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Is the primary key automatically indexed in MySQL?

...implicit when defining the primary key? Is the answer the same for MyISAM and InnoDB? 9 Answers ...
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make div's height expand with its content

I have these nested divs and I need the main container to expand (in height) to accommodate the DIVs inside 25 Answers ...
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How to get week number in Python?

...ndar() is an instance-method returning a tuple containing year, weeknumber and weekday in respective order for the given date instance. share | improve this answer | follow ...
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Application Loader: “Cannot proceed with delivery: an existing transporter instance is currently upl

...omputers - it's like the server is hung up on an op that I never initiated and it won't time out. Has anyone seen it before and beaten it? ...
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Sort an Array by keys based on another Array?

...y_merge works by starting with the array you give it (in the proper order) and overwriting/adding the keys with data from your actual array: $customer['address'] = '123 fake st'; $customer['name'] = 'Tim'; $customer['dob'] = '12/08/1986'; $customer['dontSortMe'] = 'this value doesnt need to be sort...
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How to programmatically close a JFrame

...tem.exit(...) will do exactly what you want in a very abrupt, brute-force, and possibly problematic fashion. If by Alt-F4 or X you mean hide the window, then frame.setVisible(false) is how you "close" the window. The window will continue to consume resources/memory but can be made visible again ver...
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alternatives to REPLACE on a text or ntext datatype

... IF your data won't overflow 4000 characters AND you're on SQL Server 2000 or compatibility level of 8 or SQL Server 2000: UPDATE [CMS_DB_test].[dbo].[cms_HtmlText] SET Content = CAST(REPLACE(CAST(Content as NVarchar(4000)),'ABC','DEF') AS NText) WHERE Content LIKE '%...
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How are feature_importances in RandomForestClassifier determined?

......). It is sometimes called "gini importance" or "mean decrease impurity" and is defined as the total decrease in node impurity (weighted by the probability of reaching that node (which is approximated by the proportion of samples reaching that node)) averaged over all trees of the ensemble. In th...
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How to check an Android device is HDPI screen or MDPI screen?

... Density values described at: developer.android.com/guide/practices/screens_support.html – esilver Jan 21 '14 at 21:52 1 ...
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When to use thread pool in C#? [closed]

I have been trying to learn multi-threaded programming in C# and I am confused about when it is best to use a thread pool vs. create my own threads. One book recommends using a thread pool for small tasks only (whatever that means), but I can't seem to find any real guidelines. What are some consid...