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What is the difference between Normalize.css and Reset CSS?
...size rendering for pre, SVG overflow in IE9, and the button styling bug in iOS.
Normalize.css doesn't clutter your dev tools. A common irritation when using reset.css is the large inheritance chain that is displayed in browser CSS debugging tools. This is not such an issue with normalize.css because...
Where is array's length property defined?
...a simple attribute named length which is final.
There is no "class definition" of an array (you can't find it in any .class file), they're a part of the language itself.
10.7. Array Members
The members of an array type are all of the following:
The public final field length, which ...
How to set selected value of jquery select2?
This belong to codes prior to select2 version 4
28 Answers
28
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How do I manage MongoDB connections in a Node.js web application?
...n your app boots up and reuse
the db object. It's not a singleton connection pool each .connect
creates a new connection pool.
So, to answer your question directly, reuse the db object that results from MongoClient.connect(). This gives you pooling, and will provide a noticeable speed increase...
Using [UIColor colorWithRed:green:blue:alpha:] doesn't work with UITableView seperatorColor?
... I created a very simple UIColor category that does the messy looking division by itself: (from http://github.com/Jon889/JPGeneral)
//.h file
@interface UIColor (JPExtras)
+ (UIColor *)colorWithR:(CGFloat)red G:(CGFloat)green B:(CGFloat)blue A:(CGFloat)alpha;
@end
//.m file
@implementation UIColor...
What is the “main file” property when doing bower init?
...
According to the Bower.io documentation
main
Recommended Type: String or Array of String
The primary acting files necessary to use your package. While Bower
does not directly use these files, they are listed with the
commands...
What's the point of Spring MVC's DelegatingFilterProxy?
...t is, it finds a bean ("target bean" or "delegate") in your Spring application context and invokes it. How is it possible? Because this bean implements javax.servlet.Filter, its doFilter method is called.
Which bean is called? the DelegatingFilterProxy "Supports a "targetBeanName" [...], specifying...
How can I use PowerShell with the Visual Studio Command Prompt?
...Command Prompt. I used to have a nice vsvars2008.ps1 script for Visual Studio 2008. Anyone have a vsvars2010.ps1 or something similar?
...
Cache Invalidation — Is there a General Solution?
...h can be modified outside of it's control.
If you have an idempotent function from a, b to c where, if a and b are the same then c is the same but the cost of checking b is high then you either:
accept that you sometime operate with out of date information and do not always check b
do your level ...
What is “overhead”?
...
It's the resources required to set up an operation. It might seem unrelated, but necessary.
It's like when you need to go somewhere, you might need a car. But, it would be a lot of overhead to get a car to drive down the street, so you might want to walk. However, the ov...