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PostgreSQL return result set as JSON array?
...ility, I don't see any particular problem. It simplifies your app code and means there's less to maintain in that portion of the app. If PG can give you exactly the result you need out of the box, the only reason I can think of to not use it would be performance considerations. Don't reinvent the wh...
Are trailing commas in arrays and objects part of the spec?
... the ECMAScript 5 specification:
ObjectLiteral :
{ }
{ PropertyNameAndValueList }
{ PropertyNameAndValueList , }
So yes, it is part of the specification.
Update: Apparently this is new in ES5. In ES3 (page 41), the definition was just:
ObjectLiteral :
{ }
{ PropertyNameAnd...
How is set() implemented?
...l you proved is that looking up X is done in constant time, but it doesn't mean that time for looking up X+Y will take the same amount of time which is what O(1) is all about.
– Shay Erlichmen
Oct 16 '10 at 15:15
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When should I use the “strictfp” keyword in java?
... other words, it's about making sure that Write-Once-Run-Anywhere actually means Write-Once-Get-Equally-Wrong-Results-Everywhere.
With strictfp your results are portable, without it they are more likely to be accurate.
shar...
Inheritance vs. Aggregation [closed]
...pically inherits both the implementation and the interface. This, in turn, means that you're forced to accept both as constraints on your class.
With aggregation, you get to choose either implementation or interface, or both -- but you're not forced into either. The functionality of an object is l...
What are the main uses of yield(), and how does it differ from join() and interrupt()?
...t thread give up its current timeslice, but not its
entire quantum. This means that depending on the priorities of other
threads, the yielding thread can be scheduled back in one interrupt
period later. (See the section on thread scheduling for more
information on timeslices.)
Linux
...
What is null in Java?
...ithout raising a ClassCastException. Otherwise the result is false.
This means that for any type E and R, for any E o, where o == null, o instanceof R is always false.
What set does 'null' belong to?
JLS 4.1 The Kinds of Types and Values
There is also a special null type, the type of t...
PHP Regex to get youtube video ID?
Can someone show me how to get the youtube id out of a url regardless of what other GET variables are in the URL.
19 Answer...
How to add a custom Ribbon tab using VBA?
...t use VBA Excel to create custom tab in the Excel ribbon. You can however hide/make visible a ribbon component using VBA. Additionally, the link that you mentioned above is for MS Project and not MS Excel.
I create tabs for my Excel Applications/Add-Ins using this free utility called Custom UI Edit...
How can I insert values into a table, using a subquery with more than one result?
...
You want:
insert into prices (group, id, price)
select
7, articleId, 1.50
from article where name like 'ABC%';
where you just hardcode the constant fields.
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