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Capture characters from standard input without waiting for enter to be pressed
I can never remember how I do this because it comes up so infrequently for me. But in C or C++, what is the best way to read a character from standard input without waiting for a newline (press enter).
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Could not locate Gemfile
...where you run that command.
Gemfile is a file containing your gem settings for a current program.
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Docker: adding a file from a parent directory
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Unfortunately, (for practical and security reasons I guess), if you want to add/copy local content, it must be located under the same root path than the Dockerfile.
From the documentation:
The <src> path must be ins...
jQuery scroll() detect when user stops scrolling
...e jQuery's default on-event-handler. It attaches an event handler function for one or more events to the selected elements and calls the handler function if the event was not triggered for a given interval. This is useful if you want to fire a callback only after a delay, like the resize event, or s...
Python: finding an element in a list [duplicate]
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The best way is probably to use the list method .index.
For the objects in the list, you can do something like:
def __eq__(self, other):
return self.Value == other.Value
with any special processing you need.
You can also use a for/in statement with enumerate(arr)
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Can I call memcpy() and memmove() with “number of bytes” set to zero?
... Where an argument declared as size_t n specifies the length of the array for a
function, n can have the value zero on a call to that function. Unless explicitly stated
otherwise in the description of a particular function in this subclause, pointer arguments
on such a call shall still have v...
Web-scraping JavaScript page with Python
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Any alternatives for those of us programming within Windows?
– Hoshiko86
Jun 5 '17 at 19:54
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Using curl to upload POST data with files
...y send data parameters in HTTP POST but to also upload files with specific form name. How should I go about doing that ?
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Ask for User Permission to Receive UILocalNotifications in iOS 8
...to ask user's permission to show notifications from your app, this applies for both remote/push and local notifications. In Swift you can do it like this,
Update for Swift 2.0
func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: NSDictionary?) -> Bool {
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What is the purpose of the word 'self'?
...o, or perhaps something yet more different -- but it didn't. Python's all for making things explicit, making it obvious what's what, and although it doesn't do it entirely everywhere, it does do it for instance attributes. That's why assigning to an instance attribute needs to know what instance to...