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Swift double to string
Before I updated xCode 6, I had no problems casting a double to a string but now it gives me an error
14 Answers
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Cannot use object of type stdClass as array?
... you can do something like this:
$result = json_decode($json, true);
Or cast the object to an array:
$result = (array) json_decode($json);
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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...
Convert Float to Int in Swift
I want to convert a Float to an Int in Swift. Basic casting like this does not work because these types are not primitives, unlike float s and int s in Objective-C
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Check if character is number?
...);
}
The comment for this function reads:
// parseFloat NaNs numeric-cast false positives (null|true|false|"")
// ...but misinterprets leading-number strings, particularly hex literals ("0x...")
// subtraction forces infinities to NaN
I think we can trust that these chaps have spent quit...
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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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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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...
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...