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How to invoke a Linux shell command from Java
I am trying to execute some Linux commands from Java using redirection (>&) and pipes (|). How can Java invoke csh or bash commands?
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Delete all documents from index/type without deleting type
I know one can delete all documents from a certain type via deleteByQuery.
15 Answers
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What is the JavaScript >>> operator and how do you use it?
I was looking at code from Mozilla that add a filter method to Array and it had a line of code that confused me.
7 Answers
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How to display gpg key details without importing it?
...pository gpg key and would like to view the details of the gpg key as it comes in the file. Is this possible without importing it into a key ring?
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Get checkbox value in jQuery
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To get the value of the Value attribute you can do something like this:
$("input[type='checkbox']").val();
Or if you have set a class or id for it, you can:
$('#check_id').val();
$('.check_class').val();
However this will return the same value whether it is checked or not...
How to handle Back button with in the dialog?
... KeyEvent event) {
// TODO Auto-generated method stub
if (keyCode == KeyEvent.KEYCODE_BACK) {
finish();
dialog.dismiss();
}
return true;
}
});
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How to import other Python files?
...just a wrapper around __import__, see the docs.
import importlib
moduleName = input('Enter module name:')
importlib.import_module(moduleName)
Note: the .py extension should be removed from moduleName. The function also defines a package argument for relative imports.
Update: Answer below is o...
Maven: Command to update repository after adding dependency to POM
... package) will always work.
You can use mvn compile to download compile time dependencies or mvn test for compile time and test dependencies but I prefer something that always works.
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improv...
`from … import` vs `import .` [duplicate]
I'm wondering if there's any difference between the code fragment
6 Answers
6
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How to think in data stores instead of databases?
...ctures, and now it's hard to see anything differently. I can understand some of the benefits of Google Datastore (e.g. performance and the ability to distribute data), but some good database functionality is sacrificed (e.g. joins).
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