So, they are useful when: you need to do things simple (or simple things); ge...
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SQL how to increase or decrease one for a int column in one command

I have an Orders table which has a Quantity column. During check in or check out, we need to update that Quantity column by one. Is there a way to do this in one action or we have to get the existing value and then add or minus one on top of it? ...
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Using PHP with Socket.io

...eck this one. This is really important! You need this javascript libary in order for you client.php or client.html to communicate with the server.php when you run it. https://github.com/walkor/phpsocket.io/tree/master/examples/chat/public/socket.io-client I just copy and pasted that socket.io-clie...
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Check if two lists are equal [duplicate]

... var a = ints1.SequenceEqual(ints2); Or if you don't care about elements order use Enumerable.All method: var a = ints1.All(ints2.Contains); The second version also requires another check for Count because it would return true even if ints2 contains more elements than ints1. So the more correct...
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Returning 'IList' vs 'ICollection' vs 'Collection'

...erface. IList<T> is essentially an ICollection<T> with random order-based access. In this case you should decide whether or not your results require list semantics such as order based indexing (then use IList<T>) or whether you just need to return an unordered "bag" of results (t...
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Can I use my existing git repo with openshift?

...lias here: git remote add openshift -f <openshift-git-repo-url> In order to then be able to push the code from your local git repo to openshift you first have to merge your openshift repo with your local bitbucket clone. You do that by issuing locally: git merge openshift/master -s recursiv...
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How to list all users in a Linux group?

...no good, portable way to do this that I know of. If you attempt to parse /etc/group, as others are suggesting, you will miss users who have that group as their primary group and anyone who has been added to that group via a mechanism other than UNIX flat files (i.e. LDAP, NIS, pam-pgsql, etc.). If...
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nginx missing sites-available directory

... virtual hosts. The problem I am having is that I can't seem to find the /etc/nginx/sites-available directory. 3 Answers ...