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Does MongoDB's $in clause guarantee order
...r documents with an array that is going to be passed in to the $in as [ 4, 2, 8 ].
Approach using Aggregate
var list = [ 4, 2, 8 ];
db.collection.aggregate([
// Match the selected documents by "_id"
{ "$match": {
"_id": { "$in": [ 4, 2, 8 ] },
},
// Project a "weight...
How do I use spaces in the Command Prompt?
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267
Single quotation marks won't do in that case. You have to add quotation marks around each path...
Java generics type erasure: when and what happens?
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247
Type erasure applies to the use of generics. There's definitely metadata in the class file to ...
How can I get the latest JRE / JDK as a zip file rather than EXE or MSI installer? [closed]
...or those who needs JDK there's an open-source project OpenJDK Portable
UPD2: there is also a JDK Portable (Oracle)
Some people might be interested in official Oracle production-ready open source build of JDK
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nodejs how to read keystrokes from stdin
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62
You can achieve it this way, if you switch to raw mode:
var stdin = process.openStdin();
requir...
MongoDB logging all queries
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268
You can log all queries:
$ mongo
MongoDB shell version: 2.4.9
connecting to: test
> use my...
How to completely remove node.js from Windows
...ed my previous version of node.js (0.8.11) and downloaded the latest, 0.10.24 from the node.js website and installed it. However, after running node --version , it still indicates that I'm running v0.8.11. Obviously, some stuff was left behind during the uninstall process, and it's causing me to ha...
Can you write virtual functions / methods in Java?
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edited Apr 10 '14 at 18:29
Aditya
4,28033 gold badges2525 silver badges3737 bronze badges
answered Dec...
How to get complete month name from DateTime
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281
Use the "MMMM" custom format specifier:
DateTime.Now.ToString("MMMM");
...