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super() raises “TypeError: must be type, not classobj” for new-style class
...e distinct. Here, OldStyle().__class__ is OldStyle, which does not inherit from object, while type(OldStyle()) is the instance type, which does inherit from object. Basically, an old-style class just creates objects of type instance (whereas a new-style class creates objects whose type is the class...
How to restart Activity in Android
...cause of "aesthetic" reason is, well, not great. I would discourage anyone from doing it here at Stackoverflow...
– ChuongPham
Aug 8 '13 at 14:27
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How to load external webpage inside WebView
...anks to this post, I finally found the solution. Here is the code:
import android.app.Activity;
import android.os.Bundle;
import android.webkit.WebResourceError;
import android.webkit.WebResourceRequest;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.Toast...
Validating with an XML schema in Python
...xslt-devel
The simplest validator
Let's create simplest validator.py
from lxml import etree
def validate(xml_path: str, xsd_path: str) -> bool:
xmlschema_doc = etree.parse(xsd_path)
xmlschema = etree.XMLSchema(xmlschema_doc)
xml_doc = etree.parse(xml_path)
result = xmlsch...
How line ending conversions work with git core.autocrlf between different operating systems
...ne of CRLF_BINARY,
CRLF_AUTO_INPUT or CRLF_AUTO_CRLF is selected
- CRLF_BINARY : No processing of line endings.
- CRLF_TEXT : attribute "text" is set, line endings are processed.
- CRLF_TEXT_INPUT: attribute "input" or "eol=lf" is set. This implies text.
- CRLF_TEXT_CRLF :...
Can git undo a checkout of unstaged files
...t enter by accident after getting to folder and lost all my work. / is 1cm from enter on my keyboard and I switch between machines with different keyboard layouts often so there's often 10-15 minutes of my fingers getting used to new positions. Hard to believe in 2018 that git trashs files even thou...
C# vs C - Big performance difference
...rdingly, it must call a CRT function that implements sqrt() and checks the selected floating point options to adjust the result. That's slow.
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Creating hard and soft links using PowerShell
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You can call the mklink provided by cmd, from PowerShell to make symbolic links:
cmd /c mklink c:\path\to\symlink c:\target\file
You must pass /d to mklink if the target is a directory.
cmd /c mklink /d c:\path\to\symlink c:\target\directory
For hard links, I ...
How to make a copy of a file in android?
...I want to save a copy of a certain file with a different name (which I get from user)
10 Answers
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Group vs role (Any real difference?)
...Google is your friend :)
Anyways, the divide between role and group comes from concepts of computer security (as opposed to simply resource management). Prof. Ravi Sandhu provides a seminal coverage of the semantic difference between roles and groups.
http://profsandhu.com/workshop/role-group.pdf
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