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Illegal mix of collations MySQL Error

...in this thread. My database default collation stubbornly refuses to change from 'ucs2_bin' so even tried changing all the tables and the connection collation to 'usc2_bin' but I still get the error "SQL Error (1267): Illegal mix of collations (utf8_general_ci,IMPLICIT) and (ucs2_bin,IMPLICIT) for op...
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Why does typeof NaN return 'number'?

...is not a peculiarity of javascript but common computer science principle. From http://en.wikipedia.org/wiki/NaN: There are three kinds of operation which return NaN: Operations with a NaN as at least one operand Indeterminate forms The divisions 0/0, ∞/∞, ∞/−∞, ...
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Make a URL-encoded POST request using `http.NewRequest(…)`

...wReader(s string) *Reader, it says "NewReader returns a new Reader reading from s. It is similar to bytes.NewBufferString but more efficient and read-only." – Liyang Chen Apr 12 '16 at 5:23 ...
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How to determine the first and last iteration in a foreach loop?

... I don't think you should issue reset($array) inside a foreach. From the official documentation (www.php.net/foreach): "As foreach relies on the internal array pointer changing it within the loop may lead to unexpected behavior." And reset does precisely that (www.php.net/reset): "Set t...
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How to add percent sign to NSString

...nt sign" for use with chinese or japanese characters, very much different from an ordinary percent character. – gnasher729 Apr 16 '14 at 17:19 add a comment ...
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How to execute an .SQL script file using c#

...ing the "GO" command in your script which is allowed when you run a script from SQL Management Studio or the osql command. msdn.microsoft.com/en-us/library/ms188037.aspx – Rn222 Nov 7 '11 at 19:04 ...
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How can I convert a long to int in Java?

...ld more information than an int, so it's not possible to perfectly convert from long to int, in the general case. If the long holds a number less than or equal to Integer.MAX_VALUE you can convert it by casting without losing any information. For example, the following sample code: System.out.printl...
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Insert line after first match using sed

...he first line matched. Especially handy if you're adding a line that comes from a variable where you'd otherwise have to escape everything first using ${var//} before, or another sed statement etc. This solution is a little less messy in scripts (that quoting and \n is not easy to read though), whe...
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How to Truncate a string in PHP to the word closest to a certain number of characters?

I have a code snippet written in PHP that pulls a block of text from a database and sends it out to a widget on a webpage. The original block of text can be a lengthy article or a short sentence or two; but for this widget I can't display more than, say, 200 characters. I could use substr() to cho...
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Do Java arrays have a maximum size?

...AY_SIZE be applied only when you are using an ArrayList? That is different from using an array like int[] array = new int[some_value_here]; isn't it? Why can a constant defined in ArrayList be applied to a normal array (defined with [])? Are they the same behind the scenes? – ...