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Why does javascript map function return undefined?
...u actually want to filter the array, which a map function is not suitable for.
What you actually want is a filter function. It takes a function that returns true or false based on whether you want the item in the resulting array or not.
var arr = ['a','b',1];
var results = arr.filter(function(ite...
express throws error as `body-parser deprecated undefined extended`
In my node app, I am using express. all works fine, But i am getting error in the cmd . I use all are updated modules...
6...
How do you calculate log base 2 in Java for integers?
I use the following function to calculate log base 2 for integers:
10 Answers
10
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Getting pids from ps -ef |grep keyword
I want to use ps -ef | grep "keyword" to determine the pid of a daemon process (there is a unique string in output of ps -ef in it).
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How to fix “Attempted relative import in non-package” even with __init__.py
I'm trying to follow PEP 328 , with the following directory structure:
18 Answers
18
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Why does IE9 switch to compatibility mode on my website?
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Works in IE9 documentMode for me.
Without a X-UA-Compatible header/meta to set an explicit documentMode, you'll get a mode based on:
whether the user has clicked the ‘compatibility view’ button in that domain before;
pe...
How to detect total available/free disk space on the iPhone/iPad device?
I'm looking for a better way to detect available/free disk space on the iPhone/iPad device programmatically.
Currently I'm using the NSFileManager to detect the disk space. Following is the snippet of the code which does the job for me:
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Get the subdomain from a URL
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Anyone have any great ideas besides
storing a list of all TLDs?
No, because each TLD differs on what counts as a subdomain, second level domain, etc.
Keep in mind that there are top level domains, second level domains, and subdomains. Technically speaking, ev...
How can I break an outer loop with PHP?
I am looking to break an outer for/foreach loop in PHP.
6 Answers
6
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Using the Android Application class to persist data
I'm working on a fairly complex Android application that requires a somewhat large amount of data about the application (I'd say a total of about 500KB -- is this large for a mobile device?). From what I can tell, any orientation change in the application (in the activity, to be more precise) cause...