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How to convert String object to Boolean Object?
...it has a performance cost.
I suggest to use it only when you would have to cast yourself, not when the cast is avoidable.
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Python - Get path of root project structure
...directory as well ? Should that be correct ? I've just started with python and not sure on the best practices. Thanks.
– akskap
Aug 30 '16 at 8:20
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How to iterate over a JSONObject?
...t; will give a warning. I'd replace it with the generic <?> and do a cast on the call to next(). Also, I'd use getString("id") instead of get("id") to save doing a cast.
– RTF
Apr 14 '16 at 10:38
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Why use symbols as hash keys in Ruby?
... basically "immutable strings" .. that means that they can not be changed, and it implies that the same symbol when referenced many times throughout your source code, is always stored as the same entity, e.g. has the same object id.
Strings on the other hand are mutable, they can be changed anytim...
Reading a file line by line in Go
...('\n') isn't fully equivalent to ReadLine because ReadString is unable to handle the case when the last line of a file does not end with the newline character.
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Check if Key Exists in NameValueCollection
...but it could be current culture or invariant culture
|| @this.Keys.Cast<string>().Contains(key, StringComparer.OrdinalIgnoreCase);
}
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Should I use #define, enum or const?
...Assuming you have ruled out bitset, I vote for the enum.
I don't buy that casting the enums is a serious disadvantage - OK so it's a bit noisy, and assigning an out-of-range value to an enum is undefined behaviour so it's theoretically possible to shoot yourself in the foot on some unusual C++ impl...
What kind of virtual machine is BEAM (the Erlang VM)?
From what I understand a virtual machine falls into two categories either "system virtual machine" or a "process virtual machine". It's kind of fuzzy to me where BEAM lies. Is there another kind of virtual machine I am not aware of?
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PHP expresses two different strings to be the same [duplicate]
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"608E-4234" is the float number format, so they will cast into number when they compares.
608E-4234 and 272E-3063 will both be float(0) because they are too small.
For == in php,
If you compare a number with a string or the comparison involves
numerical strings, then e...
How do I upgrade PHP in Mac OS X?
... it will probably give you a newer version of PHP. I'm running OS X 10.6.2 and it has PHP 5.3.0.
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