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Which rows are returned when using LIMIT with OFFSET in MySQL?
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OFFSET is nothing but a keyword to indicate starting cursor in table
SELECT column FROM table LIMIT 18 OFFSET 8 -- fetch 18 records, begin with record 9 (OFFSET 8)
you would get the same result form
SELECT column FROM table LIMIT 8, 18
visual representation ...
How to enable Ad Hoc Distributed Queries
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If ad hoc updates to system catalog is "not supported", or if you get a "Msg 5808" then you will need to configure with override like this:
EXEC sp_configure 'show advanced options', 1
RECONFIGURE with override
GO
EXEC sp_configure 'ad hoc distributed ...
How do I get the localhost name in PowerShell?
How do I get the localhost (machine) name in PowerShell? I am using PowerShell 1.0.
7 Answers
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How to append the output to a file?
How can I do something like command > file in a way that it appends to the file, instead of overwriting?
3 Answers
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Matplotlib Legends not working
...plt.plot(a,b)
plot2, = plt.plot(a,c)
The reason you need the commas is because plt.plot() returns a tuple of line objects, no matter how many are actually created from the command. Without the comma, "plot1" and "plot2" are tuples instead of line objects, making the later call to plt.legend() fail...
What is the `data-target` attribute in Bootstrap 3?
Can you tell me what is the system or behavior behind the data-target attribute used by Bootstrap 3?
2 Answers
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How do I make many-to-many field optional in Django?
... This does solve the problem. Using the blank was not as obvious to me because I thought the manytomany created a table that links the events with the groups (events = models.ManyToManyField(Event, related_name="groups", blank=True) So it was not clear to use the blank since Event is not actually ...
split string in to 2 based on last occurrence of a separator
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Use rpartition(s). It does exactly that.
You can also use rsplit(s, 1).
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“Automatic” vs “Automatic (Delayed start)”
When installing Windows services there are two options for automatically starting a Windows service on Windows startup. One is Automatic , and the other is Automatic (Delayed start) . What is the difference between these two in detail?
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How do I know the current width of system scrollbar?
As you know, one can customize the width of the scrollbar width in Display Properties -> Appearance -> Advanced -> Item: ScrollBar. The default value is 17. However, I can't assume this is always the case, is it possible for me to retrieve this value?
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