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Facebook App: localhost no longer works as app domain

...working on localhost, port 3000 I did the following: Create App Now Select "+ Create Test App" from the arrow dropdown (top left). Add localhost to App Domains Add http://localhost:3000/ to Site URL by selected "+ Add Platform" Up to this point I had followed all previous answer...
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Nearest neighbors in high-dimensional data?

... First, the number of features (columns) in a data set is not a factor in selecting a distance metric for use in kNN. There are quite a few published studies directed to precisely this question, and the usual bases for comparison are: the underlying statistical distribution of your data; the rel...
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Drop multiple tables in one shot in mysql

... of tables to be deleted. Get table using the below For sql server - SELECT CONCAT(name,',') Table_Name FROM SYS.tables; For oralce - SELECT CONCAT(TABLE_NAME,',') FROM SYS.ALL_TABLES; Copy and paste the table names from the result set and paste it after the DROP command. ...
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Transaction isolation levels relation with locks on table

... writes data and commit/rollback (depending on results). B just executes a SELECT statement to read data. C reads and updates data. All these process work on the same table T. READ UNCOMMITTED - no lock on the table. You can read data in the table while writing on it. This means A writes data (unc...
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Easier way to debug a Windows service

...classes. The solution I came up with uses the Environment.Interactive the select running mode, as suggested by other answers to this post. static void Main() { ServiceBase[] servicesToRun; servicesToRun = new ServiceBase[] { new MyService() }; if (Environment.UserInter...
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How to get jQuery dropdown value onchange event

... $('#drop').change( function() { var val1 = $('#pick option:selected').val(); var val2 = $('#drop option:selected').val(); // Do something with val1 and val2 ... } ); share | ...
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Is there a JSON equivalent of XQuery/XPath?

...g tools including filtering, recursive search, sorting, mapping, range selection, and flexible expressions with wildcard string comparisons and various operators. JSONselect has another point of view on the question (CSS selector-like, rather than XPath) and has a JavaScript implementation. ...
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Is it possible to open a Windows Explorer window from PowerShell?

...tion looking for a way to open an Explorer window from PowerShell and also select a file. I'm adding this answer in case others come across it for the same reason. To launch Explorer and select a file, use Invoke-Expression: Invoke-Expression "explorer '/select,$filePath'" There are probably oth...
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What's the difference between TRUNCATE and DELETE in SQL

...tranTest | DELETE FROM tranTest | | SELECT * FROM tranTest | SELECT * FROM tranTest | | ROLLBACK | ROLLBACK | | SELECT * FROM tranTest | SELE...
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How to get TimeZone from android mobile?

...ndar.getInstance(); TimeZone tz = cal.getTimeZone(); It will return user selected timezone. share | improve this answer | follow | ...