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Most efficient way to store thousand telephone numbers
...wer would prefer the answer "a trie" instead of "a complex custom made database". If you want to show of your 133t hacking skills, you can add - "it would be possible to make a specific tree algorithm for this special case, if neccesary."
– KarlP
Oct 21 '11 at ...
How do I use IValidatableObject?
...in your table (such as the user who created it). It is required in the database but you step in in the SaveChanges in the context to populate it (eliminating the need for developers to remember to set it explicitly). You would, of course, validate before saving. So you don't mark the "creator" colum...
Is there a simple, elegant way to define singletons? [duplicate]
...he Metaclass approach.
class Singleton(type):
def __init__(cls, name, bases, dict):
super(Singleton, cls).__init__(name, bases, dict)
cls.instance = None
def __call__(cls,*args,**kw):
if cls.instance is None:
cls.instance = super(Singleton, cls).__call_...
How to detect page zoom level in all modern browsers?
I need this because some of my calculations are pixel-based and they may fluctuate when zoomed.
28 Answers
...
AES vs Blowfish for file encryption
... (and most other block ciphers of the same era, like 3DES and IDEA) have a 64 bit block size, which is considered insufficient for the large file sizes which are common these days (the larger the file, and the smaller the block size, the higher the probability of a repeated block in the ciphertext -...
How to interpret API documentation function parameters?
...rmat link is dead -- anyone have a replacement link? @PenguinCoder Update: Based on [unix.stackexchange.com/questions/17833/… (Unix Stack Exchange), It is loosely based on [en.wikipedia.org/wiki/Extended_Backus%E2%80%93Naur_Form( EBNF)
– steviejay
Jun 4 '16 ...
Can't compile project when I'm using Lombok under IntelliJ IDEA
...cessing is checked.
Ensure Store generates sources relative to is selected based on the project's module settings (if Module output directory doesn't work, come back and try the other setting).
Click Apply.
Click Plugins.
Click Marketplace.
Set search field to: lombok
Install Lombok.
Click OK.
Resta...
Convert Django Model object to dict with all of the fields intact
...e': <OtherModel: OtherModel object>,
'_state': <django.db.models.base.ModelState at 0x7ff0993f6908>,
'auto_now_add': datetime.datetime(2018, 12, 20, 21, 34, 29, 494827, tzinfo=<UTC>),
'foreign_key_id': 2,
'id': 1,
'normal_value': 1,
'readonly_value': 2}
This is by far the s...
Among $_REQUEST, $_GET and $_POST which one is the fastest?
...les are in one superglobal). I actually rebuild $_REQUEST before using it based on the other superglobals because of 'variables_order'. I process $_COOKIE, then $_GET, then $_POST. That way POST vars have the highest priority and cookie vars get the lowest, which allows me to implicitly fix a num...
How to get terminal's Character Encoding
...is is what worked for me on a CentOS system. It showed the system encoding based upon current language settings. The terminal settings used to get to that machine are a different story and a function of the client being used.
– Phil DD
Apr 6 '18 at 17:15
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