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How can I rename a field for all documents in MongoDB?
...ral syntax of this is
db.collection.updateMany(filter, update, options)
https://docs.mongodb.com/manual/reference/method/db.collection.updateMany/
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NoSql Crash Course/Tutorial [closed]
...s to complete and is a really great way to get started with noSQL!
http://www.mongodb.org/ (click "try it out")
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How to chain scope queries with OR instead of AND?
...e, it looks like there is an existing pull request to get this into Rails: https://github.com/rails/rails/pull/9052.
Thanks to @j-mcnally's monkey patch for ActiveRecord (https://gist.github.com/j-mcnally/250eaaceef234dd8971b) you can do the following:
Person.where(name: 'John').or.where(last_name...
Good Java graph algorithm library? [closed]
.... Currently dormant, but provides implementations for many algorithms. See https://issues.apache.org/jira/browse/SANDBOX-458 for a list of implemented algorithms, also compared with Jung, GraphT, Prefuse, jBPT
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How to configure Fiddler to listen to localhost?
...quest.
Use http://ipv4.fiddler instead of localhost.
For more info http://www.fiddler2.com/Fiddler/help/hookup.asp
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Difference between JSON.stringify and JSON.parse
...formation about these two functions, please refer to the following links.
https://msdn.microsoft.com/library/cc836459(v=vs.94).aspx
https://msdn.microsoft.com/library/cc836466(v=vs.94).aspx
Secondly, the following sample will be helpful for you to understand these two functions.
<form id="for...
How to fix “Headers already sent” error in PHP
... modify header information - headers already sent by
(output started at /www/usr2345/htdocs/auth.php:52) in
/www/usr2345/htdocs/index.php on line 100
Here "line 100" refers to the script where the header() invocation failed.
The "output started at" note within the parenthesis is more signific...
LLVM C++ IDE for Windows
... the project.
Development site:
http://code.google.com/p/llvm4eclipsecdt/
https://github.com/TuononenP/llvm4eclipsecdt
Eclipse marketplace (100% free & open-source):
http://marketplace.eclipse.org/content/llvm-toolchain-eclipse-cdt
UPDATE: The plugin is deprecated. Instead install "C/C++ LLVM...
Cloning an Object in Node.js
...j1.x); // still logs 5
Source code of Node's _extend function is in here: https://github.com/joyent/node/blob/master/lib/util.js
exports._extend = function(origin, add) {
// Don't do anything if add isn't an object
if (!add || typeof add !== 'object') return origin;
var keys = Object.keys(ad...
How to convert Set to String[]?
...p.keySet();
FluentIterable.from(mySet).toArray(String.class);
more info: https://google.github.io/guava/releases/19.0/api/docs/com/google/common/collect/FluentIterable.html
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