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PHP Replace last occurrence of a String in a String?
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You could do this:
$str = 'Hello world';
$str = rtrim($str, 'world') . 'John';
Result is 'Hello John';
Regards
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JavaScript: Passing parameters to a callback function
...k) {
callback (arguments[1], arguments[2]);
}
callbackTester (tryMe, "hello", "goodbye");
But otherwise, your example works fine (arguments[0] can be used in place of callback in the tester)
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How to convert list to string [duplicate]
...the list to string can you this method: list1 = [1, 2, 3] str1 = ''.join('hello world' + str(e) + 'hello world' for e in list1) Output =========== hello world 1 hello world hello world 2 hello world hello world 3 hello world
– Pankaj Pande
May 16 '19 at 5:19
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Checking whether a string starts with XXXX
I would like to know how to check whether a string starts with "hello" in Python.
4 Answers
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How do I pass a method as a parameter in Python
... the method's (or function's) regular name:
def method1(self):
return 'hello world'
def method2(self, methodToRun):
result = methodToRun()
return result
obj.method2(obj.method1)
Note: I believe a __call__() method does exist, i.e. you could technically do methodToRun.__call__(), but y...
What is Ruby equivalent of Python's `s= “hello, %s. Where is %s?” % (“John”,“Mary”)`
...s of Ruby code directly into your strings.
name1 = "John"
name2 = "Mary"
"hello, #{name1}. Where is #{name2}?"
You can also do format strings in Ruby.
"hello, %s. Where is %s?" % ["John", "Mary"]
Remember to use square brackets there. Ruby doesn't have tuples, just arrays, and those use squ...
How to assert output with nosetest/unittest in python?
...the `with` block
output = out.getvalue().strip()
self.assertEqual(output, 'hello world!')
Furthermore, since the original output state is restored upon exiting the with block, we can set up a second capture block in the same function as the first one, which isn't possible using setup and teardown ...
NSInvocation for Dummies?
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Here's a simple example of NSInvocation in action:
- (void)hello:(NSString *)hello world:(NSString *)world
{
NSLog(@"%@ %@!", hello, world);
NSMethodSignature *signature = [self methodSignatureForSelector:_cmd];
NSInvocation *invocation = [NSInvocation invocationWi...
Convert camelCaseText to Sentence Case Text
How can I convert a string either like 'helloThere' or 'HelloThere' to 'Hello There' in JavaScript?
20 Answers
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Why is the shovel operator (
...to b. Here we also mutate a when we may not want to.
2.3.1 :001 > a = "hello"
=> "hello"
2.3.1 :002 > b = a
=> "hello"
2.3.1 :003 > b << " world"
=> "hello world"
2.3.1 :004 > a
=> "hello world"
Because += makes a new copy, it also leaves any variables that are p...