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Storing SHA1 hash values in MySQL

...INARY(20) and CHAR(40). CREATE TABLE `binary` ( `id` int unsigned auto_increment primary key, `password` binary(20) not null ); CREATE TABLE `char` ( `id` int unsigned auto_increment primary key, `password` char(40) not null ); With million of records binary(20) takes 44.56M, whil...
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Output to the same line overwriting previous output?

... Here's code for Python 3.x: print(os.path.getsize(file_name)/1024+'KB / '+size+' KB downloaded!', end='\r') The end= keyword is what does the work here -- by default, print() ends in a newline (\n) character, but this can be replaced with a different string. In this case, endi...
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How do I check if the Java JDK is installed on Mac?

... I got "javac 1.6.0_37" is it equivalent of jdk 6 or 7? – angry kiwi Jan 12 '13 at 11:26 8 ...
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Getting SyntaxError for print with keyword argument end=' '

I have this python script where I need to run gdal_retile.py , but I get an exception on this line: 14 Answers ...
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Django: Get model from string?

... As of Django 3.0, it's AppConfig.get_model(model_name, require_ready=True) As of Django 1.9 the method is django.apps.AppConfig.get_model(model_name). -- danihp As of Django 1.7 the django.db.models.loading is deprecated (to be removed in 1.9) in favor of t...
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Determining Referer in PHP

... sent, or called (via AJAX), the current page. I don't want to use the $_SERVER['HTTP_REFERER'] , because of the (lack of) reliability, and I need the page being called to only come from requests originating on my site. Edit: I am looking to verify that a script that preforms a series of actio...
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What is the combinatory logic equivalent of intuitionistic type theory?

... bracket abstraction. tm :: Tm a -> Unty a tm (Var a) = V a tm (Lam _ b) = bra (tm b) tm (f :$ a) = tm f :. tm a tm (Pi a b) = C P :. tm a :. tm b tm Set = C U bra :: Unty (Su a) -> Unty a -- binds a variable, building a function bra (V Ze) = C S :. C K :. C...
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Extracting bits with a single multiplication

...and, namely SMT-LIB 2 input: (set-logic BV) (declare-const mask (_ BitVec 64)) (declare-const multiplicand (_ BitVec 64)) (assert (forall ((x (_ BitVec 64))) (let ((y (bvmul (bvand mask x) multiplicand))) (and (= ((_ extract 63 63) x) ((_ extract 63 63) y)) (= ...
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Pass data to layout that are common to all pages

...{ var model = someList; return PartialView("~/Views/Shared/_maPartialView.cshtml", model); } You just need to put your model begining of the partial view '_maPartialView.cshtml' that you created @model List<WhatEverYourObjeIs> Then you can use data in the model in that...
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django - why is the request.POST object immutable?

...QueryDict class, which implements a full set of mutation methods including __setitem__, __delitem__, pop and clear. It implements immutability by checking a flag when you call one of the mutation methods. And when you call the copy method you get another QueryDict instance with the mutable flag turn...