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What's Pros and Cons: putting javascript in head and putting just before the body close
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From Yahoo's Best Practices for Speeding Up Your Web Site:
The problem caused by scripts is that
they block parallel downloads. The
HTTP/1.1 specification suggests that
browsers download no more than two
components in parallel per hostname.
If you serve your images...
How do I check that a number is float or integer?
... n && n % 1 !== 0;
}
Update 2019
5 years after this answer was written, a solution was standardized in ECMA Script 2015. That solution is covered in this answer.
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Why use String.Format? [duplicate]
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I can see a number of reasons:
Readability
string s = string.Format("Hey, {0} it is the {1}st day of {2}. I feel {3}!", _name, _day, _month, _feeling);
vs:
string s = "Hey," + _name + " it is the " + _day + "st day of " + _month + ". I feel " + feeling + "!"...
UITableViewCell Separator disappearing in iOS7
I have some strange issue with UITableView only in iOS 7.
37 Answers
37
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How to find keys of a hash?
... : 3};
alert(Object.keys(obj)); // will output ["a", "b", "c"]
Compatibility details can be found here.
On the Mozilla site there is also a snippet for backward compatibility:
if(!Object.keys) Object.keys = function(o){
if (o !== Object(o))
throw new TypeError('Object.keys called on no...
Global variables in Java
...follow
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edited May 26 '14 at 15:49
golddove
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Why do Python's math.ceil() and math.floor() operations return floats instead of integers?
...what should floor(1.0e30) return?
Now, while Python's integers are now arbitrary precision, it wasn't always this way. The standard library functions are thin wrappers around the equivalent C library functions.
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Java Desktop application: SWT vs. Swing [closed]
...esktop application. The idea is to build a tool that automates a very repetitive task in a web application where no API is available.
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Making Python loggers output all messages to stdout in addition to log file
...ng using the logging module automatically output things to stdout in addition to the log file where they are supposed to go? For example, I'd like all calls to logger.warning , logger.critical , logger.error to go to their intended places but in addition always be copied to stdout . This is...
How does type Dynamic work and how to use it?
I heard that with Dynamic it is somehow possible to do dynamic typing in Scala. But I can't imagine how that might look like or how it works.
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