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JavaScript chop/slice/trim off last character in string
...viously using the substring version. Thanks!
– Matt Ball
Apr 13 '10 at 14:09
33
forgive me if I'm...
Purpose of Python's __repr__
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__repr__ should return a printable representation of the object, most likely one of the ways possible to create this object. See official documentation here. __repr__ is more for developers while __str__ is for end users.
A ...
What's the yield keyword in JavaScript?
...O.
The function containing the yield keyword is a generator. When you call it, its formal parameters are bound to actual arguments, but its body isn't actually evaluated. Instead, a generator-iterator is returned. Each call to the generator-iterator's next() method performs another pass through ...
Python - Count elements in list [duplicate]
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len(myList) should do it.
len works with all the collections, and strings too.
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require file as string
...ondering how I can import any file as a string. Lets say I have a txt file all I want is to load it into a variable as such.
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ObservableCollection Doesn't support AddRange method, so I get notified for each item added, besides
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Scott Dorman is correct. Calling the built-in Add method will trigger something like 3 events per add (a NotifyPropertyChange for item count, NotifyPropertyChange for item indexing[] and an NotifyCollectionChanged event for the item added). To get the...
How do I export UIImage array as a movie?
...riter has an input of type AVAssetWriterInput, which in turn has a method called appendSampleBuffer: that lets you add individual frames to a video stream. Essentially you’ll have to:
1) Wire the writer:
NSError *error = nil;
AVAssetWriter *videoWriter = [[AVAssetWriter alloc] initWithURL:
[...
How to include route handlers in multiple files in Express?
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Actually, the author (TJ Holowaychuck) gives a better approche: vimeo.com/56166857
– avetisk
Mar 23 '13 at 9:36
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What is __main__.py?
What is the __main__.py file for, what sort of code should I put into it, and when should I have one?
5 Answers
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Why isn't sizeof for a struct equal to the sum of sizeof of each member?
... errors.
Here's an example using typical settings for an x86 processor (all used 32 and 64 bit modes):
struct X
{
short s; /* 2 bytes */
/* 2 padding bytes */
int i; /* 4 bytes */
char c; /* 1 byte */
/* 3 padding bytes */
};
struct Y
{
int i; /* 4...