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How can I create an error 404 in PHP?

... Try this: <?php header("HTTP/1.0 404 Not Found"); ?> share | improve this answer | follow | ...
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What is the reason for having '//' in Python? [duplicate]

...e to deal with it as well. Its common to see (0.0+variable1)/variable2 or 1.0*variable1/variable2 – Chris Oct 28 '15 at 13:42 add a comment  |  ...
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Where can I download english dictionary database in a text format? [closed]

...purpose dictionary you can look up most words in. – Lèse majesté Dec 28 '12 at 2:50 2 The Objec...
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position: fixed doesn't work on iPad and iPhone

...viewport" content="width=device-width, height=device-height, initial-scale=1.0, user-scalable=0, minimum-scale=1.0, maximum-scale=1.0"> Also if you're planning on having the same page work on android pre 4.0, you need to set the top position also, or a small margin will be added for some reason...
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Add shadow to custom shape on Android

... After Lots of search finally I got this <?xml version="1.0" encoding="utf-8"?> <layer-list xmlns:android="http://schemas.android.com/apk/res/android"> <!-- Bottom 2dp Shadow --> <item> <shape android:shape="rectangle"> <solid android:c...
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Python and pip, list all versions of a package that's available?

....2.2 Django 1.2.1 Django 1.2 Django 1.1.4 Django 1.1.3 Django 1.1.2 Django 1.0.4 yolk3k is a fork of the original yolk which ceased development in 2012. Though yolk is no longer maintained (as indicated in comments below), yolk3k appears to be and supports Python 3. Note: I am not involved in the...
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How to run a JAR file

...stem.out.println("Hello world"); } } manifest.mf: Manifest-version: 1.0 Main-Class: Test Note that the text file must end with a new line or carriage return. The last line will not be parsed properly if it does not end with a new line or carriage return. Then run: javac Test.java jar cfm ...
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Convert pandas dataframe to NumPy array

... 3 6 If you need a copy instead, use to_numpy(copy=True). pandas >= 1.0 update for ExtensionTypes If you're using pandas 1.x, chances are you'll be dealing with extension types a lot more. You'll have to be a little more careful that these extension types are correctly converted. a = pd.array...
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Android Fragments and animation

...xample of slide_in_left might look something like this: <?xml version="1.0" encoding="utf-8"?> <set> <objectAnimator xmlns:android="http://schemas.android.com/apk/res/android" android:propertyName="x" android:valueType="floatType" android:valueFrom="-1280" android:...
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Detect Retina Display

...also contains this property. On an iPad running iOS3.2, scale will return 1.0 in 1x mode, and 2.0 in 2x mode -- even though we know that device does not contain a Retina display. Apple changed this behavior in iOS4.2 for the iPad: it returns 1.0 in both 1x and 2x modes. You can test this yourself i...