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How to set HTTP headers (for cache-control)?
...v attribute is an enumerated attribute" means it allows only values in the table in the spec. It even calls out caching in the later section ("other pragma directives"): > Pragma directives corresponding to headers that affect the HTTP processing model (e.g. caching) must not be registered, as th...
How to use Class in Java?
...ll know that Vector<int[]> is a vector of integer arrays, and HashTable<String, Person> is a table of whose keys are strings and values Person s.
However, what stumps me is the usage of Class<> .
...
How to read contacts on Android 2.0
...e amount of data that is returned.
String key, value, phoneNumber;
Hashtable contactPhoneInfo = new Hashtable<String, String>();
Uri phoneUri = ContactsContract.CommonDataKinds.Phone.CONTENT_URI;
String [] PHONES_PROJECTION = new String[] { ContactsContract.CommonDataKinds.Phone.NUMBER ...
jQuery: Return data after ajax call success [duplicate]
... Benjamin Gruenbaum for pointing it out). Currently (as of May, 2015) the stable versions of jQuery are 1.x and 2.x.
What I explained above (in March, 2011) is a way to use jQuery Deferred Objects to do something asynchronously that in synchronous code would be achieved by returning a value.
But a...
ASP.NET MVC 404 Error Handling [duplicate]
...enerated by ASP.NET:
Scenario 1: URL does not match a route in the route table.
Generated by ASP.NET MVC:
Scenario 2: URL matches a route, but specifies a controller that doesn't exist.
Scenario 3: URL matches a route, but specifies an action that doesn't exist.
Manually generated:
Scenari...
What are some compelling use cases for dependent method types?
...ored in a hash map and referenced by a hash key value. Functions input immutable arguments that are values from the environment, may call other such functions, and write state to the environment. But functions are not allowed to read values from the environment (so the internal code of the function ...
How to combine two or more querysets in a Django view?
...
If merging querysets from the same table to perform an OR query, and have duplicated rows you can eliminate them with the groupby function: from itertools import groupby unique_results = [rows.next() for (key, rows) in groupby(result_list, key=lambda obj: obj...
std::function vs template
...he code (which would not be possible if the call were performed through a vtable).
Yes, it is true that template support is not perfect, and C++11 is still lacking a support for concepts; however, I don't see how std::function would save you in that respect. std::function is not an alternative to t...
How do I compare strings in Java?
..." String objects to save memory footprint as String is known for being immutable (I hope, I say it correctly here). Also check stackoverflow.com/questions/3052442/…
– Roland
Nov 10 '17 at 13:34
...
OO Design in Rails: Where to put stuff
...way. Or to put it another way, a model doesn't have to be an analogue of a table, or even related to anything stored at all. Even better, as long as you name your file in app/models according to Rails' conventions (call #underscore on the class name to find out what Rails will look for), Rails will ...