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Will using 'var' affect performance?
...ate 8 Years Later
I need to update this as my understanding has changed. I now believe it may be possible for var to affect performance in the situation where a method returns an interface, but you would have used an exact type. For example, if you have this method:
IList<int> Foo()
{
retu...
Programmatically generate video or animated GIF in Python?
... it has problems with PIL/Pillow and is not actively maintained (I should know, because I am the author).
Instead, please use imageio, which was developed to solve this problem and more, and is intended to stay.
Quick and dirty solution:
import imageio
images = []
for filename in filenames:
i...
What is the purpose of double curly braces in React's JSX syntax?
...ing in Boulder? Lets grab coffee or lunch sometime... it would be good to know someone with the inside scoop on React since we're just starting a big project with it.
– B Robster
Mar 26 '14 at 23:52
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Importing from a relative path in Python
...imports, where you can avoid doing anything hacky. With this method, you know you are getting a relative import rather than an absolute import. The '..' means, go to the directory above me:
from ..Common import Common
As a caveat, this will only work if you run your python as a module, from out...
How to create an array containing 1…N
...for creating a JavaScript array containing 1 through to N where N is only known at runtime.
61 Answers
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Using ChildActionOnly in MVC
... ViewBag.Message = "This is from Index()";
var model = DateTime.Now;
return View(model);
}
[ChildActionOnly]
public PartialViewResult MyDateTime()
{
ViewBag.Message = "This is from MyDateTime()";
var model = DateTime.Now;
return PartialVie...
How to update a menu item shown in the ActionBar?
...
Option #1: Try invalidateOptionsMenu(). I don't know if this will force an immediate redraw of the action bar or not.
Option #2: See if getActionView() returns anything for the affected MenuItem. It is possible that showAsAction simply automatically creates action views fo...
Javascript heredoc
...
I know but I hope to find heredoc hack :)
– VeroLom
Dec 7 '10 at 12:21
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How to set IntelliJ IDEA Project SDK
...f the window.
5) select JDK (I have to use keyboard to select it do not know why).
select the home directory for your jdk installation.
should be good to go.
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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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