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How to check if activity is in foreground or in visible background?

...stem dialogue box pops-up and I only want to finish() ; once the user has selected an option from the dialogue box? 23 An...
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How do you compare two version Strings in Java?

... converted on Kotlin stackoverflow.com/a/61795721/6352712 – Serg Burlaka May 14 at 13:04 ...
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JavaScript open in a new window, not tab

I have a select box that calls window.open(url) when an item is selected. Firefox will open the page in a new tab by default. However, I would like the page to open in a new window, not a new tab. ...
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Python: Find in list

...ll you need to know is whether something is a member of your list, you can convert the list to a set first and take advantage of constant time set lookup: my_set = set(my_list) if item in my_set: # much faster on average than using a list # do something Not going to be the correct solution i...
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Python argparse: default value or specified value

...r-1 arguments const=1 sets the default when there are 0 arguments type=int converts the argument to int If you want test.py to set example to 1 even if no --example is specified, then include default=1. That is, with parser.add_argument('--example', nargs='?', const=1, type=int, default=1) th...
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The project file has been moved renamed or is not on your computer

... i tried to open the .vbproj file and this is what i get. "The selected file cannot be opened as a solution or project. Please select a solution file or a project file" also please put how to recreate the .sln file. I am new to this. thanks – sineas ...
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Setting up foreign keys in phpMyAdmin?

..._id, in your case). Then, go to relation view (in the referring table) and select the referred column (so in your case foo.id) and the on update and on delete actions. I think foreign keys are useful if you have multiple tables linked to one another, in particular, your delete scripts will become v...
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Failed to serialize the response in Web API with Json

...t do something like this, which worked for me: var listOfUsers = db.Users.Select(r => new UserModel { userModel.FirstName = r.FirstName; userModel.LastName = r.LastName; }); return listO...
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XDocument or XmlDocument

...er> XElement customersElement = new XElement("customers", customers.Select(c => new XElement("customer", new XAttribute("name", c.Name), new XAttribute("lastSeen", c.LastOrder) new XElement("address", new XAttribute("town", c.Town), new XAttr...
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Get value from hidden field using jQuery

...t to assign identifier to the hidden field; you can use name or class with selector like: $('input[name=hiddenfieldname]').val(); or with assigned class: $('input.hiddenfieldclass').val(); share | ...