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Pointers, smart pointers or shared pointers? [duplicate]
...assume you meant scoped pointer which uses the RAII pattern. It is a stack-allocated object that wraps a pointer; when it goes out of scope, it calls delete on the pointer it wraps. It "owns" the contained pointer in that it is in charge of deleteing it at some point. They allow you to get a raw ref...
Converting string into datetime
...time is the main routine for parsing strings into datetimes. It can handle all sorts of formats, with the format determined by a format string you give it:
from datetime import datetime
datetime_object = datetime.strptime('Jun 1 2005 1:33PM', '%b %d %Y %I:%M%p')
The resulting datetime object is...
Regular expression to check if password is “8 characters including 1 uppercase letter, 1 special cha
...n you are after will most likely be huge and a nightmare to maintain especially for people who are not that familiar with regular expressions.
I think it would be easier to break your regex down and do it one bit at a time. It might take a bit more to do, but I am pretty sure that maintaining it an...
Neither BindingResult nor plain target object for bean name available as request attribute [duplicat
...
yes; In controller where you are calling login view. LIke.. @RequestMapping(value = "/", method = RequestMethod.GET) public String displayLogin( Model model) { model.addAttribute("login", new Login()); return "login"; }
– Vinay
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jQuery load more data on scroll
...he bottom of page using scroll function. Once you hit that, make an ajax call (you can show a loading image here till ajax response) and get the next set of data, append it to the div. This function gets executed as you scroll down the page again.
$(window).scroll(function() {
if($(window)...
Spring Boot + JPA : Column name annotation ignored
... Awesome.. I was wondering why it was ignoring my @Column annotation. Finally this helped me. To me, I feel like this is either a bug or missing functionality.
– Raju Penumatsa
Jul 13 '19 at 6:16
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How to update a plot in matplotlib?
I'm having issues with redrawing the figure here. I allow the user to specify the units in the time scale (x-axis) and then I recalculate and call this function plots() . I want the plot to simply update, not append another plot to the figure.
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Java: is there a map function?
...;
}
});
System.out.println(output);
Output:
[a, 14, 1e, 28, 32]
These days, with Java 8, there is actually a map function, so I'd probably write the code in a more concise way:
Collection<String> hex = input.stream()
.map(Integer::toHexString)
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insert vs emplace vs operator[] in c++ map
...ing value_type or make_pair . While there is a lot of information about all of them and questions about particular cases, I still can't understand the big picture.
So, my two questions are:
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Build android release apk on Phonegap 3.x CLI
How can I build an android app locally using the Phonegap 3.x CLI, ready to release? I check the bin folder generated inside the platforms/android directory of the project, and only has .debug APKs.
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