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Nested select statement in SQL Server

... You need to alias the subquery. SELECT name FROM (SELECT name FROM agentinformation) a or to be more explicit SELECT a.name FROM (SELECT name FROM agentinformation) a share ...
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How do you use the “WITH” clause in MySQL?

...s mentioned, you provided a poor example - there's no need to perform a subselect if you aren't altering the output of the columns in any way: SELECT * FROM ARTICLE t JOIN USERINFO ui ON ui.user_userid = t.article_ownerid JOIN CATEGORY c ON c.catid = t.article_categoryid WHERE t....
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Why doesn't java.util.Set have get(int index)?

...tem, I can use set.iterator().next(), but otherwise it seems I have to cast to an Array to retrieve an item at a specific index? What are the appropriate ways of retrieving data from a set? (other than using an iterator) You should also familiarise yourself with the SortedSet inte...
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How do I put an 'if clause' in an SQL string?

... WHERE purchaseOrder_ID = '@purchaseOrder_ID' and not exists (SELECT * FROM itemsOrdered WHERE purchaseOrder_ID = '@purchaseOrdered_ID' AND status = 'PENDING' ) However, I might guess that you are looping at a higher level. To set all such v...
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How to Programmatically Add Views to Views

... As a coding practice, on findViewById, cast to ViewGroup or always the most generic form of an object so that if it changes from a LinearLayout to a RelativeLayout, you have no refactoring. – Joel Teply Apr 3 '15 at 16:59 ...
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Tri-state Check box in HTML?

...lternative would be to play with the checkbox transparency for the "some selected" state (as Gmail does used to do in previous versions). It will require some javascript and a CSS class. Here I put a particular example that handles a list with checkable items and a checkbox that allows to se...
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How to convert a Base64 string into a Bitmap image to show it in a ImageView?

... to you from API is Base64 Encoded and should be decoded first in order to cast it to a Bitmap object! -Take a look at your Base64 encoded String, If it starts with data:image/jpg;base64 The Base64.decode won't be able to decode it, So it has to be removed from your encoded String: final Str...
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Fastest way to determine if an integer is between two integers (inclusive) with known sets of values

... int inBetween2{ 0 }; for (int i = 1; i < MaxNum; ++i) { if (static_cast<unsigned>(num - randVec[i - 1]) <= (randVec[i] - randVec[i - 1])) ++inBetween2; } Pay attention that randVec is a sorted vector. For any size of MaxNum the first method beats the second one on my machi...
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CSS Selector that applies to elements with two classes

Is there a way to select an element with CSS based on the value of the class attribute being set to two specific classes. For example, let's say I have 3 divs: ...
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How to select between brackets (or quotes or …) in Vim?

...Computed solution coefficients: As CMS noted, this works for visual mode selection as well - just use vi), vi}, vi', etc. share | improve this answer | follow ...