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When should use Readonly and Get only properties
...during the construction of an object (in the constructor).
private string _name = "Foo"; // field for property Name;
private bool _enabled = false; // field for property Enabled;
public string Name{ // This is a readonly property.
get {
return _name;
}
}
public bool Enabled{ // This is ...
Pros and cons of using sbt vs maven in Scala project [closed]
... answered Jul 1 '12 at 12:25
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Flatten an Array of Arrays in Swift
...rrays: FlattenBidirectionalCollection<Array<Array<Int>>>(_base: [[1, 2, 3], [4], [5, 6, 7, 8, 9]])). Your point is valid though that you can access it like a flat array, so it would seem that that the CustomStringConvertable implementation is misleading. Your code snippet was and...
Django Model - Case-insensitive Query / Filtering
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I solved it like this:
MyClass.objects.filter(name__iexact=my_parameter)
There is even a way to use it for substring search:
MyClass.objects.filter(name__icontains=my_parameter)
There's a link to the documentation.
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How to generate a random number in C++?
...d
(assuming rand() itself is uniformly distributed from 0 to RAND_MAX) */
while( ( n = rand() ) > RAND_MAX - (RAND_MAX-5)%6 )
{ /* bad value retrieved so get next one */ }
printf( "%d,\t%d\n", n, n % 6 + 1 );
}
return 0;
}
^^^ THAT sequence from a sing...
How do I convert this list of dictionaries to a csv file?
...
keys = toCSV[0].keys()
with open('people.csv', 'w', newline='') as output_file:
dict_writer = csv.DictWriter(output_file, keys)
dict_writer.writeheader()
dict_writer.writerows(toCSV)
EDIT: My prior solution doesn't handle the order. As noted by Wilduck, DictWriter is more appropriate...
MySQL > Table doesn't exist. But it does (or it should)
...tory directly using command
cp -r /path/to/my/database /var/lib/mysql/new_database
If you do this with a database that uses InnoDB tables, you will get this crazy 'table does not exist' error mentioned above.
The issue is that you need the ib* files in the root of the MySQL datadir (e.g. ibdata...
Convert JavaScript string in dot notation into an object reference
... given somewhere (e.g. developer.mozilla.org/en/JavaScript/Reference/Global_Objects/… ).
– ninjagecko
Jun 18 '11 at 6:12
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Why isn't sizeof for a struct equal to the sum of sizeof of each member?
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If you want the structure to have a certain size with GCC for example use __attribute__((packed)).
On Windows you can set the alignment to one byte when using the cl.exe compier with the /Zp option.
Usually it is easier for the CPU to access data that is a multiple of 4 (or 8), depending platform...
Adding :default => true to boolean in existing Rails column
...dding a default boolean value to an existing column. So I tried the change_column suggestion but I mustn't be doing it right.
...