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Does Javascript pass by reference? [duplicate]
...alue". Both pass a copy of the value whether that value is a number, bool, string, or reference.
– gman
Aug 13 '16 at 18:09
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show 13 more c...
How to declare string constants in JavaScript? [duplicate]
I want to declare string constants in JavaScript.
11 Answers
11
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Reading my own Jar's Manifest
...u load the manifest from there. For example,
Class clazz = MyClass.class;
String className = clazz.getSimpleName() + ".class";
String classPath = clazz.getResource(className).toString();
if (!classPath.startsWith("jar")) {
// Class not from JAR
return;
}
String manifestPath = classPath.substrin...
Evaluate empty or null JSTL c tags
How can I validate if a String is null or empty using the c tags of JSTL ?
8 Answers
...
How to copy text to clipboard/pasteboard with Swift
...
If all you want is plain text, you can just use the string property. It's both readable and writable:
// write to clipboard
UIPasteboard.general.string = "Hello world"
// read from clipboard
let content = UIPasteboard.general.string
(When reading from the clipboard, the UI...
How to test equality of Swift enums with associated values
...atable protocol to your enum.
enum SimpleToken: Equatable {
case Name(String)
case Number(Int)
}
let t1 = SimpleToken.Number(123)
let t2 = SimpleToken.Number(123)
Before Swift 4.1
As others have noted, Swift doesn't synthesize the necessary equality operators automatically. Let me propos...
Why escape_javascript before rendering a partial?
...ount is that whatever ruby generates must be contained inside a javascript string with double quotes - notice the double quotes around the <%= ... %>. This means that the generated javascript will look like this:
$("#reviews").append("...");
Now let's examine the ruby part inside the <%=...
Is there any haskell function to concatenate list with separator?
..."?"]
"is there such a function ?"
unlines works similarly, only that the strings are imploded using the newline character and that a newline character is also added to the end. (This makes it useful for serializing text files, which must per POSIX standard end with a trailing newline)
...
Class.forName() vs ClassLoader.loadClass() - which to use for dynamic loading? [duplicate]
...hey are quite different!
As stated in the documentation for Class.forName(String),
Returns the Class object associated with the class or interface with the given string name. Invoking this method is equivalent to: Class.forName(className, true, currentLoader)
(true here refers to do you want...
vs in Generics
...ut T> is covariant, you're allowed to do the following:
IEnumerable<string> strings = new List<string>();
IEnumerable<object> objects = strings;
The second line above would fail if this wasn't covariant, even though logically it should work, since string derives from object. ...