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Is bool a native C type?
...language defined by the ANSI C89 / ISO C90 standard. Since C standards are now published by ISO first, and since there have been three ISO C standards, with varying levels of adoption, it's best to refer to the year the standard was publlshed (ISO C90, ISO C99, ISO C11) to avoid any confusion.
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Why does 1==1==1 return true, “1”==“1”==“1” return true, and “a...
...o being compared to true and is thus also considered to be equal to true.
Now, the "WHY?!?!" question is explained by the fact that Javascript has its roots in the C-family of languages. In which any number, other than 0 is considered to be a valid true boolean. :-/
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Where does Console.WriteLine go in ASP.NET?
... the fact that I'm starting this with F5 (so the debugger is attached). I know my code is being executed because I can write to a file fine.
– Kat
May 19 '15 at 19:55
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undefined method `source_index' for Gem:Module (NoMethodError)
...gems version prior to 2.0.0, like 1.8.25 to get the functionality back for now. You can get a compatible version using gem update --system 1.8.25.
As a very important aside, Rails 2.3.5 needs to be updated to a minimum of 2.3.17. There are critical security vulnerabilities that open you up to some ...
psql: could not connect to server: No such file or directory (Mac OS X)
...nstall postgresql
Start server : brew services start postgresql
You should now have to create your databases... (createdb)
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Is there a common Java utility to break a list into batches?
...lf a utility to break a list into batches of given size. I just wanted to know if there is already any apache commons util for this.
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How to get a list of MySQL views?
...db_name';
is better work directly with information_schema.VIEWS (observe now is VIEWS and not TABLES anymore), thus you can retrieve more data, use DESC VIEWS for more details:
+----------------------+---------------------------------+------+-----+---------+-------+
| Field | Type ...
What good are SQL Server schemas?
...a SQL 2000 guy and I've always been confused by schemas in 2005+. Yes, I know the basic definition of a schema, but what are they really used for in a typical SQL Server deployment?
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Run Java Code Online [closed]
...restrictions", maybe in the future i will add warnings or something. Right now "while(true){}" is working as expected. no prob.
– Sergio
Apr 27 '16 at 16:57
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quick random row selection in Postgres
...e optimal solution if you want only one row selected, because you need to know the COUNT of the table to calculate the exact percentage.
To avoid a slow COUNT and use fast TABLESAMPLE for tables from 1 row to billions of rows, you can do:
SELECT * FROM my_table TABLESAMPLE SYSTEM(0.000001) LIMI...