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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...
Understanding the Event Loop
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1: If we are talking about a single-threaded application, then what processes setTimeouts while JS engine accepts more requests and executes them? Isn't that single thread will continue working on other requests? Then who is ...
Why are properties without a setter not serialized
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answered Nov 15 '12 at 15:53
JamesJames
72.6k1717 gold badges151151 silver badges216216 bronze badges
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How can I efficiently download a large file using Go?
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217
I'll assume you mean download via http (error checks omitted for brevity):
import ("net/http";...
Xcode variables
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148
The best source is probably Apple's official documentation. The specific variable you are look...
Get an OutputStream into a String
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614
I would use a ByteArrayOutputStream. And on finish you can call:
new String( baos.toByteArray(...
What predefined macro can I use to detect clang?
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121
To get a list of all the predefined macros that the compiler uses, use this:
clang -dM -E -x ...
How to find a min/max with Ruby
I want to use min(5,10) , or Math.max(4,7) . Are there functions to this effect in Ruby?
6 Answers
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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...
How do I move a table into a schema in T-SQL
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edited May 23 '17 at 12:02
Community♦
111 silver badge
answered Jul 19 '09 at 3:24
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