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String.replaceAll without RegEx
I'd like to replace all instances of a substring in a string but String.replaceAll() only accepts a pattern. The string that I have came from a previous match. Is it possible to add escapes to the pattern that I have or is there a version of replaceAll() in another class which accepts a literal ...
How to check if a map contains a key in Go?
... the value of "foo" from the map or a "zero value" (in this case the empty string) and ok will receive a bool that will be set to true if "foo" was actually present in the map
evaluates ok, which will be true if "foo" was in the map
If "foo" is indeed present in the map, the body of the if stateme...
PHP convert XML to JSON
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Json & Array from XML in 3 lines:
$xml = simplexml_load_string($xml_string);
$json = json_encode($xml);
$array = json_decode($json,TRUE);
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How to bundle a native library and a JNI library inside a JAR?
...m.load(File) to load the library instead of the typical System.loadLibrary(String) which searches the java.library.path system property. This method makes installation much simpler as the user does not have to install the JNI library on his system, at the expense, however, that all platforms might n...
Generate JSON string from NSDictionary in iOS
I have a dictionary I need to generate a JSON string by using dictionary . Is it possible to convert it? Can you guys please help on this?
...
How do I check if a number is a palindrome?
...lved it in Haskell I did exactly what you suggest, convert the number to a String. It's then trivial to check that the string is a pallindrome. If it performs well enough, then why bother making it more complex? Being a pallindrome is a lexical property rather than a mathematical one.
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How to find NSDocumentDirectory in Swift?
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This answer failed in Xcode 6.0. The cast must be to NSString rather than String.
– Daniel T.
Oct 19 '14 at 16:15
1
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How to test if a string is basically an integer in quotes using Ruby
...regular expressions. Here is the function with @janm's suggestions.
class String
def is_i?
!!(self =~ /\A[-+]?[0-9]+\z/)
end
end
An edited version according to comment from @wich:
class String
def is_i?
/\A[-+]?\d+\z/ === self
end
end
In case you only need to chec...
String comparison in Python: is vs. == [duplicate]
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For all built-in Python objects (like
strings, lists, dicts, functions,
etc.), if x is y, then x==y is also
True.
Not always. NaN is a counterexample. But usually, identity (is) implies equality (==). The converse is not true: Two distinct objects can ha...
Implementation difference between Aggregation and Composition in Java
... professors = null;
}
}
public class Professor {
private String name;
private List<Department> attachedDepartments;
public void destroy(){
}
public void fire(Department d){
attachedDepartments.remove(d);
}
}
Something around this.
EDIT: a...