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HTTP status code 0 - Error Domain=NSURLErrorDomain?

... your http error calll back, angulartutorial.net/2017/03/http-status-codes-and-meanings.html – Prashobh Mar 15 '17 at 10:48 ...
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How can I get a list of locally installed Python modules?

...is solution applies to the system scope or to a virtual environment scope, and covers packages installed by setuptools, pip and (god forbid) easy_install. My use case I added the result of this call to my flask server, so when I call it with http://example.com/exampleServer/environment I get the l...
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How can I show line numbers in Eclipse?

... → Show line numbers. Edit: I wrote this long ago but as @ArtOfWarfar and @voidstate mentioned you can now simply: Right click the gutter and select "Show Line Numbers": share | improve this...
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Getting the last element of a split string array

...ement of a split array with multiple separators. The separators are commas and space. If there are no separators it should return the original string. ...
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Get a list of all threads currently running in Java

...de worse for the sake of efficiency. If you have an efficiency requirement and an infrastructure to measure efficiency quantitatively, then I'm ok with people making code worse, because they seem to know what they're doing. See the root of all evil according to Donald Knuth. – ...
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Jackson databind enum case insensitive

... all the Enum types (link to the github issue). Also you can replace the standard Enum deserializer on your own that will be aware about the Enum type. Here is an example: public class JacksonEnum { public static enum DataType { JSON, HTML } public static void main(String[] ar...
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How to run a background task in a servlet based web application?

I'm using Java and I want to keep a servlet continuously running in my application, but I'm not getting how to do it. My servlet has a method which gives counts of the user from a database on a daily basis as well as the total count of the users from the whole database. So I want to keep the servlet...
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Can dplyr package be used for conditional mutating?

... TRUE ~ NA_real_)) Added - arithmetic/na_if If the values are numeric and the conditions (except for the default value of NA at the end) are mutually exclusive, as is the case in the question, then we can use an arithmetic expression such that each term is multiplied by the desired result using...
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Read a text file using Node.js?

I need to pass in a text file in the terminal and then read the data from it, how can I do this? 5 Answers ...
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A regular expression to exclude a word/string

... seems to have done the trick. I actually need this rule for url rewriting and I wanted to ignore the "images", "css" and "js" folder. So my rule is as follows: ^/(?!css|js|images)([a-z]+)/?(\?(.+))?$ and it rewrites to /Profile.aspx?id=$1&$3 Will this rule work correctly and propagate the que...