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Docker - how can I copy a file from an image to a host?
My question is related to this question on copying files from containers to hosts; I have a Dockerfile that fetches dependencies, compiles a build artifact from source, and runs an executable. I also want to copy the build artifact (in my case it's a .zip produced by sbt dist in '../target/`, ...
How do I get the information from a meta tag with JavaScript?
...
for just one meta attribute, why to loop over multiple times ? it may have hundreds of meta tags or it may need to get the meta value multiple times.
– S K R
May 11 at 15:21
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How to parse the AndroidManifest.xml file inside an .apk package
...gTable
// 4th word is: Number of strings in string table
// WARNING: Sometime I indiscriminently display or refer to word in
// little endian storage format, or in integer format (ie MSB first).
int numbStrings = LEW(xml, 4*4);
// StringIndexTable starts at offset 24x, an array of 32 bit LE of...
Django using get_user_model vs settings.AUTH_USER_MODEL
...t to retrieve the model class at the moment your app is imported the first time.
get_user_model cannot guarantee that the User model is already loaded into the app cache. It might work in your specific setup, but it is a hit-and-miss scenario. If you change some settings (e.g. the order of INSTALL...
How to avoid .pyc files?
...unzip -l /tmp/example.zip
Archive: /tmp/example.zip
Length Date Time Name
-------- ---- ---- ----
8467 11-26-02 22:30 jwzthreading.py
-------- -------
8467 1 file
$ ./python
Python 2.3 (#1, Aug 1 2003, 19:54:32)
>>> i...
How do I edit an existing tag message in git?
...re right. Thanks for pointing that. After re-write the tag annotated a few times, I was check my tag with git show <tag> and I see all the previous editions.
– Manoel Vilela
Jul 29 '17 at 18:11
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What is the difference between a string and a byte string?
...plicitly abstracted away. Indeed, these days, it can change during the lifetime of a program and be different between different strings or might even be more than one (some encodings are cached), depending on the characters in them - but the only time you need to worry about that is if you're hackin...
Split a module across several files
...Edit (2019-08-25): the following part of the answer was written quite some time ago. It explains how to setup such a module structure with rustc alone. Today, one would usually use Cargo for most use cases. While the following is still valid, some parts of it (e.g. #![crate_type = ...]) might seem s...
What's the key difference between HTML 4 and HTML 5?
...ing, so that browser developers can all standardize and greatly reduce the time and money required to display things consistently. As well, long in the future after HTML has died as a document format, historians may still want to read our documents, and having a completely defined parsing algorithm...
Displaying better error message than “No JSON object could be decoded”
...ry has been updated and gives the new error message format. I don’t have time to track exact releases right now however.
– Martijn Pieters♦
Mar 14 at 0:29
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