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How to remove duplicate white spaces in string using Java?
...tive same type white spaces with one white space of its type. That is:
Hello!\n\n\nMy World
will be
Hello!\nMy World
Notice there are still leading and trailing white spaces. So my complete solution is:
str = str.trim().replaceAll("(\\s)+", "$1"));
Here, trim() replaces all leadin...
What is stack unwinding?
...k = new char[1024]; // might be lost => memory leak
std::string s( "hello world" ); // will be properly destructed
if ( x ) throw std::runtime_error( "boom" );
delete [] pleak; // will only get here if x == 0. if x!=0, throw exception
}
int main()
{
try
{
func( 10 )...
Ruby capitalize every word first letter
...
"hello world".titleize which should output "Hello World".
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How to get the return value from a thread in python?
...k to the main thread:
import concurrent.futures
def foo(bar):
print('hello {}'.format(bar))
return 'foo'
with concurrent.futures.ThreadPoolExecutor() as executor:
future = executor.submit(foo, 'world!')
return_value = future.result()
print(return_value)
...
Delegates: Predicate vs. Action vs. Func
... as well.
myForm.BeginInvoke((MethodInvoker)delegate
{
MessageBox.Show("Hello, world...");
});
I'd also be aware of ThreadStart and ParameterizedThreadStart; again most people will substitute an Action these days.
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How to convert a char array to a string?
...
@kingsmasher1: Strictly speaking, strings in the form "hello world" are arrays. If you use sizeof("hello world") it will give you the size of the array (which is 12), rather than the size of a pointer (likely 4 or 8).
– dreamlax
Jan 22 '12 a...
Loop through an array in JavaScript
...ou have several options:
1. Sequential for loop:
var myStringArray = ["Hello","World"];
var arrayLength = myStringArray.length;
for (var i = 0; i < arrayLength; i++) {
console.log(myStringArray[i]);
//Do something
}
Pros
Works on every environment
You can use break and continue...
How to interpolate variables in strings in JavaScript, without concatenation?
...pe, that was not possible in javascript. You would have to resort to:
var hello = "foo";
var my_string = "I pity the " + hello;
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Different font size of strings in the same TextView
...
Use a Spannable String
String s= "Hello Everyone";
SpannableString ss1= new SpannableString(s);
ss1.setSpan(new RelativeSizeSpan(2f), 0,5, 0); // set size
ss1.setSpan(new ForegroundColorSpan(Color.RED), 0, 5, 0);// set color
TextView tv= (TextView) findV...
How do I get my Python program to sleep for 50 milliseconds?
...do it by using Timer() function.
Code:
from threading import Timer
def hello():
print("Hello")
t = Timer(0.05, hello)
t.start() # After 0.05 seconds, "Hello" will be printed
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