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When should I use @classmethod and when def method(self)?
While integrating a Django app I have not used before, I found two different ways used to define functions in classes. The author seems to use them both very intentionally. The first one is one I myself use a lot:
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How do I copy an object in Java?
...can use Java Object Serialization to make a deep copy. Unfortunately, this approach has some problems too(detailed examples).
Possible Problems:
clone is tricky to implement correctly.
It's better to use Defensive copying, copy constructors(as @egaga reply) or static factory methods.
If you hav...
Add swipe to delete UITableViewCell
I am making a CheckList application with a UITableView . I was wondering how to add a swipe to delete a UITableViewCell .
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How do I auto-reload a Chrome extension I'm developing?
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when you call chrome.runtime.reload(), what actually happens? do multiple pages/tabs refresh?
– Alexander Mills
Jan 1 '18 at 23:22
5
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How to determine programmatically whether a particular process is 32-bit or 64-bit
How can my C# application check whether a particular application/process (note: not the current process) is running in 32-bit or 64-bit mode?
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Get data from fs.readFile
...ontent has not yet been set. Welcome to asynchronous programming.
Example approaches
const fs = require('fs');
// First I want to read the file
fs.readFile('./Index.html', function read(err, data) {
if (err) {
throw err;
}
const content = data;
// Invoke the next step her...
What is ApplicationException for in .NET?
...
According to the remarks in msdn:
User applications, not the common language runtime, throw custom exceptions derived from the ApplicationException class. The ApplicationException class differentiates between exceptions defined by applications versus exceptions de...
Importing from a relative path in Python
... list of paths python looks at to import things):
import sys, os
sys.path.append(os.path.join(os.path.dirname(__file__), '..', 'Common'))
import Common
os.path.dirname(__file__) just gives you the directory that your current python file is in, and then we navigate to 'Common/' the directory and i...
Fragments onResume from back stack
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This doesn't appear to work with app compat fragments.
– Lo-Tan
May 22 '15 at 5:05
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Trying to mock datetime.date.today(), but not working
...ur today() will datetime.date.today be a different function, which doesn't appear to be what you want.
What you really want seems to be more like this:
@mock.patch('datetime.date.today')
def test():
datetime.date.today.return_value = date(2010, 1, 1)
print datetime.date.today()
Unfortuna...