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Copying files from host to Docker container
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The cp command can be used to copy files.
One specific file can be copied TO the container like:
docker cp foo.txt mycontainer:/foo.txt
One specific file can be copied FROM the container like:
docker cp mycontainer:/foo.txt foo.txt
For emphasis, mycontainer is a contai...
What's the best manner of implementing a social activity stream? [closed]
...ata field, because you don't want to do any joins on other database tables if you want speed. And in order to display, say 200, different events from 50 different users, you need speed.
Then I have classes that extends a basic FeedActivity class for rendering the different types of activity entries...
Regular expression for matching latitude/longitude coordinates?
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Whitespace is \s, not \w
^(-?\d+(\.\d+)?),\s*(-?\d+(\.\d+)?)$
See if this works
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What does “S3 methods” mean in R?
...t there are S3 and S4 object systems, and some recommend to use S3 over S4 if possible (See Google's R Style Guide at http://google-styleguide.googlecode.com/svn/trunk/google-r-style.html )*. However, I do not know the exact definition of S3 methods/objects.
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What is a daemon thread in Java?
...M exits. B_erb said, "...when the program finishes." What that means is, if the program does not explicitly kill the JVM, then the JVM will automatically kill itself when the last non-daemon thread ends. Normal threads define "when the program exits." Daemon threads don't.
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How to test an SQL Update statement before running it?
...ffected by running a select using the same WHERE clause as the UPDATE.
So if you UPDATE is
UPDATE foo
SET bar = 42
WHERE col1 = 1
AND col2 = 'foobar';
The following will show you which rows will be updated:
SELECT *
FROM foo
WHERE col1 = 1
AND col2 = 'foobar';
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C++: const reference, before vs after type-specifier
What is the difference between the arguments in:
7 Answers
7
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Spring MVC: How to return image in @ResponseBody?
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if you are using Spring version of 3.1 or newer you can specify "produces" in @RequestMapping annotation. Example below works for me out of box. No need of register converter or anything else if you have web mvc enabled (@Ena...
How to specify mapping rule when names of properties differ
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Is there a way to specify it globally for any class, something like prefix/suffix thing? For example, I have a bunch of classes fro a library that have "Localizations" property each. And I want to map them to classes where corresponding property i...
How to wrap text using CSS? [duplicate]
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If you type "AAAAAAAAAAAAAAAAAAAAAARRRRRRRRRRRRRRRRRRRRRRGGGGGGGGGGGGGGGGGGGGG"
this will produce:
AARRRRRRRRRRRRRRRRRRRR
RRGGGGGGGGGGGGGGGGGGGG
G
I have taken my example from a couple different websites on google. I hav...