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What is the difference between ? and Object in Java generics?
...Eclipse seems to be giving me an option to choose between a type of Object and a type of '?'.
6 Answers
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Calling dynamic function with dynamic number of parameters [duplicate]
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You don't need to convert 'arguments' to a REAL array. What's the point in this? It works perfectly without that step...
– James
Mar 24 '09 at 12:16
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How to prevent multiple instances of an Activity when it is launched with different Intents
... using the "Open" button on the Google Play Store app (previously called Android Market). It seems that launching it from the Play Store uses a different Intent than launching it from the phone's application menu of icons. This is leading to multiple copies of the same Activity being launched, w...
FormData.append(“key”, “value”) is not working
....form[i].value;
}
}
const data = formDataToObject.toObj(formObject): // convert "user[email]":"customer@mail.com" => "user":{"email":"customer@mail.com"}
const orderRes = await fetch(`/api/orders`, {
method: 'POST',
credentials: 'same-origin',
headers: {
'Con...
Left-pad printf with spaces
...nt exactly 40 spaces then some text, just save the 40 spaces in a constant and print them. If you need to print multiple lines, either use multiple printf statements like the one above, or do it in a loop, changing the value of ptr each time.
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Facebook database design?
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Keep a friend table that holds the UserID and then the UserID of the friend (we will call it FriendID). Both columns would be foreign keys back to the Users table.
Somewhat useful example:
Table Name: User
Columns:
UserID PK
EmailAddress
Password
Ge...
How to quit a java app from within the program
...lso, as others have mentioned, clean up first! That involves closing files and other open resources.
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Check if a value is within a range of numbers
... answered Apr 9 '18 at 2:51
AlexanderAlexander
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Generate sql insert script from excel worksheet
...e Excel for anyone else that runs into the problem. The datetime data gets converted to "binary" data on the SQL side for some reason.
– Kevin Vasko
Jan 23 '17 at 16:18
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Assign one struct to another in C
...re an issue than it is for assignment of the built in types, like integers and doubles - assignment is not an atomic operation for these either.
– anon
Feb 20 '10 at 13:58
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