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Is it better practice to use String.format over string Concatenation in Java?
...ere is discussion about performance I figured I'd add in a comparison that included StringBuilder. It is in fact faster than the concat and, naturally the String.format option.
To make this a sort of apples to apples comparison I instantiate a new StringBuilder in the loop rather than outside (thi...
How to calculate time in hours between two dates in iOS
...sed iOS calendar to calculate. You can change the string and conditions to includes minutes with hours and days.
+(NSString*)remaningTime:(NSDate*)startDate endDate:(NSDate*)endDate {
NSDateComponents *components;
NSInteger days;
NSInteger hour;
NSInteger minutes;
NSString *dur...
How to load images dynamically (or lazily) when users scrolls them into view
...s is working fine on desktop browsers and iOS but doesn't work on android (including 3.x/4.x). Any idea why? is the scroll event not supported?
– lahsrah
Jan 6 '12 at 1:12
...
How to call a parent class function from derived class function?
...on from derived member function can be made.
Please refer the program.
#include<iostream>
using namespace std;
class Parent
{
protected:
virtual void fun(int i)
{
cout<<"Parent::fun functionality write here"<<endl;
}
void fun1(int i)
{
cout<...
How to dismiss a Twitter Bootstrap popover by clicking outside?
...dded a class to the button that triggers the popover (pop-btn) so it isn't included... if(!$(e.target).closest('.popover').length && !$(e.target).closest('.btn').hasClass('pop-btn'))
– mozgras
Jun 22 '13 at 0:26
...
What's the difference between lists enclosed by square brackets and parentheses in Python?
... ^^ instead of tuple(expected)
A comma must be included in a tuple even if it contains only a single value. e.g. (1,) instead of (1).
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The server committed a protocol violation. Section=ResponseStatusLine ERROR
...ontent of the HTTP specification which says:
The 204 response MUST NOT include a message-body, and thus is always
terminated by the first empty line after the header fields.
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Why dict.get(key) instead of dict[key]?
...ar all our queries, we can test on a fairly large list (Note that the test includes looking up all the valid keys only)
def getway(d):
for i in range(100):
s = d.get(i)
def lookup(d):
for i in range(100):
s = d[i]
Now timing these two functions using timeit
>>> ...
Convert a RGB Color Value to a Hexadecimal String
...olor and display the respective Hex color code.
This example does not include the proper constraints for the GridBagLayout. Though the code will work, the display will look strange.
public class HexColor
{
public static void main (String[] args)
{
JSlider sRed = new JSlider(0,255,1);...
MySQL - why not index every field?
...e it just looks like you are negating all answers which from the comments (including your deleted answer), that nobody agrees with your assessment.
– RichardTheKiwi
Mar 27 '11 at 2:40
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