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How to find topmost view controller on iOS
I've run into a couple of cases now where it would be convenient to be able to find the "topmost" view controller (the one responsible for the current view), but haven't found a way to do it.
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Django templates: verbose version of a choice
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yes, I know. It's not as general (universal), though - unless you know a way to iterate in a template over all get_FOO_display methods of a model object :) I'm a bit too lazy for writing non-generic templates ;) Moreover, the docs ...
How to Resize a Bitmap in Android?
...roach. I find the image is much more clear with matrix approach. I do not know if it is common or just because I am using a simulator instead of a phone. Just a hint for someone who encouters the same trouble like me.
– Anson Yao
Nov 18 '14 at 4:47
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JavaScript variables declare outside or inside loop?
... does not have block scope like many other C-like languages.
That is also known as lexical scope.
If you declare something like
var foo = function(){
for(var i = 0; i < 10; i++){
}
};
This gets hoisted to:
var foo = function(){
var i;
for(i = 0; i < 10; i++){
}
}
So ...
How to uninstall Jenkins?
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Since it looks like the Uninstall.command script is there now, it'd be good to update the first part of the answer with that (though having the info for folks with older installations is still very handy).
– Alex Dixon
Jan 21 '13 at 16:25
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Dealing with “java.lang.OutOfMemoryError: PermGen space” error
...classical example is Java.lang.OutOfMemoryError:PermGen Space in Tomcat.
Now there are two ways to solve this:
1. Find the cause of Memory Leak or if there is any memory leak.
2. Increase size of PermGen Space by using JVM param -XX:MaxPermSize and -XX:PermSize.
You can also check 2 Solution of J...
Open Facebook page from Android app?
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Thanks for this, helped me out greatly! Now if only there was a way to do it for twitter
– Evan R.
Jul 26 '12 at 4:08
3
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Pros and cons of Java rules engines [closed]
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We are evaluating rules now for use with our application server. We have come across OpenRules, which is easy to integrate with Java and, as far as our testing has shown, fast enough. The main advantage of OpenRules above the others is the way the r...
For each row in an R dataframe
...I'm not sure how to write a vectorized getWellID. What I need to do right now is to dig into an existing list of lists to look it up or pull it out of a database.
– Carl Coryell-Martin
Nov 9 '09 at 23:45
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What is the difference between MVC and MVVM? [closed]
...s from.
ViewModels hold a certain shape of data and commands, they do not know where the data, or code, comes from or how it is displayed.
Models hold the actual data (various context, store or other methods)
Controllers listen for, and publish, events. Controllers provide the logic that controls wh...