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Capture screenshot of active window?
I am making a screen capturing application and everything is going fine. All I need to do is capture the active window and take a screenshot of this active window. Does anyone know how I can do this?
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Get an object properties list in Objective-C
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@boliva's answer is good, but needs a little extra to handle primitives, like int, long, float, double, etc.
I built off of his to add this functionality.
// PropertyUtil.h
#import
@interface PropertyUtil : NSObject
+ (NSDictionary *)classPropsFor:(Class)klass;
@end
// Pr...
How to extract base URL from a string in JavaScript?
I'm trying to find a relatively easy and reliable method to extract the base URL from a string variable using JavaScript (or jQuery).
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knitr Markdown highlighting in Emacs?
...y Emacs-ESS has no highlighting for Rmd documents or even simple markdown (and by the way your linked article doesn't claim so). As for the former you need polymode and for the latter markdown.el. Besides, if all you want is to just switch the ESS engine from Sweave to knitr (without highlighting!)...
CALayer with transparent hole in it
I have a simple view (left side of the picture) and i need to create some kind of overlay (right side of the picture) to this view. This overlay should have some opacity, so the view bellow it is still partly visible.
Most importantly this overlay should have a circular hole in the middle of it so i...
What is Node.js' Connect, Express and “middleware”?
...ddleware. That's why Connect describes itself as a "middleware framework," and is often analogized to Ruby's Rack.
Express does to Connect what Connect does to the http module: It offers a createServer method that extends Connect's Server prototype. So all of the functionality of Connect is there, p...
How can you automatically remove trailing whitespace in vim
...Trailing white space is a battle at work. I loathe it, others don't understand why. We use as much vi as vim (I use vim; they don't because they'd have to install it). I have a program I call stb to Strip Trailing Blanks and I use that as a filter; works in vi too. This is better.
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How to sort a Ruby Hash by number value?
... results, since it would not sort by string value... You should reverse a1 and a2 in your example
Best way in any case (as per Mladen) is:
metrics = {"sitea.com" => 745, "siteb.com" => 9, "sitec.com" => 10 }
metrics.sort_by {|_key, value| value}
# ==> [["siteb.com", 9], ["sitec.com",...
CSS3 box-sizing: margin-box; Why not?
...is highly browser-dependant. Probably around 2020 the ie15 will support it and you will be allowed to use that in your work, too :-(
– peterh - Reinstate Monica
Nov 25 '13 at 10:32
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Why use finally in C#?
...d regardless of whether or not there is an exception. This comes in very handy when it comes to certain housekeeping functions you need to always run like closing connections.
Now, I'm guessing your question is why you should do this:
try
{
doSomething();
}
catch
{
catchSomething();
}
f...