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Measure and Benchmark Time for Ruby Methods
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You could use the Time object. (Time Docs)
For example,
start = Time.now
# code to time
finish = Time.now
diff = finish - start
diff would be in seconds, as a floating point number.
EDIT: end is reserved.
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round() for float in C++
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This is the right answer now!.
– Roddy
Sep 3 at 10:18
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How to print a percentage value in python?
...>>> 1 / 3
0.3333333333333333
# The above 33% example would could now be written without the explicit
# float conversion:
>>> print "{0:.0f}%".format(1/3 * 100)
33%
# Or even shorter using the format mini language:
>>> print "{:.0%}".format(1/3)
33%
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Concat scripts in order with Gulp
...asing that part because I wasn't sure exactly why I needed it, makes sense now.
– Michael Joseph Aubry
Feb 22 '14 at 22:14
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Proxies with Python 'Requests' module
...', proxies=urllib.request.getproxies())
It works really well and urllib knows about getting Mac OS X and Windows settings as well.
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Attach parameter to button.addTarget action in Swift
...lf,action:#selector(buttonClicked),
forControlEvents:.TouchUpInside)
Now do logic based on tag property
@objc func buttonClicked(sender:UIButton)
{
if(sender.tag == 5){
var abc = "argOne" //Do something for tag 5
}
print("hello")
}
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Using an image caption in Markdown Jekyll
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Jekyll now includes a site.url variable.
– Roy Tinker
Nov 14 '14 at 0:22
20
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In STL maps, is it better to use map::insert than []?
...over readability but speed.
Here is a sample code through which I came to know about the point i mentioned.
class Sample
{
static int _noOfObjects;
int _objectNo;
public:
Sample() :
_objectNo( _noOfObjects++ )
{
std::cout<<"Inside default constructor of object...
is_null($x) vs $x === null in PHP [duplicate]
PHP has two (that I know of, and three if you count isset() ) methods to determine if a value is null: is_null() and === null . I have heard, but not confirmed, that === null is faster, but in a code review someone strongly suggested that I use is_null() instead as it is specifically design...
UIBarButtonItem with custom image and no border
...BarButtonItem = [[UIBarButtonItem alloc] initWithCustomView:customView];
Now, just add the custom UIBarButton to the leftBarButtonItem:
self.navigationItem.leftBarButtonItem = customBarButtonItem;
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