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Convert Python dictionary to JSON array
...end = self.scan_once(s, idx)
UnicodeDecodeError: 'utf8' codec can't decode byte 0xff in position 0: invalid start byte
Ultimately you can't store raw bytes in a JSON document, so you'll want to use some means of unambiguously encoding a sequence of arbitrary bytes as an ASCII string - such as base...
How can I create directories recursively? [duplicate]
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Specifically: os.makedirs(os.path.join("/home/dail", "first", "second", "third"))
– mseery
May 14 '11 at 22:41
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When do you use the “this” keyword? [closed]
...declare extension methods
To pass parameters between constructors
To internally reassign value type (struct) value.
To invoke an extension method on the current instance
To cast itself to another type
To chain constructors defined in the same class
You can avoid the first usage by not having membe...
Understanding Spring @Autowired usage
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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What is the difference between Builder Design pattern and Factory Design pattern?
...en the two more clear.
Suppose, you went to a fast food restaurant and you ordered Food.
1) What Food?
Pizza
2) What toppings?
Capsicum, Tomato, BBQ chicken, NO PINEAPPLE
So different kinds of foods are made by Factory pattern but the different variants(flavors) of a particular food are made by Buil...
Java Serializable Object to Byte Array
...Object);
out.flush();
byte[] yourBytes = bos.toByteArray();
...
} finally {
try {
bos.close();
} catch (IOException ex) {
// ignore close exception
}
}
Create an object from a byte array:
ByteArrayInputStream bis = new ByteArrayInputStream(yourBytes);
ObjectInput in = null;
tr...
To prevent a memory leak, the JDBC Driver has been forcibly unregistered
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Is there a reason for the order of those operations in the method contextDestroyed? Why do you do step 1. before doing step 2., where initContext, envContext and datasource are not referenced at all? I'm asking because I don't understand step 3.
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warning this call is not awaited, execution of the current method continues
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If you really don't need the result, you can simply change the GetNameAsync's signature to return void:
public static async void GetNameAsync()
{
...
}
Consider to see answer to a related question:
What's the difference between...
Is Task.Result the same as .GetAwaiter.GetResult()?
...a lot in Xamarin, I end up having to use things like ContinueWith a lot in order to make it not deadlock the UI. Edit: I know this is old, but that doesn't alleviate my frustration finding answers that state this with no alternatives for situations where you can't just use await.
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Hibernate show real SQL [duplicate]
... myself and see what's going on. Having to pluck through and insert params by hand is just clumsy. Shame there isn't a more streamlined way to have these printed.
– Amalgovinus
Oct 5 '15 at 19:49
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