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How update the _id of one MongoDB Document?
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Using just ObjectId() without the string as parameter will generate a new unique one.
– Erik
Apr 30 '15 at 12:58
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How to find and return a duplicate value in array
arr is array of strings:
20 Answers
20
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what is “strict mode” and how is it used?
...ion using (once per function, or once for the
whole program) the following string:
"use strict";
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How to track down log4net problems
...atic ILog logger = LogManager.GetLogger(typeof(Program));
static void Main(string[] args)
{
logger.InfoFormat("{0} v.{1} started.", Assembly.GetExecutingAssembly().GetName().Name, Assembly.GetExecutingAssembly().GetName().Version.ToString());
With 2.0.8, I had an interesting situation. I creat...
Static variables in JavaScript
... the static variable is never going to be falsey (false, 0, null, or empty string)
– Kip
Sep 23 '11 at 17:25
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Rails: confused about syntax for passing locals to partials
...f your arguments as a hash and parse them accordingly.
If you pass in a string as your first argument, it assumes the first argument is your partial name, and will pass the remainder as your locals. However, in that subsequent call, it actually assigns :locals => your_locals_argument, which in...
Getters \ setters for dummies
...s when a property is accessed, like keeping numbers in range, reformatting strings, triggering value-has-changed events, updating relational data, providing access to private properties, and more.
The examples below show the basic syntax, though they simply get and set the internal object value wit...
Transactions in .net
... DTC.
There is a glitch that means you might need to tweak your connection string
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Why doesn't Python have a sign function?
...se of floats. It would not work for integers or complex numbers, much less strings, and it wouldn't have the name you are looking for.
You ask "why", and the answer is "sign(x) isn't useful." You assert that it is useful. Yet your comments show that you do not know enough to be able to make that as...
select * vs select column
...ic indices for columns that common? I've always accessed column data using string keys or property names if using ORM.
– Lèse majesté
Jul 5 '10 at 15:04
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