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Apply function to all elements of collection through LINQ [duplicate]
...started off with LINQ and its amazing. I was wondering if LINQ would allow me to apply a function - any function - to all the elements of a collection, without using foreach. Something like python lambda functions.
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Google Guava vs. Apache Commons [closed]
I was looking for a bidirectional map implementation in Java, and stumbled upon these two libraries:
5 Answers
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React.js: Identifying different inputs with one onChange handler
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I suggest sticking to standard HTML attributes like name on input Elements to identify your inputs. Also, you don't need to keep "total" as a separate value in state because it is composable by adding other values in your state:
var Hello = React.createClass({
getInitialSta...
delete a.x vs a.x = undefined
...are not equivalent. The main difference is that setting
a.x = undefined
means that a.hasOwnProperty("x") will still return true, and therefore, it will still show up in a for in loop, and in Object.keys()
delete a.x
means that a.hasOwnProperty("x") will return false
The way that they are the ...
How do I clear my local working directory in Git? [duplicate]
...ed changes in a specific file):
git checkout thefiletoreset.txt
This is mentioned in the git status output:
(use "git checkout -- <file>..." to discard changes in working directory)
To reset the entire repository to the last committed state:
git reset --hard
To remove untracked files,...
How to automatically install Ansible Galaxy roles?
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You should use a requirements.yml file for this use-case. Describe the roles you require, using any of a variety of install methods:
# Install a role from the Ansible Galaxy
- src: dfarrell07.opendaylight
# Install a role from GitHub
- name: opend...
How to do associative array/hashing in JavaScript
I need to store some statistics using JavaScript in a way like I'd do it in C#:
11 Answers
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RegEx - Match Numbers of Variable Length
I'm trying to parse a document that has reference numbers littered throughout it.
5 Answers
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Assign variables to child template in {% include %} tag Django
I have this code(which doesn't give me expected result)
1 Answer
1
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How to change the background color of a UIButton while it's highlighted?
At some point in my app I have a highlighted UIButton (for example when a user has his finger on the button) and I need to change the background color while the button is highlighted (so while the finger of the user is still on the button).
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