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How to use XPath in Python?
What are the libraries that support XPath? Is there a full implementation? How is the library used? Where is its website?
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Why should I care that Java doesn't have reified generics?
This came up as a question I asked in an interview recently as something the candidate wished to see added to the Java language. It's commonly-identified as a pain that Java doesn't have reified generics but, when pushed, the candidate couldn't actually tell me the sort of things that he could hav...
How to write a simple database engine [closed]
... know most of the basic data structures taught in CS (trees, hash tables, lists, etc.) as well as a pretty good understanding of compiler theory (and have implemented a very simple interpreter) but I don't understand how to go about writing a database engine. I have searched for tutorials on the su...
SQlite Getting nearest locations (with latitude and longitude)
... you need to evaluate in your java code. Use the following procedure for this purpose:
To have a deterministic threshold and more accurate filter on data, It is better to calculate 4 locations that are in radius meter of the north, west, east and south of your central point in your java code and th...
Maven is not working in Java 8 when Javadoc tags are incomplete
...cal repository projects that have incomplete Javadoc tags (for example, a missing parameter).
17 Answers
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Passing ssh options to git clone
... User user
SshOption1 Value1
SshOption2 Value2
The Host entry is what you’ll specify on the command line, and the HostName is the true hostname. They can be the same, or the Host entry can be an alias. The User entry is used if you do not specify user@ on the command line.
If you mus...
How to get the IP address of the docker host from inside a docker container
...in/ip route|awk '/default/ { print $3 }'
As @MichaelNeale noticed, there is no sense to use this method in Dockerfile (except when we need this IP during build time only), because this IP will be hardcoded during build time.
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Is it possible to make a div 50px less than 100% in CSS3? [duplicate]
Is it possible to make a div 50px less than 100% in pure CSS? I want the <div> to be only 50px less than 100%. I don't want any JavaScript.
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How do I make a list of data frames?
How do I make a list of data frames and how do I access each of those data frames from the list?
8 Answers
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Replace non-ASCII characters with a single space
...eed to replace all non-ASCII (\x00-\x7F) characters with a space. I'm surprised that this is not dead-easy in Python, unless I'm missing something. The following function simply removes all non-ASCII characters:
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