大约有 47,000 项符合查询结果（耗时：0.0733秒） [XML]
FileSystemWatcher Changed event is raised twice
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I am afraid that this is a well-known bug/feature of the FileSystemWatcher class. This is from the documentation of the class:
You may notice in certain situations that a single creation event generates multiple Created events that are handled by your co...
Semantic Issue: Property's synthesized getter follows Cocoa naming convention for returning 'owned'
... to synthesize it in the .m file (I have done this before with no issues). Now, I came across this: "Semantic Issue: Property's synthesized getter follows Cocoa naming convention for returning 'owned' objects."
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Jdbctemplate query for string: EmptyResultDataAccessException: Incorrect result size: expected 1, ac
... than one row that will result in IncorrectResultSizeDataAccessException . Now the correct way is not to catch this exception or EmptyResultDataAccessException, but make sure the query you are using should return only one row. If at all it is not possible then use query method instead.
List<Str...
Placeholder Mixin SCSS/CSS
...event you from using it at the root level. sassmeister.com/gist/9469073. Now if you're using LibSass, that's a different story.
– cimmanon
Mar 10 '14 at 16:58
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Get list of passed arguments in Windows batch script (.bat)
...will be skipped, and also the remainng files.)
– JinSnow
May 2 '17 at 20:36
1
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Static Initialization Blocks
...ould be executed once per constructed instance rather than once in total.
Now in this particular case, you could use a static method instead:
public class Foo {
private static final int widgets = getWidgets();
static int getWidgets() {
int first = Widgets.getFirstCount();
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Node.js Unit Testing [closed]
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If I was starting a new project now I'd probably use Mocha as the test framework
– evilcelery
Nov 6 '12 at 16:30
1
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What is stack unwinding?
...e compiler inserting calls to destructors of automatic (stack) variables.
Now this is a very powerful concept leading to the technique called RAII, that is Resource Acquisition Is Initialization, that helps us manage resources like memory, database connections, open file descriptors, etc. in C++.
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SHA512 vs. Blowfish and Bcrypt [closed]
...ccur through an implementation flaw, not cryptanalysis.
If you insist on knowing which is "better", SHA-512 has had in-depth reviews by NIST and others. It's good, but flaws have been recognized that, while not exploitable now, have led to the the SHA-3 competition for new hash algorithms. Also, ke...
What is stdClass in PHP?
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I hope you know that object isn't the derived class of "all" objects in Python... At least, not until you are forced to derive from object in Python 3.0
– monokrome
Sep 21 '10 at 23:35
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