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Create a File object in memory from a string in Java
...e a new File (I don't have write access to filesystem) in order to pass my string data to the function. I should add that the String data don't exist in a file (so I cannot read my data from a file).
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Get Maven artifact version at runtime
...perties, falling back to getting it from the manifest
public synchronized String getVersion() {
String version = null;
// try to load from maven properties first
try {
Properties p = new Properties();
InputStream is = getClass().getResourceAsStream("/META-INF/maven/com....
Sharing a URL with a query string on Twitter
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You must to change & to %26 in query string from your url
Look at this: https://dev.twitter.com/discussions/8616
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Replace all non-alphanumeric characters in a string
I have a string with which i want to replace any character that isn't a standard character or number such as (a-z or 0-9) with an asterisk. For example, "h^&ell`.,|o w]{+orld" is replaced with "h*ell*o*w*orld". Note that multiple characters such as "^&" get replaced with one asterisk. How would I go...
Does java have a int.tryparse that doesn't throw an exception for bad data? [duplicate]
C# has Int.TryParse: Int32.TryParse Method (String, Int32%)
3 Answers
3
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How to get the last character of a string in a shell?
I have written the following lines to get the last character of a string:
8 Answers
8
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Create instance of generic type in Java?
...get();
}
}
You would construct this class like this:
SomeContainer<String> stringContainer = new SomeContainer<>(String::new);
The syntax String::new on that line is a constructor reference.
If your constructor takes arguments you can use a lambda expression instead:
SomeContain...
Ternary operator (?:) in Bash
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Note that the = operator tests for string equality, not numeric equality (i.e. [[ 05 = 5 ]] is false). If you want numeric comparison, use -eq instead.
– Gordon Davisson
Oct 17 '10 at 19:54
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lexers vs parsers
...language pieces they find.
Lexers attach meaning by classifying lexemes (strings of symbols from the input) as the particular tokens. E.g. All these lexemes: *, ==, <=, ^ will be classified as "operator" token by the C/C++ lexer.
Parsers attach meaning by classifying strings of tokens from the ...
Checking if a variable is an integer
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this wont work if the number comes in a string like "11111111"
– Ricbermo
Feb 11 '14 at 15:00
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