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Count character occurrences in a string in C++

...ile! – John Dibling Oct 5 '10 at 22:05 6 @Tamas: Of course not, but I don't have my fun while "an...
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ie8 var w= window.open() - “Message: Invalid argument.”

...This is an old posting but maybe still useful for someone. I had the same error message. In the end the problem was an invalid name for the second argument, i.e., I had a line like: window.open('/somefile.html', 'a window title', 'width=300'); The problem was 'a window title' as it is not val...
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How do I override __getattr__ in Python without breaking the default behavior?

...lled bar. If the attribute is one you don't want to handle, raise AttributeError: class Foo(object): def __getattr__(self, name): if some_predicate(name): # ... else: # Default behaviour raise AttributeError However, unlike __getattr__, __ge...
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How do I create a random alpha-numeric string in C++?

I'd like to create a random string, consisting of alpha-numeric characters. I want to be able to be specify the length of the string. ...
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Efficient way to apply multiple filters to pandas DataFrame or Series

... in a list, and then passing data[conjunction(conditions_list)] but get an error ValueError: Item wrong length 5 instead of 37. Also tried data[conjunction(*conditions_list)] but I get a different result than data[conjunction(c_1, c_2, c_3, ... c_n )], not sure what is going on. ...
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Java SimpleDateFormat(“yyyy-MM-dd'T'HH:mm:ss'Z'”) gives timezone as IST

... It gives me java.text.ParseException: Unparseable date: "2018-05-01T18:30:00.000Z" @AZ_ – Mansuu.... Mar 19 '18 at 10:54 add a comment  |  ...
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What's the difference between integer class and numeric class in R

I want to preface this by saying I'm an absolute programming beginner, so please excuse how basic this question is. 4 Answ...
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Email validation using jQuery

... few reasons. You validated, ok great, now what? You need to display the error, handle erasing it when it is valid, displaying how many errors total perhaps? There are lots of things it can handle for you, no need to re-invent the wheel. Also, another huge benefit is it's hosted on a CDN, the cu...
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google chrome extension :: console.log() from background page?

...age().console; // for instance, console.assert(1!=1) will return assertion error // console.log("msg") ==> prints msg // etc share | improve this answer | follow ...
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How to convert a data frame column to numeric type?

...e" to numeric. If there's just one character element in vector, you'll get error when trying to convert that vector to numerical one. And just to prove my point: > err <- c(1, "b", 3, 4, "e") > mode(err) [1] "character" > class(err) [1] "character" > char <- as.numeric(err) Warni...