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How to shuffle a std::vector?
...t; // std::chrono::system_clock
int main ()
{
// obtain a time-based seed:
unsigned seed = std::chrono::system_clock::now().time_since_epoch().count();
std::default_random_engine e(seed);
while(true)
{
std::vector<int> foo{1,2,3,4,5};
std::shuffle(foo....
Can comments be used in JSON?
...ments of the form //… or /*…*/ are not allowed in JSON. This answer is based on:
https://www.json.org
RFC 4627:
The application/json Media Type for JavaScript Object Notation (JSON)
RFC 8259 The JavaScript Object Notation (JSON) Data Interchange Format (supercedes RFCs 4627, 7158, 7159)
...
how to detect search engine bots with php?
...tives. So the bot detection seem to work perfectly.
Note: My whitelist is based on Facebooks robots.txt.
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Is it possible to create static classes in PHP (like in C#)?
...ntiate the class.
So in my humble opinion this is a more complete example based on Greg's one:
<?php
class Hello
{
/**
* Construct won't be called inside this class and is uncallable from
* the outside. This prevents instantiating this class.
* This is by purpose, because we...
In Python, how can you load YAML mappings as OrderedDicts?
...ruct_pairs(node))
OrderedLoader.add_constructor(
yaml.resolver.BaseResolver.DEFAULT_MAPPING_TAG,
construct_mapping)
return yaml.load(stream, OrderedLoader)
# usage example:
ordered_load(stream, yaml.SafeLoader)
For serialization, I don't know an obvious generalization, but...
Check if object is file-like in Python
...rface you need. hasattr is needed for filelikes that don't derive from IOBase
– Erik Aronesty
Aug 22 '19 at 14:43
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what is .netrwhist?
...
In addition, in case you want vim to respect the XDG base directory specifications in order to prevent your home folder from being littered up by dotfiles like ~/.vim, you may want to split cached files and history files from your configuration (which usually resides in the run...
Changing navigation title programmatically
...onBar(frame: CGRect(x: 0, y: 0, width: self.view.frame.size.width, height: 64.0))
self.view.addSubview(navBar);
let navItem = UINavigationItem(title: "Camera");
let doneItem = UIBarButtonItem(barButtonSystemItem: UIBarButtonSystemItem.cancel, target: self, action: #selector(CameraViewCon...
Representing graphs (data structure) in Python
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How does _gaq.push(['_trackPageLoadTime']) work?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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