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How do I get whole and fractional parts from double in JSP/Java?
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edited Nov 26 '19 at 14:48
Dan Is Fiddling By Firelight
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Trimming a huge (3.5 GB) csv file to read into R
...has a lot of detail and incomplete rows (leading Access and SQL to choke). It's county level data set broken into segments, sub-segments, and sub-sub-segments (for a total of ~200 factors) for 40 years. In short, it's huge, and it's not going to fit into memory if I try to simply read it.
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Compare two files line by line and generate the difference in another file
I want to compare file1 with file2 and generate a file3 which contains the lines in file1 which are not present in file2.
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How to find the extension of a file in C#?
... This allows someone to just rename any file *.flv and upload it. Depending on what your requirements are, you might want to check the MIME type as well.
– David Glenn
Dec 11 '09 at 9:44
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Can not connect to local PostgreSQL
...x domain sockets are files and have user permissions just like any other. It looks as though the OSX user attempting to access the database does not have file permissions to access the socket file. To confirm this I've done some tests on Ubuntu and psql to try to generate the same error (included ...
The 'Access-Control-Allow-Origin' header contains multiple values
... As the client is hosted on a different domain as the server, I need CORS. It works for $http.post(url, data). But as soon as I authenticate the user and make a request via $http.get(url), I get the message
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Can we omit parentheses when creating an object using the “new” operator?
...nly, JavaScript simplifies the grammar by allowing the parenthesis to be omitted if there are no arguments in the function call. Here are some examples using the new operator:
o = new Object; // Optional parenthesis omitted here
d = new Date();
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Personally, I always use the parenthesis, eve...
Is there a template engine for Node.js? [closed]
I'm experimenting with building an entire web application using Node.js. Is there a template engine similar to (for example) the Django template engine or the like that at least allows you to extend base templates?
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Numpy where function multiple conditions
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The best way in your particular case would just be to change your two criteria to one criterion:
dists[abs(dists - r - dr/2.) <= dr/2.]
It only creates one boolean array, and in my opinion is easier to read because it says, is dist within a dr or r? (Though I'd redefine r to be the center o...
How to convert NSNumber to NSString
So I have an NSArray "myArray" with NSNumber s and NSString s. I need them in another UIView so i go like this:
7 Ans...