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What is the _snowman param in Ruby on Rails 3 forms for?

...net Explorer (5, 6, 7 and 8) to encode its parameters as unicode. Specifically, this bug can be triggered if the user switches the browser's encoding to Latin-1. To understand why a user would decide to do something seemingly so crazy, check out this google search. Once the user has put the web-sit...
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How do I import the Django DoesNotExist exception?

...y of the model itself, in this case Answer. Your problem is that you are calling the get method - which raises the exception - before it is passed to assertRaises. You need to separate the arguments from the callable, as described in the unittest documentation: self.assertRaises(Answer.DoesNotExis...
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Print a list of all installed node.js modules

In a node.js script that I'm working on, I want to print all node.js modules (installed using npm) to the command line. How can I do this? ...
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mongodb group values by multiple fields

... $slice just off the basic aggregation result. For "large" results, run parallel queries instead for each grouping ( a demonstration listing is at the end of the answer ), or wait for SERVER-9377 to resolve, which would allow a "limit" to the number of items to $push to an array. db.books.aggregate(...
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Sending Email in Android using JavaMail API without using the default/built-in app

...net.ssl.SSLSocketFactory"); props.put("mail.smtp.socketFactory.fallback", "false"); props.setProperty("mail.smtp.quitwait", "false"); session = Session.getDefaultInstance(props, this); } protected PasswordAuthentication getPasswordAuthentication()...
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How do I commit case-sensitive only filename changes in Git?

... listing finds makefile when git expects Makefile, git will assume it is really the same file, and continue to remember it as Makefile. The default is false, except git-clone(1) or git-init(1) will probe and set core.ignorecase true if appropriate when the repository is created. Case-insensitive fi...
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Java: Date from unix timestamp

... OneCricketeer 115k1212 gold badges7979 silver badges165165 bronze badges answered Jul 30 '10 at 12:24 Pablo Santa C...
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while (1) vs. while(True) — Why is there a difference (in python 2 bytecode)?

...me byte code for while(True): pass and while(1): pass , but this is actually not the case in python2.7. 3 Answers ...
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What is an 'endpoint' in Flask?

...erkzeug library) is to map URL paths to some logic that you will run (typically, the "view function"). Your basic view is defined like this: @app.route('/greeting/<name>') def give_greeting(name): return 'Hello, {0}!'.format(name) Note that the function you referred to (add_url_rule) ac...
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Loop through files in a directory using PowerShell

How can I change the following code to look at all the .log files in the directory and not just the one file? 4 Answers ...