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On duplicate key ignore? [duplicate]
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Would suggest NOT using INSERT IGNORE as it ignores ALL errors (ie its a sloppy global ignore).
Instead, since in your example tag is the unique key, use:
INSERT INTO table_tags (tag) VALUES ('tag_a'),('tab_b'),('tag_c') ON DUPLICATE KEY UPDATE tag=tag;
on duplicate key produce...
php Replacing multiple spaces with a single space [duplicate]
...e multiple spaces with a single space. When I use ereg_replace , I get an error about it being deprecated.
3 Answers
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get string value from UISegmentedControl
... wondering why is this call giving me extra argument 'at' in call error in swift 3 with Xcode 8.3
– Umair
Jun 6 '17 at 12:46
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Make a bucket public in Amazon S3 [closed]
...e rule of writeing Version? I am using current date 2017-11-16, it reports:Error: The policy must contain a valid version string
– Timothy.Li
Nov 16 '17 at 10:11
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How to move up a directory with Terminal in OS X
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Doesn't work for me - I get the error -bash: ../: is a directory. I find it works with cd ../ though.
– Bill Cheatham
Apr 16 '18 at 10:24
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Negative matching using grep (match lines that do not contain foo)
...e find command, e.g.
find /home/baumerf/public_html/ -mmin -60 -not -name error_log
If you want to include wildcards in the name, you'll have to escape them, e.g. to exclude files with suffix .log:
find /home/baumerf/public_html/ -mmin -60 -not -name \*.log
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jQuery, get html of a whole element [duplicate]
...lso like the defaulting to empty string instead of allowing null reference errors, nice and short and sweet and stable, thank you. This works great for me.
– OG Sean
Feb 20 '18 at 22:15
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What do column flags mean in MySQL Workbench?
.... Any attempt to add a duplicate will result in an unique data constraint error. The unique constraint as supports covering more than one column - this is called a composite.
– OMG Ponies
Sep 8 '10 at 1:38
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How to overwrite existing files in batch?
... use a trailing slash for the target path, otherwise it will give error if target folder doesnt exist
– Code Name Jack
Nov 26 '18 at 8:07
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In Ruby, how do I skip a loop in a .each loop, similar to 'continue' [duplicate]
...est def, and never a block; if there's no surrounding def, returning is an error.
Using return from within a block intentionally can be confusing. For instance:
def my_fun
[1, 2, 3].map do |e|
return "Hello." if e == 2
e
end
end
my_fun will result in "Hello.", not [1, "Hello.", 2], ...