The confusion stems from your thinking \b matches spaces (probably because “b” suggests “blank”). \b matches the empty string at the beginning or end of a word. \B matches the empty string not at the beginning or end of a word. The key here is that “-” is not a part of a word. So … Read more
PriceList[0] is a float. PriceList[0][1] is trying to access the first element of a float. Instead, do or
you should put those two dates between single quotes like.. or can use keep in mind that the first date is inclusive, but the second is exclusive, as it effectively is ‘2011/02/27 00:00:00’
This behavior is explicitly documented in String.split(String regex) (emphasis mine): This method works as if by invoking the two-argument split method with the given expression and a limit argument of zero. Trailing empty strings are therefore not included in the resulting array. If you want those trailing empty strings included, you need to use String.split(String … Read more
I try to get my local development in Chrome back running, but Chrome prevents that, with the message that the certificate is invalid. Even though it could not be the date of the certificate, as you can see in the screenshot of it: I just wonder why there is no advanced > option to proceed … Read more
I don’t really see the need, as a module with functions (and not a class) would serve well as a singleton. All its variables would be bound to the module, which could not be instantiated repeatedly anyway. If you do wish to use a class, there is no way of creating private classes or private … Read more
If you want two classes on one element, do it this way: Reference it in css like so: Example:
You have the wrong mental model for using NumPy efficiently. NumPy arrays are stored in contiguous blocks of memory. If you want to add rows or columns to an existing array, the entire array needs to be copied to a new block of memory, creating gaps for the new elements to be stored. This is … Read more
You have a certificate which is self-signed, so it’s non-trusted by default, that’s why OpenSSL complains. This warning is actually a good thing, because this scenario might also rise due to a man-in-the-middle attack. To solve this, you’ll need to install it as a trusted server. If it’s signed by a non-trusted CA, you’ll have … Read more
I faced this issue because of lower version of Jdk. Previously I installed Jdk 1.7 and Android Studio 1.5.1, I got this issue. If you install Android Studio 1.5.1 or above JDK 1.8 required So Installing JDK 1.8 solved this issue.