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INSERT IF NOT EXISTS ELSE UPDATE?
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It's valid if you know all the new value for all the fields. If the user update only, say, the Level, this approach cannot be followed.
– rds
Nov 14 '12 at 15:07
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ORDER BY the IN value list
... it has to be spread: in mySQL this can be done much simpler, but I don't know if it works in other SQL.
SELECT * FROM `comments`
WHERE `comments`.`id` IN ('12','5','3','17')
ORDER BY FIELD(`comments`.`id`,'12','5','3','17')
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How to ignore deprecation warnings in Python
...gs("ignore",category=DeprecationWarning)
import md5, sha
yourcode()
Now you still get all the other DeprecationWarnings, but not the ones caused by:
import md5, sha
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Emacs - Multiple columns one buffer
...n first window, 3. issue command :set scrollbind in each of the windows. Now the windows will scroll together as desired. (Note: scrollopt must contain 'ver' option.)
– Herbert Sitz
Sep 23 '11 at 18:35
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Library? Static? Dynamic? Or Framework? Project inside another project
...led first and its resulting .a file used as a dependency by the project).
Now that we're clear(er) on these terms, setting up a static library and supporting media bundle for iOS isn't too difficult, and there are many tutorials on how to do such. I personally would recommend this one:
https://git...
What does $$ mean in the shell?
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Thanks. The mktemp option -t is now deprecated (I think because of problems with the char -). Use mktemp ${tempfoo}.XXXXXX these days. I take the liberty to update your post.
– Sebastian
Jan 10 '14 at 11:44
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javascript function leading bang ! syntax
I've been seeing this syntax on a few libraries now and I'm wondering what the benefit is. (note i'm well aware of closures and what the code is doing, I'm only concerned about the syntactical differences)
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Getting an object from an NSSet
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You can also look up a known object by a potential duplicate by sending the set a member: message. If it returns nil, the set does not contain an object equal to the one you passed; if it returns an object pointer, then the pointer it returns is to ...
How to enable mod_rewrite for Apache 2.2
...:
a2enmod rewrite
and then:
service apache2 restart
mod_rewrite will now be enabled!
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CSS Display an Image Resized and Cropped
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As of now this is also supported by Edge (don't know since when though).
– Gerald Schneider
Jul 30 '18 at 13:02
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