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Android ListView not refreshing after notifyDataSetChanged
... adapter.notifyDataSetChanged();
}
what you just have updated before calling notifyDataSetChanged() is not the adapter's field private List<Item> items; but the identically declared field of the fragment. The adapter still stores a reference to list of items you passed when you created th...
Could not open a connection to your authentication agent
...t?.
Could not open a connection to your authentication agent
To automatically start ssh-agent and allow a single instance to work in multiple console windows, see Start ssh-agent on login.
Why do we need to use eval instead of just ssh-agent?
To find out why, see Robin Green's answer.
Public vs...
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
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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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Find unused npm packages in package.json
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You can use an npm module called depcheck (requires at least version 10 of Node).
Install the module:
npm install depcheck -g
or
yarn global add depcheck
Run it and find the unused dependencies:
depcheck
The good thing about this approach is ...
Unable to read data from the transport connection : An existing connection was forcibly closed by th
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This error usually means that the target machine is running, but the service that you're trying to connect to is not available. (Either it stopped, crashed, or is busy with another request.)
In English:
The connection to the machine (rem...
How do you implement an async action delegate method?
I am learning the Web API stack and I am trying to encapsulate all data in the form of a "Result" object with parameters such as Success and ErrorCodes.
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Copying files from Docker container to host
...ncies on a Continuous Integration (CI) server, so that I don't have to install all the runtimes and libraries on the agents themselves.
...