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Advantages of Binary Search Trees over Hash Tables
...ry than they need to.
For instance, if a hash function has a range R(h) = 0...100, then you need to allocate an array of 100 (pointers-to) elements, even if you are just hashing 20 elements. If you were to use a binary search tree to store the same information, you would only allocate as much space...
Test if element is present using Selenium WebDriver?
... this
Boolean isPresent = driver.findElements(By.yourLocator).size() > 0
This will return true if at least one element is found and false if it does not exist.
The official documentation recommends this method:
findElement should not be used to look for non-present elements, use findEleme...
What is event bubbling and capturing?
...
+50
Event bubbling and capturing are two ways of event propagation in the HTML DOM API, when an event occurs in an element inside another ...
Using multiple arguments for string formatting in Python (e.g., '%s … %s')
...uple.
However from Python 2.6 onwards you can use format instead of %:
'{0} in {1}'.format(unicode(self.author,'utf-8'), unicode(self.publication,'utf-8'))
Usage of % for formatting strings is no longer encouraged.
This method of string formatting is the new standard in Python 3.0, and shou...
How do I make jQuery wait for an Ajax call to finish before it returns?
...type: 'GET',
async: false,
cache: false,
timeout: 30000,
fail: function(){
return true;
},
done: function(msg){
if (parseFloat(msg)){
return false;
} else {
return true;
}...
How does C compute sin() and other math functions?
...
220
In GNU libm, the implementation of sin is system-dependent. Therefore you can find the implement...
Finding JavaScript memory leaks with Chrome
...
206
+500
A good ...
About catching ANY exception
... int(s.strip())
except IOError as (errno, strerror):
print "I/O error({0}): {1}".format(errno, strerror)
except ValueError:
print "Could not convert data to an integer."
except:
print "Unexpected error:", sys.exc_info()[0]
raise
...
Conveniently map between enum and int / String
... can get.
– sleske
Feb 17 '11 at 14:05
+1. My only note is that I'd use Number instead of Byte, because my backing val...