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How do I parse an ISO 8601-formatted date?
...eed to parse RFC 3339 strings like "2008-09-03T20:56:35.450686Z" into Python's datetime type.
27 Answers
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Interface or an Abstract Class: which one to use?
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Use an interface when you want to force developers working in your system (yourself included) to implement a set number of methods on the classes they'll be building.
Use an abstract class when you want to force developers working in your system ...
In-Place Radix Sort
... D because that's the language that I use most and therefore am least likely to make silly mistakes in, but it could easily be translated to some other language. It's in-place but requires 2 * seq.length passes through the array.
void radixSort(string[] seqs, size_t base = 0) {
if(seqs.length =...
Function to calculate distance between two coordinates
I'm currently using the function below and it doesn't work properly. According to Google Maps, the distance between these coordinates (from 59.3293371,13.4877472 to 59.3225525,13.4619422 ) are 2.2 kilometres while the function returns 1.6 kilometres. How can I make this function return the ...
Can you grab or delete between parentheses in vi/vim?
... the cursor. Position the cursor on the opening (or closing) paren and use y% for yanking or d% for deleting everything from the cursor to the matching paren.
This works because % is a "motion command", so it can be used anywhere vim expects such a command. From :help y:
["x]y{motion} Yank {...
Node.js Best Practice Exception Handling
I just started trying out node.js a few days ago. I've realized that the Node is terminated whenever I have an unhandled exception in my program. This is different than the normal server container that I have been exposed to where only the Worker Thread dies when unhandled exceptions occur and the c...
Filter dict to contain only certain keys?
I've got a dict that has a whole bunch of entries. I'm only interested in a select few of them. Is there an easy way to prune all the other ones out?
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How to put the legend out of the plot
...not want to change the axes, as the size of the figure gets reduced. Kindly help me for the following queries:
17 Answers
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How to select only date from a DATETIME field in MySQL?
I have a table in the MySQL database that is set up with DATETIME . I need to SELECT in this table only by DATE and excluding the time.
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Wait for all promises to resolve
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Thanks for confirming my worst fear. Now I have to come up with a way to get the last promise lol.
– jensengar
Feb 13 '14 at 18:30
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