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Why generate long serialVersionUID instead of a simple 1L?
...when trying to deserialize an object.
If the ID is omitted, Java will actually calculate the ID for you based on fields of the object, but I believe it is an expensive process, so providing one manually will improve performance.
Here's are a couple of links to articles which discuss serialization ...
How do I do a bulk insert in mySQL using node.js
...rays wrapped in an array
[ [ [...], [...], [...] ] ]
There is also a totally different node-msql package for bulk insertion
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Is it possible to view RabbitMQ message contents directly from the command line?
...the specifics of management.
http://www.rabbitmq.com/management.html
Finally once set up you will need to follow the instructions below to install and use the rabbitmqadmin tool. Which can be used to fully interact with the system.
http://www.rabbitmq.com/management-cli.html
For example:
rabbi...
Finding the source code for built-in Python functions?
...out what file a particular module or function is implemented in you can usually print the __file__ attribute. Alternatively, you may use the inspect module, see the section Retrieving Source Code in the documentation of inspect.
For built-in classes and methods this is not so straightforward since ...
Remove specific characters from a string in Python
...the answers, and it's noted in the documentation for str.translate.
When calling the translate method of a Unicode string, you cannot pass the second parameter that we used above. You also can't pass None as the first parameter. Instead, you pass a translation table (usually a dictionary) as the on...
ASP.NET MVC 3 Razor - Adding class to EditorFor
...ating issue, and I didn't want to create an EditorTemplate that applied to all DateTime values (there were times in my UI where I wanted to display the time and not a jQuery UI drop-down calendar). In my research, the root issues I came across were:
The standard TextBoxFor helper allowed me to app...
How to secure MongoDB with username and password
...d({})
Long answer: Read this if you want to properly understand.
It's really simple. I'll dumb the following down https://docs.mongodb.com/manual/tutorial/enable-authentication/
If you want to learn more about what the roles actually do read more here: https://docs.mongodb.com/manual/reference/b...
Open another application from your own (intent)
...lication" in Android is slightly an extended one.
An application - technically a process - can have multiple activities, services, content providers and/or broadcast listeners. If at least one of them is running, the application is up and running (the process).
So, what you have to identify is how...
Why is Github asking for username/password when following the instructions on screen and pushing a n
...after reading stackoverflow.com/a/10126412/29347, I don't think github normally gives me a repo remote as HTTPS which caused some confusion.
– Kit Sunde
Jun 6 '12 at 6:41
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Unable to import a module that is definitely installed
After installing mechanize , I don't seem to be able to import it.
32 Answers
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