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Negative list index? [duplicate]
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However, there is a caveat: the behavior is slightly different if you try slice notation. If you use -1 in that case, it returns one element from the last. >>> a = [1,2,3,4,5] >>> a[-1] 5 >>> a[:-1] [1, 2, 3, 4]
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Copy data into another table
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If both tables are truly the same schema:
INSERT INTO newTable
SELECT * FROM oldTable
Otherwise, you'll have to specify the column names (the column list for newTable is optional if you are specifying a value for all colum...
How can I list ALL grants a user received?
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If you want more than just direct table grants (e.g., grants via roles, system privileges such as select any table, etc.), here are some additional queries:
System privileges for a user:
SELECT PRIVILEGE
FROM sys.dba_sys_...
How to add a footer to a UITableView in Storyboard
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Note that you can only do this if you have more than 0 prototype cells specified. Otherwise, the dragged-in view always becomes the header. To fix this, change the number of prototype cells to 1, drag in the view underneath the one prototype cell, then c...
Matplotlib: draw grid lines behind other graph elements
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(I am currently installing matplotlib for the first time, so have no idea if that's correct - I just found it by googling "matplotlib z order grid" - "z order" is typically used to describe this kind of thing (z being the axis "out of the page"))
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How do I see the extensions loaded by PHP?
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You want to run:
php -m
on the command line,
or if you have access to the server configuration file open
/etc/php5/apache2/php.ini
and look at all the the extensions,
you can even enable or disable them by switching between On and Off like this
<Extension_name>...
Cannot set boolean values in LocalStorage?
...mentation of Storage can only store strings, but on 2009 September, W3C modified the draft to accept any data. The implementation (still) isn't caught up yet (see Edit below).
So in your case the boolean is converted to a string.
As for why "true" != true, as written in the description of Equal (=...
Cast a Double Variable to Decimal
...Note that a floating point number is not suited to keep an exact value, so if you first add numbers together and then convert to Decimal you may get rounding errors. You may want to convert the numbers to Decimal before adding them together, or make sure that the numbers aren't floating point number...
How to delete a remote tag?
...ush origin :tagname
Or, more expressively, use the --delete option (or -d if your git version is older than 1.8.0):
git push --delete origin tagname
Note that git has tag namespace and branch namespace so you may use the same name for a branch and for a tag. If you want to make sure that you canno...
WebException how to get whole response with a body?
...aying reader and @iwtu, but Fully comprehensive answers can make the real difference to the beginners reading this answer;)
– Jeroen
Nov 18 '16 at 12:18
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