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Is there any difference between “!=” and “” in Oracle Sql?

... first-class type in SQL (which is different from PL/SQL). I. e. you can't SELECT 1 = 1 FROM dual like in some other systems. So booleans have their own set of operators valid only in logical contexts (WHERE or HAVING or similar clauses). NOT is the only boolean negation operator in Oracle's SQL (AF...
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Expand a random range from 1–5 to 1–7

...t a non-zero. That's what this code is doing: the i and j indexes randomly select a location on the dart board, and if we don't get a good result, we keep throwing darts. Like Adam said, this can run forever in the worst case, but statistically the worst case never happens. :) ...
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Is there a command to undo git init?

...strator--hit the windows key, type 'cmd', right click 'command prompt' and select 'run as administrator) and try the same commands. rd is an alternative form of the rmdir command. http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/rmdir.mspx?mfr=true ...
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How do I set a Windows scheduled task to run in the background? [closed]

... As noted by Mattias Nordqvist in the comments below, you can also select the radio button option "Run whether user is logged on or not". When saving the task, you will be prompted once for the user password. bambams noted that this wouldn't grant System permissions to the process, and also ...
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How to printf uint64_t? Fails with: “spurious trailing ‘%’ in format”

... I wonder if there are progress towards a locale independent and/or locale selectable version of std::to_string(). The cppreference page still link only to std::to_chars(), which is not really what people need. I wonder if fmt and/or c++20 deal with it or not yet. – ceztko ...
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Real escape string and PDO [duplicate]

...ing. So if people are building out queries that already have quotes like "SELECT * FROM users WHERE username = '".$conn->quote($username)."'";, the queries will inevitably fail. – user1669496 Jun 11 '14 at 18:05 ...
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Is there a hosted version of Twitter Bootstrap? [closed]

...ript, CSS, and Image files. Additionally hosts the Font Awesome CSS and a selection of Bootswatch themes. Maintained by @jdorfman and @mervinej. CDNJS.com Hosts the JavaScript, CSS and Image files. Check the GitHub repo for more specifics. Also hosts a ton of other JS libraries, including ple...
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Changing an element's ID with jQuery

... <script> $(document).ready(function () { $('select').attr("id", "newId"); //direct descendant of a }); </script> This could do for all purpose. Just add before your body closing tag and don't for get to add Jquery.min.js ...
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How to destroy a DOM element with jQuery?

... sure if it's just me, but using .remove() doesn't seem to work if you are selecting by an id. Ex: $("#my-element").remove(); I had to use the element's class instead, or nothing happened. Ex: $(".my-element").remove(); sh...
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How to integrate nodeJS + Socket.IO and PHP?

... and making the code more inline with the use of node. Now, PHP can simply select the information from the database. – blackmambo Nov 5 '13 at 4:13 ...