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Remove all but numbers from NSString
... == NO) {
NSString *buffer;
if ([scanner scanCharactersFromSet:numbers intoString:&buffer]) {
[strippedString appendString:buffer];
} else {
[scanner setScanLocation:([scanner scanLocation] + 1)];
}
}
NSLog(@"%@", strippedString); // "123123123"
EDIT: I've updated the code be...
How to write to file in Ruby?
...ou the ins and outs of ::new and ::open but its parent, the IO class, gets into the depth of #read and #write.
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“var” or no “var” in JavaScript's “for-in” loop?
... to write a for-in loop in JavaScript? The browser doesn't issue a complaint about either of the two approaches I show here. First, there is this approach where the iteration variable x is explicitly declared:
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How to implement an android:background that doesn't stretch?
...adjust button sizes
Button b = (Button) findViewById(R.id.somebutton);
int someDimension = 50; //50pixels
b.setWidth(someDimension);
b.setHeight(someDimension);
}
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Call Activity method from adapter
...d to use this same adapter for more than one activity then :
Create an Interface
public interface IMethodCaller {
void yourDesiredMethod();
}
Implement this interface in activities you require to have this method calling functionality.
Then in Adapter getView(), call like:
Button btn =...
Reading a plain text file in Java
...
@Palec this is interesting, but can you quote from the docs where it says that Files.lines(...).forEach(...) is executed in parallel? I thought this was only the case when you explicitly make the stream parallel using Files.lines(...).paral...
How do I get the currently displayed fragment?
... Doesn't findFragmentById iterate through all the fragments internally? :)
– Andrew Senner
May 24 '15 at 19:25
47
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Library? Static? Dynamic? Or Framework? Project inside another project
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Mach-O file format(Mach Object - .o)
In iOS world every source file is converted into object files - ABI[About] Mach-O file[About] which will be packaged into a final executable bundle(e.g. application, framework...), file (e.g. library...) and it's behavior is determined by Mach-O type[About]
P...
How to make a SIMPLE C++ Makefile
... spaces can look the same (and indeed there are editors that will silently convert tabs to spaces or vice versa), which results in a Make file that looks right and still doesn't work. This was identified as a bug early on, but (the story goes) it was not fixed, because there were already 10 users.
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FirstOrDefault: Default value other than null
...
var result = query.FirstOr(otherDefaultValue);
although as Mr. Steak points out this could be done just as well by .DefaultIfEmpty(...).First().
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