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SQLite error 'attempt to write a readonly database' during insert?
I have a SQLite database that I am using for a website. The problem is that when I try to INSERT INTO it, I get a PDOException
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Checking if a SQL Server login already exists
I need to check if a specific login already exists on the SQL Server, and if it doesn't, then I need to add it.
10 Answers
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Animate element to auto height with jQuery
I want to animate a <div> from 200px to auto height. I can’t seem to make it work though. Does anyone know how?
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UITableViewCell show white background and cannot be modified on iOS7
I've implemented a custom table view cell class that inherit from UITableViewCell . The tableview contains a background image, so I want cell's background to be transparent. It looks great before iOS7.
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Java volatile reference vs. AtomicReference
Is there any difference between a volatile Object reference and AtomicReference in case I would just use get() and set() -methods from AtomicReference ?
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How do I remove the file suffix and path portion from a path string in Bash?
Given a string file path such as /foo/fizzbuzz.bar , how would I use bash to extract just the fizzbuzz portion of said string?
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How do I get the file extension of a file in Java?
Just to be clear, I'm not looking for the MIME type.
30 Answers
30
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How to clean node_modules folder of packages that are not in package.json?
Assume I install project packages with npm install that looks into package.json for modules to be installed. After a while I see that I don't need some specific module and remove its dependency from package.json . Then I remove some other modules from package.json because they are not needed ...
How can a Java program get its own process ID?
How do I get the id of my Java process?
22 Answers
22
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How to use performSelector:withObject:afterDelay: with primitive types in Cocoa?
The NSObject method performSelector:withObject:afterDelay: allows me to invoke a method on the object with an object argument after a certain time. It cannot be used for methods with a non-object argument (e.g. ints, floats, structs, non-object pointers, etc.).
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