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How to check task status in Celery?
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@Chris The controversy with @gregor code is in the instantiation of async_result. In your use case you already has the instance, you are good to go. But what happen if you only have the task id, and need to instantiate an async_result instance to be...
Is Integer Immutable
...ted object, just as your Integer is. So the value of a did not mutate, but it was replaced with a completely new object, i.e. new Integer(6).
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“unmappable character for encoding” warning in Java
I'm currently working on a Java project that is emitting the following warning when I compile:
12 Answers
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Moving Files into a Real Folder in Xcode
When I started my project I was happy to use Groups in Xcode rather than literal folders: Since I'm using the browser in Xcode to access everything, stuff was nicely organized and I was happy.
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Could not open a connection to your authentication agent
...eval `ssh-agent -s`
ssh-add
Note that this will start the agent for msysgit Bash on Windows. If you're using a different shell or operating system, you might need to use a variant of the command, such as those listed in the other answers.
See the following answers:
ssh-add complains: Could not ...
Underscore prefix for property and method names in JavaScript
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Welcome to 2019!
It appears a proposal to extend class syntax to allow for # prefixed variable to be private was accepted. Chrome 74 ships with this support.
_ prefixed variable names are considered private by convention but are still public...
Should unit tests be written for getter and setters?
Are we supposed to write tests for our getters and setters or is it overkill?
13 Answers
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How do you share constants in NodeJS modules?
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You can explicitly export it to the global scope with global.FOO = 5. Then you simply need to require the file, and not even save your return value.
But really, you shouldn't do that. Keeping things properly encapsulated is a good thing....
Difference between ref and out parameters in .NET [duplicate]
...s the difference between ref and out parameters in .NET? What are the situations where one can be more useful than the other? What would be a code snippet where one can be used and another can't?
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How to move an iFrame in the DOM without losing its state?
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It isn't possible to move an iframe from one place in the dom to another without it reloading.
Here is an example to show that even using native JavaScript the iFrames still reload:
http://jsfiddle.net/pZ23B/
var wrap1 = d...