大约有 7,100 项符合查询结果(耗时:0.0142秒) [XML]

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What's the difference between unit tests and integration tests? [duplicate]

... They usually require resources like database instances and hardware to be allocated for them. The integration tests do a more convincing job of demonstrating the system works (especially to non-programmers) than a set of unit tests can, at least to the extent the integration test environment resemb...
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SQL injection that gets around mysql_real_escape_string()

...et_charset() / $mysqli->set_charset() / PDO's DSN charset parameter (in PHP ≥ 5.3.6) OR Don't use a vulnerable character set for connection encoding (you only use utf8 / latin1 / ascii / etc) You're 100% safe. Otherwise, you're vulnerable even though you're using mysql_real_escape_string().....
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How to convert image to byte array

...eeling it might have had something to do with a 4K byte boundary in memory allocation. But that could easily be wrong. I switched to using a MemoryStream with a BinaryFormatter and I was able to become very consistent as tested with over 250 different test images of varying formats and sizes, loop...
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Java String - See if a string contains only numbers and not letters

... If you look at the code of toCharArray, it is allocating a char array and copying the chars (i think that could be expensive). What about if you just iterate the string using an index and charAt, would it be faster? Would be interesting also if you could add the soluti...
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What are important languages to learn to understand different approaches and concepts? [closed]

... I currently program Clojure, Python, Java and PHP [...] What are languages that take a different approach and would be useful for either practical tool choosing or theoretical understanding? C There's a lot of C code lying around---it's definitely practical. If you l...
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How to send JSON instead of a query string with $.ajax?

... @shorif2000 better late than never... the problem is that in $_POST in php you can only see application/x-www-form-urlencoded, if you want to read json data you must do file_get_contents("php://input") and perhaps then a json_decode() – santiago arizti Nov ...
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Detect if a NumPy array contains at least one non-numeric value?

...really the fastest way to do this? i) Doesn't numpy.isnan(a).any() involve allocating a large temporary array (it is it a view). ii) If the first element is NAN, does this solution involve iterating over the full array? If I set the first element to NAN, this still takes about 5microseconds, which s...
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Parsing HTML into NSAttributedText - how to set font?

... self.font.pointSize]]; self.attributedText = [[NSAttributedString alloc] initWithData:[string dataUsingEncoding:NSUnicodeStringEncoding] options:@{NSDocumentTypeDocumentAttribute: NSHTMLTextDocumentType, ...
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Is it a bad practice to catch Throwable?

... How do you know what was allocated and what wasn't prior to the OOME? All bets are off once you get that, even inside a J2EE container like Tomcat or JBoss. – bmauter May 31 '13 at 2:05 ...
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Why does a RegExp with global flag give wrong results?

...he re.lastIndex. This is strange because I would expect a new RegExp to be allocated each time the function is called and not shared across multiple invocations of my function. When I changed it to: var re = new RegExp('^([^-]+)-([^-]+)-([^-]+)$', 'g'); Then I don't get the lastIndex holdover ef...