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Where can I get Google developer key

...velopers Console interface was overhauled again. For the new interface: Select your project from the toolbar. Open the "Gallery" using hamburger menu icon on the left side of the toolbar and select 'API Manager'. Click 'Credentials' in the left-hand navigation. Alternatively, you can click 'Sw...
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How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?

...and re-try where necessary. Some attempted solutions also fail to consider SELECT races. If you try the obvious and simple: -- THIS IS WRONG. DO NOT COPY IT. It's an EXAMPLE. BEGIN; UPDATE testtable SET somedata = 'blah' WHERE id = 2; -- Remember, this is WRONG. Do NOT COPY IT. INSERT INTO testt...
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Why does MYSQL higher LIMIT offset slow the query down?

...h more than 16 million records [2GB in size]. The higher LIMIT offset with SELECT, the slower the query becomes, when using ORDER BY *primary_key* ...
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How to get last N records with activerecord?

...e-wise - at least not up to Rails 3.1. SomeModel.last(5) will execute the select statement without a limit, returning all records of SomeModel to Ruby as an array, after which Ruby will pick out the last (5) elements. Efficiency-wise, currently, you want to use limit - particularly if you have pote...
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Linq to Entities join vs groupjoin

...Join syntax would be from p in Parent join c in Child on p.Id equals c.Id select new { p.Value, c.ChildValue } returning an IEnumerable<X> where X is an anonymous type with two properties, Value and ChildValue. This query syntax uses the Join method under the hood. GroupJoin syntax would be ...
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“query function not defined for Select2 undefined error

Trying to use Select2 and getting this error on multiple item input/text field: 13 Answers ...
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How does UTF-8 “variable-width encoding” work?

... Like this: 0xxx xxxx A single-byte US-ASCII code (from the first 127 characters) The multi-byte code-points each start with a few bits that essentially say "hey, you need to also read the next byte (or two, or three) to figure out what I am." They are: 110x xxxx One more byte follows 11...
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What method in the String class returns only the first N characters?

...input string to is longer than the provided length N , only the first N characters are to be displayed. 12 Answers ...
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List of all index & index columns in SQL Server DB

...lumns. EDIT: This query's getting pretty close to what you're looking for: SELECT TableName = t.name, IndexName = ind.name, IndexId = ind.index_id, ColumnId = ic.index_column_id, ColumnName = col.name, ind.*, ic.*, col.* FROM sys.indexes ind INNER JOI...
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Counting the number of option tags in a select tag in jQuery

How do I count the number of <option> s in a <select> DOM element using jQuery? 8 Answers ...