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Can I export a variable to the environment from a bash script without sourcing it?
Suppose that I have this script
7 Answers
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Convert a Git folder to a submodule retrospectively?
Quite often it is the case that you're writing a project of some kind, and after a while it becomes clear that some component of the project is actually useful as a standalone component (a library, perhaps). If you've had that idea from early on, then there's a fair chance that most of that code is ...
How to set timeout for http.Get() requests in Golang?
I'm making a URL fetcher in Go and have a list of URLs to fetch. I send http.Get() requests to each URL and obtain their response.
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Spring Boot - Cannot determine embedded database driver class for database type NONE
This is the error that is thrown when trying to run my web app:
33 Answers
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Compare two DataFrames and output their differences side-by-side
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The first part is similar to Constantine, you can get the boolean of which rows are empty*:
In [21]: ne = (df1 != df2).any(1)
In [22]: ne
Out[22]:
0 False
1 True
2 True
dtype: bool
Then we can see which entries have changed:
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Environment variables for java installation
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PATH : your-unique-entries;%JAVA_HOME%\bin (make sure that the longish your-unique-entries does not contain any other references to another Java installation folder.
Note for Windows users on 64-bit systems:
Progra~1 = 'Program Files'
Progra~2 = 'Program Files(x86)'
Notice that thes...
How do I wait for an asynchronously dispatched block to finish?
...m testing some code that does asynchronous processing using Grand Central Dispatch. The testing code looks like this:
13 An...
Java: What is the difference between and ?
...ble to understand the following text... Does it mean that <clinit> is for empty constructors? Why is important to have two different versions?
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What are the ways to make an html link open a folder
...open a folder by clicking a link inside a web page. The path of the folder is on the network and can be accessed from everywhere. I'm probably sure there is no easy way to do this, but maybe I'm mistaken?
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Can I read the hash portion of the URL on my server-side application (PHP, Ruby, Python, etc.)?
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The main problem is that the browser won't even send a request with a fragment part. The fragment part is resolved right there in the browser. So it's reachable through JavaScript.
Anyway, you could parse a URL into bits, including the fragm...