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Postgres unique constraint vs index
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Let's check uniqueness, just in case.
test=# insert into master values (0, 0);
INSERT 0 1
test=# insert into master values (0, 1);
ERROR: duplicate key value violates unique constraint "master_con_id_key"
DETAIL: Key (con_id)=(0) already exists.
test=# insert into master values (1, 0);
ERROR: ...
Difference between .tagName and .nodeName
What is the difference between $('this')[0].nodeName and $('this')[0].tagName ?
4 Answers
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Calling clojure from java
...intln (str "(binomial 5 3): " (binomial 5 3)))
(println (str "(binomial 10042 111): " (binomial 10042 111)))
)
If you run it, you should see something like:
(binomial 5 3): 10
(binomial 10042 111): 49068389575068144946633777...
And here's a Java program that calls the -binomial function in th...
Why do all browsers' user agents start with “Mozilla/”?
...y.
In summary:
Mozilla browser gets released, with User-Agent Mozilla/1.0 (Win3.1). It is publicly renamed to Netscape, but in its User-Agent it keeps its original name .
Internet Explorer is released. It spoofs Netscape by starting its User-Agent with Mozilla/ because web servers were routinely ...
Linq to EntityFramework DateTime
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202
When using LINQ to Entity Framework, your predicates inside the Where clause get translated to ...
Reasons that the passed Intent would be NULL in onStartCommand
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50
I'm surprised there's no discussion of the incoming flags. I'm going to monitor this in the logs...
AJAX post error : Refused to set unsafe header “Connection”
...ladimir PalantWladimir Palant
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5
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SVG Positioning
...just put the transformation in the g element:
<g transform="translate(20,2.5) rotate(10)">
<rect x="0" y="0" width="60" height="10"/>
</g>
Links: Example from the SVG 1.1 spec
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Align two inline-blocks left and right on same line
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150
Edit: 3 years has passed since I answered this question and I guess a more modern solution is ne...
How to Get a Layout Inflater Given a Context?
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answered Feb 6 '10 at 5:45
Dave WebbDave Webb
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