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Simple way to encode a string according to a password?

... to do much work to implement a proper encryption scheme however. First of all, don’t re-invent the cryptography wheel, use a trusted cryptography library to handle this for you. For Python 3, that trusted library is cryptography. I also recommend that encryption and decryption applies to bytes; ...
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Iterating Over Dictionary Key Values Corresponding to List in Python

...ict (league) itself, or league.keys(): for team in league.keys(): runs_scored, runs_allowed = map(float, league[team]) You can also iterate over both the keys and the values at once by iterating over league.items(): for team, runs in league.items(): runs_scored, runs_allowed = map(float,...
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Ruby on Rails - Import Data from a CSV file

... The smarter_csv gem was specifically created for this use-case: to read data from CSV file and quickly create database entries. require 'smarter_csv' options = {} SmarterCSV.process('input_file.csv', options) do |chunk| chunk.each do |data_hash| ...
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What does it mean for a data structure to be “intrusive”?

...to know about the list it is in, and inform it of changes. ORM-systems usually revolve around intrusive data structures, to minimize iteration over large lists of objects. For instance, if you retrieve a list of all the employees in the database, then change the name of one of them, and want to sav...
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How to refer environment variable in POM.xml?

I am using maven as build tool. I have set an environment variable called env . How can I get access to this environment variable's value in the pom.xml file? ...
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How to check if all of the following items are in a list?

... Operators like <= in Python are generally not overriden to mean something significantly different than "less than or equal to". It's unusual for the standard library does this--it smells like legacy API to me. Use the equivalent and more clearly-named method, ...
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How to ignore deprecation warnings in Python

... This doesn't work for me at all, still seeing deprecationwarnings. – user1244215 Oct 22 '13 at 0:43 9 ...
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Subprocess changing directory

... @The_Diver That's why cd must be implemented as internal shell command. There's no other way to do it. Internal shell commands are executed within the same process as the shell. What I meant by subshell is the shell executed for ...
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UIGestureRecognizer on UIImageView

...nEnabled = YES; UIPinchGestureRecognizer *pgr = [[UIPinchGestureRecognizer alloc] initWithTarget:self action:@selector(handlePinch:)]; pgr.delegate = self; [imageView addGestureRecognizer:pgr]; [pgr release]; : : - (void)handlePinch:(UIPinchGestureRecognizer *)pinchGestureRecognizer { //handl...
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Getting current device language in iOS?

... The solutions provided will actually return the current region of the device - not the currently selected language. These are often one and the same. However, if I am in North America and I set my language to Japanese, my region will still be English (Unite...