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Automatic counter in Ruby for each?
...ex { |blah, index| something(blah, index) }
This is something you can do from ruby 1.8.7 and 1.9.
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What's Mongoose error Cast to ObjectId failed for value XXX at path “_id”?
...erstand, but I'd like to avoid this check. How can I create a new ObjectId from a given string (from the GET request) for passing it to the findById method?
– gremo
Feb 18 '13 at 17:58
...
FB OpenGraph og:image not pulling images (possibly https?)
...
Got here from Google but this wasn't much help for me. It turned out that there is a minimum aspect ratio of 3:1 required for the logo. Mine was almost 4:1. I used Gimp to crop it to exactly 3:1 and voila - my logo is now shown on FB....
What is the difference between POST and GET? [duplicate]
... request should cause.
and
POST submits data to be processed (e.g., from an HTML form) to the identified resource. The data is included in the body of the request. This may result in the creation of a new resource or the updates of existing resources or both.
So essentially GET is used to r...
How to get all properties values of a JavaScript Object (without knowing the keys)?
...hods in any browser that supports ECMAScript 5 and above. These get values from an object and avoid enumerating over the prototype chain. Where obj is your object:
var keys = Object.keys(obj);
for (var i = 0; i < keys.length; i++) {
var val = obj[keys[i]];
// use val
}
If you want som...
“Notice: Undefined variable”, “Notice: Undefined index”, and “Notice: Undefined offset” using PHP
...
Notice: Undefined variable
From the vast wisdom of the PHP Manual:
Relying on the default value of an uninitialized variable is problematic in the case of including one file into another which uses the same variable name. It is also a major securit...
When to use an object instance variable versus passing an argument to the method
...f a class. Think of these as adjectives of the object that will be created from your class. If your instance data can be used to help describe the object, then it's probably safe to bet it's a good choice for instance data.
Local variables are used within the scope of methods to help them complete t...
Why is 128==128 false but 127==127 is true when comparing Integer wrappers in Java?
...e "pooled", and it returns the same instance for values smaller than 128.
From the java 1.6 source code, line 621:
public static Integer valueOf(int i) {
if(i >= -128 && i <= IntegerCache.high)
return IntegerCache.cache[i + 128];
else
return new Integer(i);
}
...
MVC4 StyleBundle not resolving images
... any name you like).
This will only work if you are bundling together CSS from the same folder (which I think makes sense from a bundling perspective).
Update
As per the comment below by @Hao Kung, alternatively this may now be achieved by applying a CssRewriteUrlTransformation (Change relative U...
Python memory leaks [closed]
...ected, check this small example:
install package via pip install pympler
from pympler.tracker import SummaryTracker
tracker = SummaryTracker()
# ... some code you want to investigate ...
tracker.print_diff()
The output shows you all the objects that have been added, plus the memory they consum...