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Create a “with” block on several context managers? [duplicate]

...ects you acquire via context manager, for instance A lock, a db connection and an ip socket. You can acquire them by: 5 Ans...
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Http Basic Authentication in Java using HttpClient?

I am trying to mimic the functionality of this curl command in Java: 10 Answers 10 ...
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How do I send a POST request as a JSON?

...xpecting the POST request to be json, then you would need to add a header, and also serialize the data for your request... Python 2.x import json import urllib2 data = { 'ids': [12, 3, 4, 5, 6] } req = urllib2.Request('http://example.com/api/posts/create') req.add_header('Content-Type', ...
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How to mock ConfigurationManager.AppSettings with moq

... I believe one standard approach to this is to use a facade pattern to wrap the configuration manager and then you have something loosely coupled that you have control over. So you would wrap the ConfigurationManager. Something like: public...
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What are some resources for getting started in operating system development? [closed]

...ay the bootloader takes the machine code of the kernel, puts it in memory, and jumps to it. You can put any machine code in the kernel that you want, but most C programs expect an OS so you'll need to tell your compiler that it won't have all that, or the bootloader has to create some of it. The k...
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Using HeapDumpOnOutOfMemoryError parameter for heap dump for JBoss

...imilar to "Unable to create /tmp/java_pidpid.hprof: File exists" in your standard out. Be sure to move your dump file out of the dump path to clear the way for any future dump files; and make use of the <pid> placeholder in the file name to increase entropy in the file name. ...
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Why is “if not someobj:” better than “if someobj == None:” in Python?

... the object has a __nonzero__ special method (as do numeric built-ins, int and float), it calls this method. It must either return a bool value which is then directly used, or an int value that is considered False if equal to zero. Otherwise, if the object has a __len__ special method (as do contain...
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What does the X-SourceFiles header do?

...S Express. It contains the base64-encoded path to the source file on disk and is used to link a page's generated output back to that source file. It's only generated for localhost requests, so you don't need to worry about it being displayed to the world when you deploy the application to an actua...
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Removing cordova plugins from the project

Somehow in my app many of the cordova plugins are installed and because of that it requires access to almost everything - from my contacts to current location ( even though this app doesn't need this ). ...
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What is the difference between Serialization and Marshaling?

...d techniques (such as RPC), the term "Marshaling" is used but don't understand how it differs from Serialization. Aren't they both transforming objects into series of bits? ...