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Is “else if” a single keyword?
...gle keyword if we go to the draft C++ standard section 2.12 Keywords table 4 lists both if and else separately and there is no else if keyword. We can find a more accessible list of C++ keywords by going to cppreferences section on keywords.
The grammar in section 6.4 also makes this clear:
selec...
iPhone UITextField - Change placeholder text color
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edited Jun 22 '14 at 15:36
answered Dec 4 '12 at 3:08
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Duplicating a MySQL table, indices, and data
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To copy with indexes and triggers do these 2 queries:
CREATE TABLE newtable LIKE oldtable;
IN...
Ruby on Rails: Delete multiple hash keys
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edited May 22 '14 at 14:51
Dominic Sayers
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What are the most common naming conventions in C?
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answered Nov 12 '09 at 14:22
axel_caxel_c
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How to read a large file line by line?
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14 Answers
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What is the copy-and-swap idiom?
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edited Jan 24 at 19:00
Tomeamis
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answered Jul 19 '10 ...
Curly braces in string in PHP
...yntax
echo "This works: {$arr['key']}";
// Works
echo "This works: {$arr[4][3]}";
// This is wrong for the same reason as $foo[bar] is wrong outside a string.
// In other words, it will still work, but only because PHP first looks for a
// constant named foo; an error of level E_NOTICE (undefine...
'and' (boolean) vs '&' (bitwise) - Why difference in behavior with lists vs numpy arrays?
...ave no truth value as this prevents vector-based logic confusion.
Example 4 is simply a vectorized bit and operation.
Bottom Line
If you are not dealing with arrays and are not performing math manipulations of integers, you probably want and.
If you have vectors of truth values that you wish to ...
jQuery Validate Plugin - Trigger validation of single field
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147
This method seems to do what you want:
$('#email-field-only').valid();
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