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Insert Unicode character into JavaScript
...dited Aug 26 '15 at 20:41
Seanny123
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answered Oct 26 '12 at 21:26
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Can scrapy be used to scrape dynamic content from websites that are using AJAX?
...hing fancy at all; its only purpose is to get the data off of a betting website and have this data put into Excel.
8 Answer...
Abusing the algebra of algebraic data types - why does this work?
...jections fst : A×B → A and snd : A×B → B, where given any type C and functions f : C → A, g : C → B you can define the pairing f &&& g : C → A×B such that fst ∘ (f &&& g) = f and likewise for g. Parametricity guarantees the universal properties automatically an...
What do the plus and minus signs mean in Objective-C next to a method?
...in Objective C is like this:
NSNumber *myNumber = [NSNumber numberWithInt:123];
which is calling the 'numberWithInt' class method of the NSNumber class, which is a 'factory' method (i.e. a method that provides you with a 'ready made instance' of an object).
Objective C also allows the creation o...
Select by partial string from a pandas DataFrame
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df[df['value'].astype(str).str.contains('1234.+')] for filtering out non-string-type columns.
– François Leblanc
Feb 13 '18 at 20:22
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How do you clear a slice in Go?
...
123
It all depends on what is your definition of 'clear'. One of the valid ones certainly is:
sli...
source of historical stock data [closed]
...users to obtain the benefits of the services provided at the Yahoo Finance site". Thumbs down on Yahoo
– Mustapha George
Aug 30 '15 at 11:27
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How to securely store access token and secret in Android?
...e password and the user can be sure that they only send it to the original site (Facebook, Twitter, Gmail, etc.)
Even if someone steals a token, they don't get to see the password (which the user might be using on other sites too)
Tokens generally have a lifetime and expire after a certain time
Toke...
Understanding checked vs unchecked exceptions in Java
... setStatusMessage("Hello Mr. " + userObject.getName() + ", Welcome to my site!);
} catch (NullPointerException npe) {
sendError("Sorry, your userObject was null. Please contact customer care.");
}
This is a bad programming practice. Instead a null-check should have been done like -
if (user...
Transitioning from Windows Forms to WPF
...lers that hide or resize, or what ever about UI,
It makes UI development fun. Especially once you find out how it likes to play along with Asyc processes. It really takes away a lot of the headaches that were caused by Winforms.
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