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In Django - Model Inheritance - Does it allow you to override a parent model's attribute?
...ace and for every LongNamedRestaurant. LongNamedRestaurant just creates an extra table with the food_type and a reference to the place table.
If you do Place.objects.all(), you also get every place that is a LongNamedRestaurant, and it will be an instance of Place (without the food_type). So Place....
Flatten an irregular list of lists
... if isinstance(el, collections.Iterable) and not isinstance(el, basestring):
for sub in flatten(el):
yield sub
else:
yield el
I used the Iterable ABC added in 2.6.
Python 3
In Python 3, the basestring is no more, but you can use a tuple of s...
String.equals versus == [duplicate]
This code separates a string into tokens and stores them in an array of strings, and then compares a variable with the first home ... why isn't it working?
...
How to compile and run C/C++ in a Unix console/Mac terminal?
...ake: command not found" <-- You have to have the developer tool and the extra components downloaded.
– dgig
Apr 30 '14 at 15:20
17
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Forced naming of parameters in Python
...ed.
Cons:
Checking occurs during run-time, not compile-time.
Use of an extra parameter (though not argument) and an additional check. Small performance degradation respect to regular functions.
Functionality is a hack without direct support by the language (see note below).
When calling the fun...
Fastest way to check if a file exist using standard C++/C++11/C?
...idn't.
#include <sys/stat.h>
#include <unistd.h>
#include <string>
#include <fstream>
inline bool exists_test0 (const std::string& name) {
ifstream f(name.c_str());
return f.good();
}
inline bool exists_test1 (const std::string& name) {
if (FILE *file =...
Restful API service
...l ResultReceiver receiver = intent.getParcelableExtra("receiver");
String command = intent.getStringExtra("command");
Bundle b = new Bundle();
if(command.equals("query") {
receiver.send(STATUS_RUNNING, Bundle.EMPTY);
try {
// get some d...
sphinx-build fail - autodoc can't import/find module
...ath to the front of sys.path using os.path.insert(0, ...), and just add an extra .
import os
import sys
sys.path.insert(0, os.path.abspath('..'))
If you have setup your sphinx project to use separate build and source directories, that call should instead be:
sys.path.insert(0, os.path.abspath('....
Convert seconds to Hour:Minute:Second
...2:22:05
See: SEC_TO_TIME
Run the Demo
PostgreSQL example:
SELECT TO_CHAR('8525 second'::interval, 'HH24:MI:SS');
# 02:22:05
Run the Demo
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Best way to parse command line arguments in C#? [closed]
...plications that take parameters, you can use the arguments passed to Main(string[] args) .
20 Answers
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