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removeEventListener on anonymous functions in JavaScript
...refore this === e.currentTarget. read developer.mozilla.org/en-US/docs/Web/API/EventTarget/…
– chharvey
Jun 5 '18 at 21:11
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show 1 more c...
How do I format a long integer as a string without separator in Java?
... It's not undocumented. See download.oracle.com/javase/6/docs/api/java/lang/….
– Rob H
Aug 28 '10 at 0:53
3
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What is the purpose of the reader monad?
...
Don't be scared! The reader monad is actually not so complicated, and has real easy-to-use utility.
There are two ways of approaching a monad: we can ask
What does the monad do? What operations is it equipped with? What is it good for?
How is the monad implemen...
What is uint_fast32_t and why should it be used instead of the regular int and uint32_t?
...
int may be as small as 16 bits on some platforms. It may not be sufficient for your application.
uint32_t is not guaranteed to exist. It's an optional typedef that the implementation must provide iff it has an unsigned integer type of exactl...
How do I update an entity using spring-data-jpa?
... object your found. These changes will be flushed to the database automatically at the end of transaction, so that you don't need to do anything to save these changes explicitly.
EDIT:
Perhaps I should elaborate on overall semantics of JPA. There are two main approaches to design of persistence AP...
What is the advantage of GCC's __builtin_expect in if else statements?
...
I guess it should be something like:
cmp $x, 0
jne _foo
_bar:
call bar
...
jmp after_if
_foo:
call foo
...
after_if:
You can see that the instructions are arranged in such an order that the bar case precedes the foo case (as opposed to the C code). This can utilise the CPU ...
What is the difference between .*? and .* regular expressions?
...nsider the input 101000000000100.
Using 1.*1, * is greedy - it will match all the way to the end, and then backtrack until it can match 1, leaving you with 1010000000001.
.*? is non-greedy. * will match nothing, but then will try to match extra characters until it matches 1, eventually matching 101...
vs2008编译boost详细步骤 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...t --without-python --build-type=complete link=shared threading=multi install
(2)只编译 release 版本 regex 动态库，包括头文件和库文件
bjam --toolset=msvc-9.0 --prefix=D:\05_Computer\04_3rdPatry\02Boost\boost_1_44_0\output1 --with-regex link=shared threading=multi variant=rel...
Running unittest with typical test directory structure
...on -m unittest test.test_antigravity.GravityTestCase.test_method
Running all tests:
You can also use test discovery which will discover and run all the tests for you, they must be modules or packages named test*.py (can be changed with the -p, --pattern flag):
$ cd new_project
$ python -m unitte...
How to check a string for specific characters?
...r other characters.
... or
pattern = re.compile(r'\d\$,')
if pattern.findall(s):
print('Found')
else
print('Not found')
... or
chars = set('0123456789$,')
if any((c in chars) for c in s):
print('Found')
else:
print('Not Found')
[Edit: added the '$' in s answers]
...