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What is the status of JSR 305?
I have seen the question JSR305 vs. JSR308 (Java Type Anotations) - Which is going to be the standard? and I understand the difference between JSR 308 and JSR 305 .
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What does Maven Update Project do in Eclipse?
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GimbyGimby
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Why is DarkGray lighter than Gray?
...r to "Silver". However, the W3C defined Gray (more appropriately?) as RGB 50%.
Here's some more Wikipedia on the subject:
Perhaps most unusual of the color clashes between X11 and W3C is the
case of "Gray" and its variants. In HTML, "Gray" is specifically
reserved for the 128 triplet (50% g...
cmake and libpthread
...You can add the compiler option as well, like this:
If you have CMake 3.1.0+, this becomes even easier:
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads REQUIRED)
target_link_libraries(my_app PRIVATE Threads::Threads)
If you are using CMake 2.8.12+, you can simplify this to:
find_packag...
How to trim a file extension from a String in JavaScript?
...e could be any file name (Let's assume the file name only contains [a-zA-Z0-9-_] to simplify.).
23 Answers
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PatternSyntaxException: Illegal Repetition when using regex in Java
...message: "Illegal repetition".
You should escape them: "\\{\"user_id\" : [0-9]*\\}".
And since you seem to be trying to parse JSON, I suggest you have a look at Jackson.
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In Python, how do I read the exif data for an image?
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answered Jan 22 '11 at 0:21
paynepayne
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How to make Scroll From Source feature always enabled?
... chalimartineschalimartines
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What does get-task-allow do in Xcode?
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edited Jun 22 '09 at 13:00
answered Jun 22 '09 at 10:34
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mongodb group values by multiple fields
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TLDR Summary
In modern MongoDB releases you can brute force this with $slice just off the basi...