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How to align center the text in html table row?

I am using an HTML <table> and I want to align the text of <td> to the center in each cell. 7 Answers ...
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How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?

...ions: Individual insert/update operations in a retry loop; or Locking the table and doing batch merge Individual row retry loop Using individual row upserts in a retry loop is the reasonable option if you want many connections concurrently trying to perform inserts. The PostgreSQL documentation co...
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SQL Server loop - how do I loop through a set of records

...EGIN SET @MyCursor = CURSOR FOR select top 1000 YourField from dbo.table where StatusID = 7 OPEN @MyCursor FETCH NEXT FROM @MyCursor INTO @MyField WHILE @@FETCH_STATUS = 0 BEGIN /* YOUR ALGORITHM GOES HERE */ FETCH NEXT FROM...
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Want to find records with no associated records in Rails

... Just imagine you have 10000000 records in friends table. What about performance in that case? – goodniceweb Dec 20 '16 at 14:51 ...
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How to join (merge) data frames (inner, outer, left, right)

...f performance is a major issue for you, you should also look into the data.table package - that's a whole new set of join syntax, but it's radically faster than anything we're talking about here. – Matt Parker Feb 12 '13 at 16:22 ...
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When is SQLiteOpenHelper onCreate() / onUpgrade() run?

I have created my tables in my SQLiteOpenHelper onCreate() but receive 15 Answers ...
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EF Code First “Invalid column name 'Discriminator'” but no inheritance

I have a table in my database called SEntries (see below the CREATE TABLE statement). It has a primary key, a couple of foreign keys and nothing special about it. I have many tables in my database similar to that one, but for some reason, this table ended up with a "Discriminator" column on the EF P...
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How to disable scrolling in UITableView table when the content fits on the screen

I have a few (grouped style) tables in my iphone app (only on part of the screen and added with Interface Builder though, not subclassed from UITableViewController ) that 80% of the time are small and will fit on the screen. When the table fits on the screen, I'd like to disable scrolling, to ma...
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Resizing UITableView to fit content

...ve a question in a UILabel and a multiple choice answers displayed in UITableView , each row showing a multiple choice. Questions and answers will vary, so I need this UITableView to be dynamic in height. ...
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Sort rows in data.table in decreasing order on string key `order(-x,v)` gives error on data.table 1.

Let's say I have the following data.table in R : 3 Answers 3 ...