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Setting default permissions for newly created files and sub-directories under a directory in Linux?

I have a bunch of long-running scripts and applications that are storing output results in a directory shared amongst a few users. I would like a way to make sure that every file and directory created under this shared directory automatically had u=rwxg=rwxo=r permissions. ...
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What is the difference between a.getClass() and A.class in Java?

...oth in different circumstances (just like there are with Class.forName() and ClassLoader.loadClass() . 7 Answers ...
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What's a monitor in Java?

...ject) { // do something else (2) } } This prevents Threads 1 and 2 accessing the monitored (synchronized) section at the same time. One will start, and monitor will prevent the other from accessing the region before the first one finishes. It's not a special object. It's synchronizati...
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Scala: What is a TypeTag and how do I use it?

...hat they somehow replaced Manifests. Information on the Internet is scarce and doesn't provide me with a good sense of the subject. ...
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Ruby ampersand colon shortcut [duplicate]

... Your question is wrong, so to speak. What's happening here isn't "ampersand and colon", it's "ampersand and object". The colon in this case is for the symbol. So, there's & and there's :foo. The & calls to_proc on the object, and passes it as a block to the method. In Rails, to_proc is im...
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How do I get the row count of a pandas DataFrame?

I'm trying to get the number of rows of dataframe df with Pandas, and here is my code. 14 Answers ...
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Why must a nonlinear activation function be used in a backpropagation neural network? [closed]

I've been reading some things on neural networks and I understand the general principle of a single layer neural network. I understand the need for aditional layers, but why are nonlinear activation functions used? ...
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Can I find out the return value before returning while debugging in Intellij?

...oint on Object method(){ . This will allow you to watch for the entrance and exit of the method. I believe you have to use this in conjunction with "Watch method return values" like stated above, but I haven't been able to completely test this as it takes too long to compute. Beware, this does dr...
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top -c command in linux to filter processes listed based on processname

...any easy way to filter the processes based on processname listed under COMMAND column of the top output. 9 Answers ...
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filters on ng-model in an input

I have a text input and I don't want to allow users to use spaces, and everything typed will be turned into lowercase. 8 An...