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Java SecurityException: signer information does not match
...as usual, and suddenly got the following error message. Why? How can I fix it?
18 Answers
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Docker: adding a file from a parent directory
...s works fine on a local box, but Docker Hub fails to build the image since it tries to do it from its same directory (tbh, just what one would normally expect). Is there any way to do the same trick in Docker Hub?
– Marcel Hernandez
Mar 25 '16 at 20:31
...
How to override to_json in Rails?
This issue was not properly explored. The real issue lies within render :json .
4 Answers
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Enable remote MySQL connection: ERROR 1045 (28000): Access denied for user
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GRANT ALL PRIVILEGES ON *.* TO 'USERNAME'@'IP' IDENTIFIED BY 'PASSWORD' with grant option;
;
where IP is the IP you want to allow access, USERNAME is the user you use to connect, and PASSWORD is the relevant password.
If you want to allow access from any IP just put % instead of your IP
and t...
How to use WeakReference in Java and Android development?
...o be garbage collected when memory usage gets too high (often implemented with WeakHashMap).
Be sure to check out SoftReference and PhantomReference as well.
EDIT: Tom has raised some concerns over implementing a cache with WeakHashMap. Here is an article laying out the problems: WeakHashMap is n...
Given an array of numbers, return array of products of all other numbers (no division)
...s question in a job interview, and I'd like to know how others would solve it. I'm most comfortable with Java, but solutions in other languages are welcome.
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How to list all tags along with the full message in git?
I want git to list all tags along with the full annotation or commit message. Something like this is close:
8 Answers
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Check if two unordered lists are equal [duplicate]
...omparison will be unordered.
set(x) == set(y)
Documentation on set
EDIT: @mdwhatcott points out that you want to check for duplicates. set ignores these, so you need a similar data structure that also keeps track of the number of items in each list. This is called a multiset; the best approxim...
Disable time in bootstrap date time picker
...HTML5 and JavaScript. I am currently using one from here:
http://tarruda.github.io/bootstrap-datetimepicker/
19 Answers
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Why does ReSharper tell me “implicitly captured closure”?
...s) => this.label1.Text = (g.Next() + i).ToString();
}
I get an "Implicitly captured closure: g" warning at the first lambda. It is telling me that g cannot be garbage collected as long as the first lambda is in use.
The compiler generates a class for both lambda expressions and puts all variab...