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What does “xmlns” in XML mean?
...ting <http://schemas.android.com/apk/res/android:foo /> with regards to what it "means" when an XML parser reads the document.
NOTE: You cannot actually use the full namespace URI in place of the namespace prefix in an XML instance document.
Check out this tutorial on namespaces: http://www...
What does Redis do when it runs out of memory?
...dle running out of maximum allocated memory? How does it decide which data to remove or which data to keep in memory?
7 Ans...
Why C# fails to compare two object types with each other but VB doesn't?
...in C# and don't know if it's Boolean or any other type.
However when I try to compare those C# fails to give the right answer.
I have tried the same code with VB.NET and that did it !
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Use rvmrc or ruby-version file to set a project gemset with RVM?
I use RVM, the Ruby Version Manager to specify a Ruby version and a set of gems for each of my Rails projects.
5 Answers
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Why compile Python code?
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It's compiled to bytecode which can be used much, much, much faster.
The reason some files aren't compiled is that the main script, which you invoke with python main.py is recompiled every time you run the script. All imported scripts wil...
Download a single folder or directory from a GitHub repo
How can I download only a specific folder or directory from a remote Git repo hosted on GitHub?
36 Answers
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The specified named connection is either not found in the configuration, not intended to be used wit
I have a one entity framework object and when I add it to my project, the connectionstring
is added to app.config in the connectionstring section, but when I want to create new entitycontext and use this connectionstring , this error appears
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How to search and replace text in a file?
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fileinput already supports inplace editing. It redirects stdout to the file in this case:
#!/usr/bin/env python3
import fileinput
with fileinput.FileInput(filename, inplace=True, backup='.bak') as file:
for line in file:
print(line.replace(text_to_search, replacement_text), ...
What is the difference between Serializable and Externalizable in Java?
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To add to the other answers, by implementating java.io.Serializable, you get "automatic" serialization capability for objects of your class. No need to implement any other logic, it'll just work. The Java runtime will use ref...
How to set a default value for a datetime column to record creation time in a migration?
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@courtsimas you need to do post.reload to get those values. It's explained here: stackoverflow.com/questions/53804787/…
– Sandip Subedi
Aug 5 '19 at 18:32
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