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On duplicate key ignore? [duplicate]

I'm trying to finish this query; my tag field is set to UNIQUE and I simply want the database to ignore any duplicate tag. ...
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php Replacing multiple spaces with a single space [duplicate]

... Use preg_replace() and instead of [ \t\n\r] use \s: $output = preg_replace('!\s+!', ' ', $input); From Regular Expression Basic Syntax Reference: \d, \w and \s Shorthand character classes matching digits, word characters (letters,...
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python ? (conditional/ternary) operator for assignments [duplicate]

C and many other languages have a conditional (aka ternary) operator. This allows you to make very terse choices between two values based on the truth of a condition, which makes expressions, including assignments, very concise. ...
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“Collection was mutated while being enumerated” on executeFetchRequest

I'm stuck on a problem for hours now and having read everything about this on stackoverflow (and apply every advices found), I'm now officially in need for help. ;o) ...
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Eclipse keyboard shortcut to indent source code to the left?

... In my copy, Shift + Tab does this, as long as I have a code selection, and am in a code window. share | improve this answer | follow | ...
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Locate Git installation folder on Mac OS X

...git version in /usr/bin. To ensure you can easily upgrade from the website and use the latest git version, edit either your profile information to place /usr/local/git/bin before /usr/bin in the $PATH or edit /etc/paths and insert /usr/local/git/bin as the first entry (see this answer). ...
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IntelliJ: How to auto-highlight variables like in Eclipse

... Using 2016.2 and this doesn't work at all. The setting was on by default, but it's not highlighting the variable my cursor is on (unless it is somehow the same colour as the non-highlight?) – Adam No...
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Get boolean from database using Android and SQLite

How can I obtain the value of a boolean field in an SQLite database on Android? 10 Answers ...
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Good beginners tutorial to socket.io? [closed]

I am very new to the world of webdevelopment and jumped into the bandwagon because I find the concept of HTML5 very interesting. I am fairly confident on working with canvas and would now like to move over to websockets part of it. I have come to understand socket.io is by far the framework to work ...
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Transition of background-color

...ar as I know, transitions currently work in Safari, Chrome, Firefox, Opera and Internet Explorer 10+. This should produce a fade effect for you in these browsers: a { background-color: #FF0; } a:hover { background-color: #AD310B; -webkit-transition: background-color 1000ms l...