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Using custom std::set comparator
...should use a functor (a class that overloads the () operator so it can be called like a function).
struct lex_compare {
bool operator() (const int64_t& lhs, const int64_t& rhs) const {
stringstream s1, s2;
s1 << lhs;
s2 << rhs;
return s1.str()...
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:
[...
iPhone - Get Position of UIView within entire UIWindow
...If your superView did not have a superView your view should not be seen at all
– user4951
Mar 19 '13 at 3:41
17
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pandas three-way joining multiple dataframes on columns
...SV files. Each has the first column as the (string) names of people, while all the other columns in each dataframe are attributes of that person.
...
is node.js' console.log asynchronous?
...ete, since stdout is synchronous now.
Well let's see what console.log actually does.
First of all it's part of the console module:
exports.log = function() {
process.stdout.write(format.apply(this, arguments) + '\n');
};
So it simply does some formatting and writes to process.stdout, nothing ...
How to force use of overflow menu on devices with menu button
I'd like to have all of the menu items that don't fit into the ActionBar go into the overflow menu (the one that is reached from the Action Bar not the menu button) even on devices that do have a Menu button . This seems much more intuitive for users than throwing them into a separate menu list th...
How to include route handlers in multiple files in Express?
...
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 __declspec and when do I need to use it?
I have seen instances of __declspec in the code that I am reading. What is it? And when would I need to use this construct?
...
python assert with and without parenthesis
...through IDLE. Because assert is a keyword and not a function, you are actually passing in a tuple as the first argument and leaving off the second argument.
Recall that non-empty tuples evaluate to True, and since the assertion message is optional, you've essentially called assert True when you wr...
How do I convert a Vector of bytes (u8) to a string
...("result: {}", s);
}
The conversion is in-place, and does not require an allocation. You can create a String from the string slice if necessary by calling .to_owned() on the string slice (other options are available).
The library reference for the conversion function:
std::str::from_utf8
...