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Convert NSArray to NSString in Objective-C
..., @"test", @"string"]
if you need to split on a set of several different characters, use NSString’s componentsSeparatedByCharactersInSet:
NSString *yourString = @"Foo-bar/iOS-Blog";
NSArray *yourWords = [myString componentsSeparatedByCharactersInSet:
[NSCharacterSet characterS...
Recommended method for escaping HTML in Java
Is there a recommended way to escape < , > , " and & characters when outputting HTML in plain Java code? (Other than manually doing the following, that is).
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How to add line breaks to an HTML textarea?
...ce("\r\n", "\\r\\n")
on the server side, because with just single escape chars javascript was not parsing.
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Convert Json Array to normal Java list
...op is missing the closing parenthesis... tried editing but it's not enough characters to pass approval. oh well! just an FYI.
– Matt K
Sep 21 '11 at 17:09
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How can I strip first X characters from string using sed?
...ave a variable containing the text pid: 1234 and I want to strip first X characters from the line, so only 1234 stays. I have more variables I need to "clean", so I need to cut away X first characters and ${string:5} doesn't work for some reason in my system.
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Check if a path represents a file or a folder
...irectory names in Android? As it comes out, folder names can contain '.' chars, so how does system understand whether there's a file or a folder?
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How to check if an int is a null
... 0
long 0L
float 0.0f
double 0.0d
char '\u0000'
boolean false
Objects have null as default value.
String (or any object)--->null
1.) I need to check if the object is not null; Is the following expression correct;
if (person == n...
Indexes of all occurrences of character in a string
...System.out.println(index);
}
[Note: if guess can be longer than a single character, then it is possible, by analyzing the guess string, to loop through word faster than the above loops do. The benchmark for such an approach is the Boyer-Moore algorithm. However, the conditions that would favor usi...
Java 8 List into Map
...a better option if this is what you want anyhow.
– Richard Nichols
Oct 29 '14 at 4:41
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Why I cannot cout a string?
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Use c_str() to convert the std::string to const char *.
cout << "String is : " << text.c_str() << endl ;
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