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Restricting input to textbox: allowing only numbers and decimal point
How can I restrict input to a text-box so that it accepts only numbers and the decimal point?
32 Answers
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Specify sudo password for Ansible
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You can pass variable on the command line via --extra-vars "name=value". Sudo password variable is ansible_sudo_pass. So your command would look like:
ansible-playbook playbook.yml -i inventory.ini --user=username \
--extra-var...
Replacing .NET WebBrowser control with a better browser, like Chrome?
...ject I started a while back that thankfully got picked up by the community and turned into something wonderful.
The project wraps the Chromium Embedded Framework and has been used in a number of major projects including Rdio's Windows client, Facebook Messenger for Windows and Github for Windows.
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std::vector versus std::array in C++
What are the difference between a std::vector and an std::array in C++? When should one be preferred over another? What are the pros and cons of each? All my textbook does is list how they are the same.
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UnboundLocalError on local variable when reassigned after first use
The following code works as expected in both Python 2.5 and 3.0:
12 Answers
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MySQL foreign key constraints, cascade delete
I want to use foreign keys to keep the integrity and avoid orphans (I already use innoDB).
3 Answers
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When to use Preorder, Postorder, and Inorder Binary Search Tree Traversal strategies
...ven contemplated using anything but Inorder traversal (while I am aware of and know how easy it is to adapt a program to use pre/post-order traversal).
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How do I load a file into the python console?
...ontinuously copying/pasting into the python console. Is there a load command or something I can run? e.g. load file.py
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Explain Morris inorder tree traversal without using stacks or recursion
Can someone please help me understand the following Morris inorder tree traversal algorithm without using stacks or recursion ? I was trying to understand how it works, but its just escaping me.
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Cache busting via params
... a system for doing so. My thought was to apply a param to the end of css and js files with the current version number:
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