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What methods of ‘clearfix’ can I use?
...id Rivers: The :after method is not a hack as it doesn't exploit a parsing error in a browser, it uses a feature of css as a solution. Additionally :after will be supported in future browsers, unlike the underscore hack. Ideally there will be a css property that can be applied to an element which w...
Difference between std::system_clock and std::steady_clock?
... if(QueryPerformanceFrequency(&frequency) == 0)
throw std::logic_error("QueryPerformanceCounter not supported: " + std::to_string(GetLastError()));
}
};
For Linux it is even easier. Just read the man page of clock_gettime and modify the code above.
...
Can JSON start with “[”?
...ou attempted to call JSONObject.parse(books.toString()); you would get the error you encountered:
java.io.IOException: Expecting '{' on line 1, column 2 instead, obtained token: 'Token: ['
share
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What is the motivation for bringing Symbols to ES6?
...l make the object drop the older one (and if hard-coded, it could throw an error). So, no more apples! That's a pity. Referring the previous paragraph, the Symbols are unique and defining a key as Symbol() will make it unique.
##Type conversion and checking
Unlike other data types, it's impossible ...
Is it possible to specify your own distance function using scikit-learn K-Means Clustering?
...x dim: initial centres, e.g. random.sample( X, k )
delta: relative error, iterate until the average distance to centres
is within delta of the previous average distance
maxiter
metric: any of the 20-odd in scipy.spatial.distance
"chebyshev" = max, "cit...
Clone private git repo with dockerfile
...5 seconds which bitbucket often exceeded. ssh-keyscan won't even report an error. So better run RUN ssh-keyscan -T 60 bitbucket.org >> /root/.ssh/known_hosts to be safe.
– fluidsonic
Feb 26 '15 at 17:05
...
When is a language considered a scripting language? [closed]
...ion into bytecode of the reference CPython impl. doesn't raise compilation errors regarding "type safety"? Maybe Oded's answer has these...
– n611x007
Jun 29 '12 at 6:34
...
Speed up the loop operation in R
...e 4: "temp[idx1,10] <- temp[idx1,9] + temp[which(idx1)-1,10]" caused an error because the length of longer object is not a multiple of the length of the shorter object. "temp[idx1,9] = num [1:11496]" and "temp[which(idx1)-1,10] = int [1:11494]" so 2 rows are missing.
– Ka...
How to implement custom JsonConverter in JSON.NET to deserialize a List of base class objects?
...
I found that you must handle NULL cases, otherwise a nice error will occur. Use: ||| if (reader.TokenType == JsonToken.Null) return null; |||| source: stackoverflow.com/a/34185296/857291
– Cesar
Feb 23 '19 at 16:56
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Can scrapy be used to scrape dynamic content from websites that are using AJAX?
..._init__(self):
CrawlSpider.__init__(self)
self.verificationErrors = []
self.selenium = selenium("localhost", 4444, "*chrome", "http://www.domain.com")
self.selenium.start()
def __del__(self):
self.selenium.stop()
print self.verificationErrors
...