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Delete duplicate records in SQL Server?
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Re McGyver's comment - as of SQL 2012
MIN can be used with numeric, char, varchar, uniqueidentifier, or datetime columns, but not with bit columns
For 2008 R2 and earlier,
MIN can be used with numeric, char, varchar, or datetime columns, but not with bit columns (and it also doesn't wo...
How do I declare a 2d array in C++ using new?
...algorithms to do it. And the allocator "pads" each of your row arrays with extra bytes for bookkeeping and alignment. That extra space costs...well...extra space. The deallocator will also take extra time when you go to deallocate the matrix, painstakingly free-ing up each individual row allocation....
What is this: [Ljava.lang.Object;?
I get this when I call toString on an object I received from a function call. I know the type of the object is encoded in this string, but I don't know how to read it.
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vertical-align with Bootstrap 3
...t;
</div>
</div>
Bootply
Using inline-block adds extra space between blocks if you let a real space in your code (like ...</div> </div>...). This extra space breaks our grid if column sizes add up to 12:
<div class="row">
<div class="col-xs-6 col-m...
Escape quote in web.config connection string
I have a connection string in my web config:
5 Answers
5
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What is base 64 encoding used for?
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But why is base64 method used to encode string data? eg in javascript atob function Is there meaning the server to encode a json file to base64 format? Special characters could be a use case but why not utf8 in that case, are they equibalent? Any further resource ...
Apply formula to the entire column
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Let's say you want to substitute something in an array of string and you don't want to perform the copy-paste on your entire sheet.
Let's take this as an example:
String array in column "A": {apple, banana, orange, ..., avocado}
You want to substitute the char of "a" to "x" to ha...
Java: Subpackage visibility?
...sInA in package a.b:
package a;
public class ClassInA{
private final String data;
public ClassInA(String data){ this.data = data; }
public String getData(){ return data; }
protected byte[] getDataAsBytes(){ return data.getBytes(); }
protected char[] getDataAsChars(){ return...
Java: function for arrays like PHP's join()?
I want to join a String[] with a glue string. Is there a function for this?
22 Answers
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Samples of Scala and Java code where Scala code looks simpler/has fewer lines?
...cker's example and use Scala's case classes:
case class Person(firstName: String, lastName: String)
The above Scala class contains all features of the below Java class, and some more - for example it supports pattern matching (which Java doesn't have). Scala 2.8 adds named and default arguments, ...