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How to change the docker image installation directory?
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With recent versions of Docker, you would set the value of the data-root parameter to your custom path, in /etc/docker/daemon.json
(according to https://docs.docker.com/engine/reference/commandline/dockerd/#daemon-configuration-file).
With older versions, you can ch...
Iterating through a list in reverse order in java
I'm migrating a piece of code to make use of generics. One argument for doing so is that the for loop is much cleaner than keeping track of indexes, or using an explicit iterator.
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Pick any kind of file via an Intent in Android
...n my case..
Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
intent.setType("file/*");
startActivityForResult(intent, PICKFILE_REQUEST_CODE);
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Parsing a string into a boolean value in PHP
..."on" and "yes". Returns FALSE otherwise.
If FILTER_NULL_ON_FAILURE is set, FALSE is returned only for "0", "false", "off", "no", and "", and NULL is returned for all non-boolean values.
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Building a notification system [closed]
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This may be a dumb question but with this set up what do you do once the user has seen or acted on the notification? Do you just remove it from the database or just use dates to see if the user has logged in since the notification was created?
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How can I pad an integer with zeros on the left?
How do you left pad an int with zeros when converting to a String in java?
16 Answers
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Cosine Similarity between 2 Number Lists
I need to calculate the cosine similarity between two lists , let's say for example list 1 which is dataSetI and list 2 which is dataSetII . I cannot use anything such as numpy or a statistics module. I must use common modules (math, etc) (and the least modules as possible, at that, to reduc...
Which annotation should I use: @IdClass or @EmbeddedId
...s to be read-only(@PrimaryKeyJoinColumn) because you can't have one column set in two variables (possible conflicts).
So you have to set your FK using simple type in @Embeddedable.
On the other site using @IdClass this situation can be handled much easier as shown in Primary Keys through OneToOne a...
os.walk without digging into directories below
How do I limit os.walk to only return files in the directory I provide it?
20 Answers
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Difference between null and empty (“”) Java String
What is the difference between null and the "" (empty string)?
22 Answers
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