大约有 15,610 项符合查询结果（耗时：0.0517秒） [XML]
Why do some claim that Java's implementation of generics is bad?
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Sorry, why is the last line a compile error? I'm messing around with it in Eclipse & can't get it to fail there - if I add enough stuff for the rest of it to compile.
– oconnor0
Feb 4 '10 at 21:44
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Should I URL-encode POST data?
...I still like to add some codes here to explain Doug's points. (And correct errors in the code above)
Solution 1: URL-encode the POST data with a content-type header :application/x-www-form-urlencoded .
Note: you do not need to urlencode $_POST[] fields one by one, http_build_query() function can ...
How do I make JavaScript beep?
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I get TypeError: sound.Play is not a function (in Firefox).
– ashleedawg
Feb 18 '19 at 12:51
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Why am I getting an Exception with the message “Invalid setup on a non-virtual (overridable in VB) m
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Note that this error may actually occur with extension methods on interfaces, which may be confusing.
– Dan Pantry
Jul 18 '17 at 11:24
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SecurityError: Blocked a frame with origin from accessing a cross-origin frame
...t using Javascript, but when I try to execute my code, I get the following error:
8 Answers
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What is a race condition?
... What does the other thread do when it encounters the lock? Does it wait? Error?
– Brian Ortiz
Oct 19 '09 at 1:58
182
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Using member variable in lambda capture list inside a member function
...had the standard handy, but currently I don't.
Now, it's exactly like the error message says: You can't capture stuff outside of the enclosing scope of the lambda.† grid is not in the enclosing scope, but this is (every access to grid actually happens as this->grid in member functions). For yo...
Define preprocessor macro through CMake?
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In cmake 3.10.2, add_compile_definitions throws CMake Error at CMakeLists.txt:6 (add_compile_definitions): Unknown CMake command "add_compile_definitions".. Had to use add_compile_options(-D <your-def>) instead.
– code_dredd
Jul 22 '1...
Sorting 1 million 8-decimal-digit numbers with 1 MB of RAM
...for line in sorter.stdout]
print('OK!' if result == sorted(sequence) else 'Error!')
A detailed explanation of the algorithm can be found in the following series of posts:
1MB Sorting Explained
Arithmetic Coding and the 1MB Sorting Problem
Arithmetic Encoding Using Fixed-Point Math
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jQuery deferreds and promises - .then() vs .done()
...rns a new promise, see here for more information on pipe().
success() and error() are only available on the jqXHR object returned by a call to ajax(). They are simple aliases for done() and fail() respectively:
jqXHR.done === jqXHR.success
jqXHR.fail === jqXHR.error
Also, done() is not limited t...