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Remove duplicate rows in MySQL
...ke so:
ALTER IGNORE TABLE jobs
ADD UNIQUE INDEX idx_name (site_id, title, company);
This will drop all the duplicate rows. As an added benefit, future INSERTs that are duplicates will error out. As always, you may want to take a backup before running something like this...
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How to subtract 30 days from the current datetime in mysql?
...ime BETWEEN DATE_SUB(NOW(), INTERVAL 30 DAY) AND NOW();
http://dev.mysql.com/doc/refman/5.5/en/date-and-time-functions.html#function_date-add
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“for line in…” results in UnicodeDecodeError: 'utf-8' codec can't decode byte
...rb').read())['encoding']. Check out this answer for details: stackoverflow.com/a/3323810/615422
– VertigoRay
Mar 20 '19 at 13:34
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Should Jquery code go in header or footer?
... edited May 23 '17 at 12:02
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111 silver badge
answered Jan 20 '10 at 22:11
Chad LevyChad Levy
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Is there a C# type for representing an integer Range?
...eneric parameter.</typeparam>
public class Range<T> where T : IComparable<T>
{
/// <summary>Minimum value of the range.</summary>
public T Minimum { get; set; }
/// <summary>Maximum value of the range.</summary>
public T Maximum { get; set; ...
How To Check If A Key in **kwargs Exists?
... Thanks for the extra explanation! Always good for python newcomers to get some background info and further examples of what is possible and what isn't. In that spirit: I think, kwargs.get("errormessage", 17) might return its value or 17 if errormessage doesn't exist - but I'm not sure...
Check if instance is of a type
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With C# 7 you can combine is and as with pattern matching: if (x is TForm tf) {…
– Richard
Nov 24 '17 at 11:19
add a...
Center image in div horizontally [duplicate]
...sted here assumes that you know the dimensions of your img, which is not a common scenario. Also, planting the dimensions into the solution is painful.
Simply set:
/* for the img inside your div */
display: block;
margin-left: auto;
margin-right: auto;
or
/* for the img inside your div */
displ...
How are “mvn clean package” and “mvn clean install” different?
...ween mvn clean package and mvn clean install ? When I run both of these commands, they both seem to do the same thing.
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Clone only one branch [duplicate]
...anch, for example:
git clone -b mybranch --single-branch git://sub.domain.com/repo.git
Note: Also you can add another single branch or "undo" this action.
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