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What are metaclasses in Python?

...try.register(self, self.interfaces) print "Would register class %s now." % self def __add__(self, other): class AutoClass(self, other): pass return AutoClass # Alternatively, to autogenerate the classname as well as the class: # return type(se...
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How to create an AVD for Android 4.0

Android 4.0 is now released. I have just updated my ADT plugin and downloaded the 4.0 SDK. But when I try to create an AVD for Android 4.0, Eclipse tells me 'Unable to find a 'userdata.img' file for ABI armeabi to copy into the AVD folder'. ...
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Do DOM tree elements with ids become global variables?

...ed elements as properties of the window object. This is doubly bad in that now you have to avoid naming your elements after any member of either the document or the window object you (or any other library code in your project) might want to use. It also means that these elements are visible as glob...
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How to convert TimeStamp to Date in Java?

... I hate when ppl use libraries in their answers and expect everyone to know how to import them :/ – Sodj Nov 28 '18 at 10:04 ...
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What programming practice that you once liked have you since changed your mind about? [closed]

...tial to confuse/complicate //things but can make the code hard to follow. Now I spend more time on //improving the simplicity and readability of the code and inserting fewer yet //relevant comments, instead of spending that time writing overly-descriptive //commentaries all throughout the code. ...
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How do I get a string format of the current date time, in python?

...day().strftime("%B %d, %Y") 'July 23, 2010' >>> datetime.datetime.now().strftime("%I:%M%p on %B %d, %Y") '10:36AM on July 23, 2010' share | improve this answer | fo...
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Proper Repository Pattern Design in PHP?

...ow in order to be used by my controller. Remember, my controller will not know where the data is actually stored. Note that my repositories will only every contain these three methods. The save() method is responsible for both creating and updating users, simply depending on whether or not the user...
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How to Generate unique file names in C#

... exists), I fall back to GUIDs. Update: Recently, I've also use DateTime.Now.Ticks instead of GUIDs: var myUniqueFileName = string.Format(@"{0}.txt", DateTime.Now.Ticks); or var myUniqueFileName = $@"{DateTime.Now.Ticks}.txt"; The benefit to me is that this generates a shorter and "nicer loo...
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How to install the Raspberry Pi cross compiler on my Linux host machine?

...arm-linux-gnueabihf-raspbian/bin to the end of the file named ~/.bashrc Now you can either log out and log back in (i.e. restart your terminal session), or run . ~/.bashrc in your terminal to pick up the PATH addition in your current terminal session. Now, verify that you can access the compiler...
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How to determine day of week by passing specific date?

...all dateTime.dayOfWeek() and/or DateTimeFormat. edit: since Java 8 you can now use java.time package instead of joda-time share | improve this answer | follow ...