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android image button
...w iv = (ImageView)findViewById(R.id.ImageView01);
iv.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
}
});
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impro...
Determine the number of lines within a text file
...usly belated edit: If you're using .NET 4.0 or later
The File class has a new ReadLines method which lazily enumerates lines rather than greedily reading them all into an array like ReadAllLines. So now you can have both efficiency and conciseness with:
var lineCount = File.ReadLines(@"C:\file.txt...
Can you make valid Makefiles without tab characters?
...than Tab as the prefix character. From the mailing list announcement:
New special variable: .RECIPEPREFIX allows you to reset the recipe
introduction character from the default (TAB) to something else. The
first character of this variable value is the new recipe introduction
character. ...
ruby 1.9: invalid byte sequence in UTF-8
...tents.encode!('UTF-8', 'UTF-8', :invalid => :replace)
else
ic = Iconv.new('UTF-8', 'UTF-8//IGNORE')
file_contents = ic.iconv(file_contents)
end
or if you have really troublesome input you can do a double conversion from UTF-8 to UTF-16 and back to UTF-8:
require 'iconv' unless String.metho...
Clearing NSUserDefaults
...leIdentifier is an autoreleased object since it doesn't begin with init or new, so you would over-release it.
– Christopher Rogers
Oct 17 '11 at 6:28
...
Algorithm to generate all possible permutations of a list?
...ying local variables. Unlike a function, where on each call it starts with new set of variables, a generator will resume the execution where it was left off. pythoncentral.io/python-generators-and-yield-keyword
– MSS
Mar 29 '17 at 17:47
...
What is monkey patching?
...s just something akin to using ‘eval’ function, where you could insert new code at runtime?
– wintermute
Feb 23 at 14:21
...
Getting multiple keys of specified value of a generic Dictionary?
...>
{
IDictionary<TFirst, IList<TSecond>> firstToSecond = new Dictionary<TFirst, IList<TSecond>>();
IDictionary<TSecond, IList<TFirst>> secondToFirst = new Dictionary<TSecond, IList<TFirst>>();
private static IList<TFirst> EmptyFirs...
Do Java arrays have a maximum size?
...lass Foo {
public static void main(String[] args) {
Object[] array = new Object[Integer.MAX_VALUE - 4];
}
}
You get:
Exception in thread "main" java.lang.OutOfMemoryError:
Requested array size exceeds VM limit
...
Save Javascript objects in sessionStorage
...I think that the webStorage is one of the most exciting improvement of the new web. But save only strings in the value key-map I think is a limitation. It seems like a cookies' sequel. I know that the Storage is a specification non only for Javascript language, but serialize objects could be an inte...