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Why won't my PHP app send a 404 error?

... if (strstr($_SERVER['REQUEST_URI'],'index.php')){ header('HTTP/1.0 404 Not Found'); echo "<h1>404 Not Found</h1>"; echo "The page that you have requested could not be found."; exit(); } If you look at the la...
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Intro to GPU programming [closed]

...There are tons of cool materials to read. http://www.nvidia.com/object/cuda_home.html Hello world would be to do any kind of calculation using GPU. Hope that helps. share | improve this answer ...
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How can I mock dependencies for unit testing in RequireJS?

...sinon.spy(function(name, req, onLoad) { onLoad(i18n); }) }; _.each(stubs, function(value, key) { var stubName = 'stub' + key + cnt; map[key] = stubName; define(stubName, function() { return value; }); }); return require.config({ context: "context_" + c...
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Pandas aggregate count distinct

... How about either of: >>> df date duration user_id 0 2013-04-01 30 0001 1 2013-04-01 15 0001 2 2013-04-01 20 0002 3 2013-04-02 15 0002 4 2013-04-02 30 0002 >>> df.groupby("date").agg({"duration": np.sum, "use...
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How to implement an abstract class in ruby?

...clarative about which methods are abstract: module Abstract def abstract_methods(*args) args.each do |name| class_eval(<<-END, __FILE__, __LINE__) def #{name}(*args) raise NotImplementedError.new("You must implement #{name}.") end END # import...
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How to pip or easy_install tkinter on Windows

...nter these two commands: >>> import tkinter >>> tkinter._test() This should pop up a small window; the first line at the top of the window should say "This is Tcl/Tk version 8.5"; make sure it is not 8.4! 2) Uninstall 64-bit Python and install 32 bit Python. ...
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overlay two images in android to set an imageview

...g="utf-8"?> <RelativeLayout android:id="@+id/widget30" android:layout_width="fill_parent" android:layout_height="fill_parent" xmlns:android="http://schemas.android.com/apk/res/android" > <ImageView android:id="@+id/widget39" android:layout_width="219px" android:layout_height="225px" andr...
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Save ArrayList to SharedPreferences

... list to preference SharedPreferences prefs = getSharedPreferences(SHARED_PREFS_FILE, Context.MODE_PRIVATE); Editor editor = prefs.edit(); try { editor.putString(TASKS, ObjectSerializer.serialize(currentTasks)); } catch (IOException e) { e.printStackTrace(); } editor.commit(); } ...
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Does R have an assert statement as in python?

...ndition that will throw an error in your program. Here's an example: Less_Than_8 = function(x) return(x < 8) for (i in 1:10) { print(i) stopifnot(Less_Than_8(i)) } This will print the numbers 1 through 8, then print a message that says Error: Less_Than_8(i) is not TRUE It would be ni...
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How do I list loaded plugins in Vim?

... " where was an option set :scriptnames : list all plugins, _vimrcs loaded (super) :verbose set history? : reveals value of history and where set :function : list functions :func SearchCompl : List particular function ...