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Joins are for lazy people?
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Joining in the app server can be more efficient if joining on the database causes severe redundancy in the result set sent over the network. Consider tables A and B, where each row in A is associated with 20 rows in B, B has only 100 rows, and we want to fetch the first 10...
Get the value in an input text box
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@ParbhuBissessar Not necessarily. If he wants the literal text 'bla', the he's got it right. If he wants the val of the var bla then he needs to remove the quotes.
– double_j
Nov 15 '16 at 21:49
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Calculating arithmetic mean (one type of average) in Python
...is a bad variable name because it looks so much like 1. Also, I would use if l rather than if len(l) > 0. See here
– zondo
Apr 13 '16 at 22:40
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How do I see all foreign keys to a table or column?
... @Acute: Are you sure you are asking about the correct table? If Node's query work, then you are likely asking about the other direction (i.e., keys FROM mytable, not keys TO mytable.) This expecting you wrote '<table>' with the table name and without the '<' and '>'?
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reading from app.config file
... = Int32.Parse(ConfigurationManager.AppSettings["StartingMonthColumn"]);
If you still have problems reading in your app settings then check that your app.config file is named correctly. Specifically, it should be named according to the executing assembly i.e. MyApp.exe.config, and should reside in...
What, exactly, is needed for “margin: 0 auto;” to work?
...lement being centered for it to work.
1 There is one exception to this: if your fixed or absolutely positioned element has left: 0; right: 0, it will center with auto margins.
2 Technically, margin: 0 auto does work with an auto width, but the auto width takes precedence over the auto margins, a...
How to enumerate an enum
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This doesn't work if you have duplicate values in the enumerator list.
– Jessy
Jun 17 '12 at 3:50
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How to use the “required” attribute with a “radio” input field
...every radio button field need the attribute like below or is it sufficient if only one field gets it?
5 Answers
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postgresql - add boolean column to table set default
... ADD COLUMN "priv_user" BOOLEAN DEFAULT FALSE;
you can also directly specify NOT NULL
ALTER TABLE users
ADD COLUMN "priv_user" BOOLEAN NOT NULL DEFAULT FALSE;
UPDATE: following is only true for versions before postgresql 11.
As Craig mentioned on filled tables it is more efficient to split i...
Testing Private method using mockito
... answered Jan 10 '12 at 6:43
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