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How to access the correct `this` inside a callback?
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What you should know about this
this (aka "the context") is a special keyword inside each function and its value only depends on how the function was called, not how/when/where it was defined. It is not affected by lexical sc...
What does @: (at symbol colon) mean in a Makefile?
What does the following do in a Makefile?
2 Answers
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Facebook access token server-side validation for iPhone app
...! It's OBVIOUSLY not the right solution. Actually, the correct approach is what "sebastian the crab" suggested. The debug_token endpoint is used to query information about the token itself and this way you can verify that the token belongs to a specific user ID for a specific app ID!
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Android - Handle “Enter” in an EditText
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Here's what you do. It's also hidden in the Android Developer's sample code 'Bluetooth Chat'. Replace the bold parts that say "example" with your own variables and methods.
First, import what you need into the main Activity where y...
How to use double or single brackets, parentheses, curly braces
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@Yola, could you please explain what does $(varname) exactly? In Apple Xcode projects, I can specify file paths as script input/output. if I specify $SRC_ROOT/myFile.txt or ${SRC_ROOT}/myFile.txt (SRC_ROOT var is exported by the build system) - doesn't work...
BitBucket - download source as ZIP
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What about a way to download all repos for a project? i.e. I would like a folder with the project name, with nested folders for each repo...
– Zach Smith
Feb 15 '18 at 8:30
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Not equal != operator on NULL
...Testing for equality is nonsensical because by definition one doesn't know what the value is.
Here is a wikipedia article to read:
https://en.wikipedia.org/wiki/Null_(SQL)
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Python date string to date object
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Directly related question:
What if you have
datetime.datetime.strptime("2015-02-24T13:00:00-08:00", "%Y-%B-%dT%H:%M:%S-%H:%M").date()
and you get:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/loc...
multiprocessing.Pool: When to use apply, apply_async or map?
...l.apply , Pool.apply_async and Pool.map . I am mainly using Pool.map ; what are the advantages of others?
3 Answers
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Default value to a parameter while passing by reference in C++
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if not addresses what's actually getting passed?
– Sony
Jun 29 '09 at 18:19
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