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How to create a GUID/UUID using iOS

...ns the Unique ID of your iPhone. EDIT: -[UIDevice uniqueIdentifier] is now deprecated and apps are being rejected from the App Store for using it. The method below is now the preferred approach. If you need to create several UUID, just use this method (with ARC): + (NSString *)GetUUID { CFU...
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How do you serialize a model instance in Django?

... assuming obj is your model instance dict_obj = model_to_dict( obj ) You now just need one straight json.dumps call to serialize it to json: import json serialized = json.dumps(dict_obj) That's it! :) share | ...
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do you have kcachegrind like profiling tools for mac [closed]

... There is now a 'brew install qcachegrind' where the formula is based on that blog. Although it (atm) does not install the /Applications/QCachegrind.app, just a qcachegrind binary. – DTest Jul 6 '...
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Add UIPickerView & a Button in Action sheet - How?

... Ahh iOS 7! You ruined everything which was developed till now. :( – Sagar R. Kothari Oct 2 '13 at 10:04 ...
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Reading a huge .csv file

...opwhile(lambda r: r[3] != criterion, datareader)) return You can now loop over getstuff() directly. Do the same in getdata(): def getdata(filename, criteria): for criterion in criteria: for row in getstuff(filename, criterion): yield row Now loop directly over ge...
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Convert list to tuple in Python

...nce you have used a tuple variable to hold a tuple (45, 34) earlier... So, now tuple is an object of type tuple now... It is no more a type and hence, it is no more Callable. Never use any built-in types as your variable name... You do have any other name to use. Use any arbitrary name for your va...
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Global and local variables in R

...d since it is not defined in this environment get('var', envir=test.env) # now it can be found share | improve this answer | follow | ...
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How to write to Console.Out during execution of an MSTest test

...thod] public void TestMethod1() { Debug.WriteLine("Time {0}", DateTime.Now); System.Threading.Thread.Sleep(30000); Debug.WriteLine("Time {0}", DateTime.Now); } Output share | improve...
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JPA: what is the proper pattern for iterating over large result sets?

...e've just migrated from JBoss 4.x to JBoss 5.1, so we've stuck with it for now, and thus the latest Hibernate we can use is 3.3.2. Adding couple of extra parameters did the job, and code like this runs without OOMEs: StatelessSession session = ((Session) entityManager.getDelegate()).getSes...
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Why do we use __init__ in Python classes?

...bute", as opposed to "instance attributes" that are colour or legs above. Now, to something less canine and more programming-related. As I write below, class to add things is not sensible - what is it a class of? Classes in Python make up of collections of different data, that behave similarly. Cla...