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How to create a unique index on a NULL column?
I am using SQL Server 2005. I want to constrain the values in a column to be unique, while allowing NULLS.
4 Answers
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What are the rules for evaluation order in Java?
...So now you have enough information to answer your question. In a[b] = b = 0 the rules of associativity say that this is a[b] = (b = 0); but that does not mean that the b=0 runs first! The rules of precedence say that indexing is higher precedence than assignment, but that does not mean that the ind...
Why can I create a class named “var”?
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101
var is not a keyword according to this list.
it is a contextual keyword, so from the context t...
Check if an array is empty or exists
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if (typeof image_array !== 'undefined' && image_array.length > 0) {
// the array is defined and has at least one element
}
Your problem may be happening due to a mix of implicit global variables and variable hoisting. Make sure you use var whenever declaring a variable:
<?php e...
Creating a URL in the controller .NET MVC
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edited Oct 18 '17 at 10:54
freedomn-m
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answer...
jQuery .each() index?
...clicker", function() {
run_each();
});
.results {
background: #000;
height: 150px;
overflow: auto;
color: lime;
font-family: arial;
padding: 20px;
}
.container {
display: flex;
}
.one,
.two,
.three {
width: 33.3%;
}
.one {
background: yellow;
text...
Can I find out the return value before returning while debugging in Intellij?
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edited Feb 16 '11 at 1:10
answered Feb 16 '11 at 1:01
jlu...
Hex transparency in colors [duplicate]
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10 Answers
10
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I don't remember my android debug.keystore password
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Asaf NevoAsaf Nevo
9,5501818 gold badges6767 silver badges139139 bronze badges
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JVM option -Xss - What does it do exactly?
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answered Feb 11 '11 at 10:25
T.J. CrowderT.J. Crowder
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