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Thread-safe List property

...em.ServiceModel.dll (which is part of the client profile but not of the portable class library). Hope that helps. share | improve this answer | follow | ...
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The necessity of hiding the salt for a hash

...The salt really is there to make it so it isn't possible to form a rainbow table to crack your entire password database in one go if it gets broken into. From that point of view, so long as each salt is unique there is no difference, a brute force attack would be required with your salts or the encr...
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Select statement to find duplicates on certain fields

...ltiple records, you can use.. select field1,field2,field3, count(*) from table_name group by field1,field2,field3 having count(*) > 1 Check this link for more information on how to delete the rows. http://support.microsoft.com/kb/139444 There should be a criterion for deciding how you defi...
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What's the difference between django OneToOneField and ForeignKey?

....title Run python manage.py syncdb to execute the sql code and build the tables for your app in your database. Then use python manage.py shell to open a python shell. Create the Reporter object R1. In [49]: from thepub.models import Reporter, Article In [50]: R1 = Reporter(first_name='Rick') I...
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How to create Temp table with SELECT * INTO tempTable FROM CTE Query

I have a MS SQL CTE query from which I want to create a temporary table. I am not sure how to do it as it gives an Invalid Object name error. ...
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How to vertically align into the center of the content of a div with defined width/height?

...I have found you have four options: Version 1: Parent div with display as table-cell If you do not mind using the display:table-cell on your parent div, you can use of the following options: .area{ height: 100px; width: 100px; background: red; margin:10px; text-align: center; ...
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Detect Windows version in .net

...nment is running in, check out this library. Important note: if your executable assembly manifest doesn't explicitly state that your exe assembly is compatible with Windows 8.1 and Windows 10.0, System.Environment.OSVersion will return Windows 8 version, which is 6.2, instead of 6.3 and 10.0! Sourc...
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Create a .csv file with values from a Python list

...mns if each element is a list as well. This is pretty handy for outputting tables. – whatnick Oct 7 '14 at 5:22 6 ...
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sqlite alter table add MULTIPLE columns in a single statement

Is it possible to alter table add MULTIPLE columns in a single statement in sqlite? The following would not work. 4 Answers...
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How does MySQL process ORDER BY and LIMIT in a query?

...row. select t.article from (select article, publish_date from table1 order by publish_date desc limit 10) t order by t.publish_date asc; If you need all columns, it is done this way: select t.* from (select * from table1 order by publish_date desc limit 10) ...