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What is the exact meaning of IFS=$'\n'?
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Normally bash doesn't interpret escape sequences in string literals. So if you write \n or "\n" or '\n', that's not a linebreak - it's the letter n (in the first case) or a backslash followed by the letter n (in the other two cas...
The forked VM terminated without saying properly goodbye. VM crash or System.exit called
... edited Aug 27 '18 at 7:30
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answered Aug 27 '18 at 6:41
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Click through div to underlying elements
...'scale');
background: none !important;
Here is a basic example page with all the code.
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Does Java have a complete enum for HTTP response codes?
...pe in some standard Java class library that defines symbolic constants for all of the valid HTTP response codes. It should support conversion to/from the corresponding integer values.
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Running multiple commands with xargs
...gs -d $'\n' sh -c 'for arg do command1 "$arg"; command2 "$arg"; ...; done' _
...or, without a Useless Use Of cat:
<a.txt xargs -d $'\n' sh -c 'for arg do command1 "$arg"; command2 "$arg"; ...; done' _
To explain some of the finer points:
The use of "$arg" instead of % (and the absence of...
Run an app on a multiple devices automatically in Android Studio
... device. Is there any way to deploy the app on a multiple devices automatically - by clicking Run or even better with a shortcut?
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Do Java arrays have a maximum size?
...ry easy to test.
In a recent HotSpot VM, the correct answer is Integer.MAX_VALUE - 5. Once you go beyond that:
public class Foo {
public static void main(String[] args) {
Object[] array = new Object[Integer.MAX_VALUE - 4];
}
}
You get:
Exception in thread "main" java.lang.OutOfMemoryEr...
PostgreSQL Autoincrement
...other integer data type, such as smallint.
Example :
CREATE SEQUENCE user_id_seq;
CREATE TABLE user (
user_id smallint NOT NULL DEFAULT nextval('user_id_seq')
);
ALTER SEQUENCE user_id_seq OWNED BY user.user_id;
Better to use your own data type, rather than user serial data type.
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How do you represent a JSON array of strings?
This is all you need for valid JSON, right?
4 Answers
4
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How to remove a directory from git repository?
...Remove duplicated directory"
git push origin <your-git-branch> (typically 'master', but not always)
Remove directory from git but NOT local
As mentioned in the comments, what you usually want to do is remove this directory from git but not delete it entirely from the filesystem (local)
In ...