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What's the difference between `=` and `
... if (x[1]=-2) is conveniently prohibited to prevent this kind of error. Specifically, the operator = is only allowed at the top level.
– Aaron left Stack Overflow
Mar 14 '11 at 13:56
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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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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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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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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], ...
Razor If/Else conditional operator syntax [duplicate]
...ns without using @()' was wondering why @if (condition) { was giving me an error
– Tom
Jun 3 '11 at 13:32
@Andrew Nurs...
What does preceding a string literal with “r” mean? [duplicate]
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the backslash `\` cannot be the last charter or else an error SyntaxError: EOL while scanning string literal occurs. For Python3 it is print (r"Test\new")
– Arthur
May 23 '17 at 3:07
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