Problem If you attempt to store an object more than approximately 1 MB in size using memcache in the Google App Engine, it will give a ValueError, something like this: ValueError: Values may not be more than 1000000 bytes in length; received 1088171 bytes Solution I’ve added a library to my Appswell framework that allows [...]
The Google Arcade Fire HTML5 demo is cool, but the code is surprisingly simple: from google import WebApp, Predict, Users, Maps, Html5, NsaProxy user = Users.lookup_by_existing_cookies_and_ip() address = Predict.get_address('Enter the address where you grew up:') data_raper = NsaProxy.init(user, address) try: map = Maps.load_data(address) if map.context == 'urban': kid = Html5.load_urban_kid() else: kid = Html5.load_suburban_kid() video [...]
If you’re using Pylons, the Python framework, you’re probably using FormEncode. And if you’re using FormEncode, you’ve probably have noticed, and blithely ignored, the state argument that’s the last argument to a number of the validator class methods.
So what is state and why would you want to use it?
Problem What if I need to compare really big numbers in PHP? Like comparing 2^66 > 3^53? Overview This will work: print (int) (pow(2,66) > pow(3,53)); PHP will convert the integers to scientific notation. But this script illustrates the limitation of normal operational syntax (i.e.: pow(2,66) > pow(3,53) vs. bccomp(bcpow(2,66), bcpow(3,53),1) > 0): $max = [...]
Problem In CakePhp, I want to invalidate a field submitted in a form and set the error message dynamically. If the error message is set by a validation parameter within the model, the new message should override that error message and be displayed by the form in the view. Overview Consider the following three cases [...]