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How can I create a copy of an object in Python?

...would like to create a copy of an object. I want the new object to possess all properties of the old object (values of the fields). But I want to have independent objects. So, if I change values of the fields of the new object, the old object should not be affected by that. ...
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receiving error: 'Error: SSL Error: SELF_SIGNED_CERT_IN_CHAIN' while using npm

... on ubuntu - I am receiving the error copied below while attempting to install any new modules via npm (I tested socket.io earlier using http, not https though & am wondering if that could have resulted in the issue with npm/unsigned certs). The error pops up once npm tries to resolve the ' https:/...
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Oracle TNS names not showing when adding new connection to SQL Developer

...cognized, use the following procedure: Define an environmental variable called TNS_ADMIN to point to the folder that contains your tnsnames.ora file. In Windows, this is done by navigating to Control Panel > System > Advanced system settings > Environment Variables... In Linux, define...
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How do I parse XML in Python?

... 811 I suggest ElementTree. There are other compatible implementations of the same API, such as lxm...
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Integrating the ZXing library directly into my Android application

...de so it hopefully can help others with the same problem as I had ;) Install Apache Ant - (See this YouTube video for config help) Download the ZXing source from ZXing homepage and extract it With the use of Windows Commandline (Run->CMD) navigate to the root directory of the downloaded zxing s...
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Django: How to completely uninstall a Django app?

What is the procedure for completely uninstalling a Django app, complete with database removal? 5 Answers ...
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Why is Linux called a monolithic kernel?

... A monolithic kernel is a kernel where all services (file system, VFS, device drivers, etc) as well as core functionality (scheduling, memory allocation, etc.) are a tight knit group sharing the same space. This directly opposes a microkernel. A microkernel prefe...
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Logical operators for boolean indexing in Pandas

...Error: The truth value of an array is ambiguous. Use a.empty, a.any() or a.all(). when used as a boolean value. That's because its unclear when it should be True or False. Some users might assume they are True if they have non-zero length, like a Python list. Others might desire for it to be True ...
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In jQuery, how do I get the value of a radio button when they all have the same name?

... @PavanAlapati We cannot really tell you why without seeing your HTML as well; ideally, you would post a new question with your exact HTML snippet and the code you are using. You should only get undefined though, if: The name in the selector does not m...
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Recursive search and replace in text files on Mac and Linux

...the linux shell, the following command will recursively search and replace all instances of 'this' with 'that' (I don't have a Linux shell in front of me, but it should do). ...