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Ruby Metaprogramming: dynamic instance variable names
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168
The method you are looking for is instance_variable_set. So:
hash.each { |name, value| instan...
Using PUT method in HTML form
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132
XHTML 1.x forms only support GET and POST. GET and POST are the only allowed values for
the "m...
What is the difference between svg's x and dx attribute?
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answered Oct 1 '13 at 22:52
Scott CameronScott Cameron
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PHP_SELF vs PATH_INFO vs SCRIPT_NAME vs REQUEST_URI
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edited Nov 11 '08 at 5:20
answered Nov 11 '08 at 5:14
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What are good uses for Python3's “Function Annotations”
Function Annotations: PEP-3107
12 Answers
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Rails 4: before_filter vs. before_action
..._filters syntax are deprecated in Rails 5.0 and will be removed in Rails 5.1
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How can I pad an int with leading zeros when using cout
I want cout to output an int with leading zeros, so the value 1 would be printed as 001 and the value 25 printed as 025 . How can I do this?
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Android. WebView and loadData
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answered Feb 16 '12 at 13:22
patrykpatryk
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Creating PHP class instance with a string
...ther cool stuff you can do in php are:
Variable variables:
$personCount = 123;
$varname = 'personCount';
echo $$varname; // echo's 123
And variable functions & methods.
$func = 'my_function';
$func('param1'); // calls my_function('param1');
$method = 'doStuff';
$object = new MyClass();
$obj...
Error type 3 Error: Activity class {} does not exist
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81 Answers
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