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Warning: Null value is eliminated by an aggregate or other SET operation in Aqua Data Studio

... Wouldn't the solution specifically for the "opencases" column be simpler as just "select count(1)..." (or "count" of any other literal)? The Where clause already specifies "and closed is NULL" so no need for summing a case statement in this instance. Also...
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Convert XML String to Object

... You need to use the xsd.exe tool which gets installed with the Windows SDK into a directory something similar to: C:\Program Files\Microsoft SDKs\Windows\v6.0A\bin And on 64-bit computers: C:\Program Files (x86)\Microsoft SDKs\Windows\v6.0A\bin And on Windows 10 com...
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Call apply-like function on each row of dataframe with multiple arguments from each row

...ataframe with multiple columns. For each row in the dataframe, I want to call a function on the row, and the input of the function is using multiple columns from that row. For example, let's say I have this data and this testFunc which accepts two args: ...
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Fastest way to tell if two files have the same contents in Unix/Linux?

... Why don't you get the hash of both files content? Try this script, call it for example script.sh and then run it as follows: script.sh file1.txt file2.txt #!/bin/bash file1=`md5 $1` file2=`md5 $2` if [ "$file1" = "$file2" ] then echo "Files have the same content" else echo "Files h...
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Parsing huge logfiles in Node.js - read in line-by-line

...or a solution to parse very large files (gbs) line by line using a stream. All the third-party libraries and examples did not suit my needs since they processed the files not line by line (like 1 , 2 , 3 , 4 ..) or read the entire file to memory The following solution can parse very large files, li...
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What are the differences in die() and exit() in PHP?

... aliases allows programmers to use the one which is comfortable with. I remember exit better than die. Some others remember die better than exit. – mauris Nov 25 '09 at 6:35 ...
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Input placeholders for Internet Explorer

HTML5 introduced the placeholder attribute on input elements, which allows to display a greyed-out default text. 17 Ans...
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Java Immutable Collections

... Unmodifiable collections are usually read-only views (wrappers) of other collections. You can't add, remove or clear them, but the underlying collection can change. Immutable collections can't be changed at all - they don't wrap another collection - they h...
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Create the perfect JPA entity [closed]

...nd your time on what's important. Constructors: create a constructor with all required fields of the entity? Constructor(s) for application logic, should have only a few critical "foreign key" or "type/kind" fields which will always be known when creating the entity. The rest should be set by call...
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Enable SQL Server Broker taking too long

... long as there are transactions pending. Rollback immediate will terminate all of these. – libjup Apr 27 '14 at 13:33 add a comment  |  ...