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Should I always use a parallel stream when possible?
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The Stream API was designed to make it easy to write computations in a way that was abstracted away from how they would be executed, making switching between sequential and parallel easy.
However, just because its easy, doesn't mean its...
Foreign keys in mongo?
...1',
mark: 85,
id:bio101
},
]
}
If its a RESTful API data, replace the course id with a GET link to the course resource
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Is the != check thread safe?
...d a full memory barrier (synchronized). You can also use some hgiher level API (e.g. AtomicInteger as mentioned by Juned Ahasan).
For details about thread safety, read JSR 133 (Java Memory Model).
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Does Java 8 provide a good way to repeat a value or function?
...nting to build 78, latest is build 105: download.java.net/lambda/b105/docs/api/java/util/stream/… )
– Mark Rotteveel
Aug 30 '13 at 12:22
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What is the purpose of AsQueryable()?
...er that targets your data strucutres (linq to your data), so users of your api will have a possibility to run linq query against your data structures, you have to choose IQueryable
– Tigran
Jun 28 '13 at 17:22
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Read text file into string array (and write)
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As of Go1.1 release, there is a bufio.Scanner API that can easily read lines from a file. Consider the following example from above, rewritten with Scanner:
package main
import (
"bufio"
"fmt"
"log"
"os"
)
// readLines reads a whole file into memory
/...
What is the meaning of single and double underscore before an object name?
... name means you shouldn't access this method, because it's not part of the API.
class BaseForm(StrAndUnicode):
def _get_errors(self):
"Returns an ErrorDict for the data provided for the form"
if self._errors is None:
self.full_clean()
return self._errors
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How to print color in console using System.out.println?
...);
Update: You might want to check out the Jansi library. It provides an API and has support for Windows using JNI. I haven't tried it yet; however, it looks promising.
Update 2: Also, if you wish to change the background color of the text to a different color, you could try the following as well...
How to call an external command?
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However, while this is convenient, you have to manually handle the escaping of shell characters such as spaces, etc. On the other hand, this also lets you run commands which are simply shell commands and not actually external programs. See the documentation.
stream = os.popen("some_command ...
How does password salt help against a rainbow table attack?
...ntext password in an email message doesn't have access to the undocumented API for the next OS.
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