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json_encode is returning NULL?
... Because UTF8 is the lingua franca on the web. Instead of cluttering the API with additional parameters and overhead, PHP (rigthly) uses the most common encoding, leaving to you the conversion burden if you use an uncommon (or an almost dead, as in your case) encoding.
– ntd
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How to mock void methods with Mockito
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Take a look at the Mockito API docs. As the linked document mentions (Point # 12) you can use any of the doThrow(),doAnswer(),doNothing(),doReturn() family of methods from Mockito framework to mock void methods.
For example,
Mockito.doThrow(new Excepti...
What's the correct way to convert bytes to a hex string in Python 3?
...rintable (fits into 7bits ascii), base64 (fits into alphanumerics), hex escaping, gzip and bz2 compression. In Python 2, you could do:
b'foo'.encode('hex')
In Python 3, str.encode / bytes.decode are strictly for bytes<->str conversions. Instead, you can do this, which works across Python 2...
How to set up fixed width for ?
...tions/12881067/html-td-width-and-height, developer.mozilla.org/en/docs/Web/API/HTMLTableCellElement
– Jon Koops
Mar 14 '14 at 15:28
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How to cancel an $http request in AngularJS?
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The angular documentation page docs.angularjs.org/api/ng/service/$http in the 'Usage' describes a timeout setting, and also mentions what objects (a Promise) are accepted.
– Igor Lino
Sep 22 '16 at 14:37
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How to create NS_OPTIONS-style bitmask enumerations in Swift?
In Apple's documentation about interacting with C APIs, they describe the way NS_ENUM -marked C-style enumerations are imported as Swift enumerations. This makes sense, and since enumerations in Swift are readily provided as the enum value type it's easy to see how to create our own.
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How can I see the request headers made by curl when sending a request to the server?
...rld, when people ask about seeing headers, they are probably talking about APIs. And if you use that "I use -I to see the headers with my Apache webserver" mentality, you are going to waste a lot of time developing against a HEAD method when you probably mean to use GET. Stop telling people to use -...
How to capitalize the first character of each word in a string
Is there a function built into Java that capitalizes the first character of each word in a String, and does not affect the others?
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Retrieve filename from file descriptor in C
...ng you are talking about a plain old POSIX system, without any OS-specific APIs, since you didn't specify an OS.
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What is the difference between print and puts?
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The API docs give some good hints:
print() → nil
print(obj, ...) → nil
Writes the given object(s) to ios. Returns nil.
The stream must be opened for writing. Each given object that isn't a
string will be ...