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How to debug Lock wait timeout exceeded on MySQL?
In my production error logs I occasionally see:
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How do I undo the most recent local commits in Git?
I accidentally committed the wrong files to Git , but I haven't pushed the commit to the server yet.
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How to instantiate non static inner class within a static method?
I have the following piece of code:
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Merge multiple lines (two blocks) in Vim
I'd like to merge two blocks of lines in Vim, i.e. take lines n..m and append them to lines a..b . If you prefer a pseudocode explanation: [a[i] + b[i] for i in min(len(a), len(b))]
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What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?
I have some code and when it executes, it throws a IndexOutOfRangeException , saying,
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RRSet of type CNAME with DNS name foo.com. is not permitted at apex in zone bar.com
I own foo.com and bar.com . I am managing both in Route53. foo.com hosts my site, and I'd like to direct traffic from bar.com to foo.com . I tried to set up a CNAME record for bar.com pointing to foo.com , but I got the error message:
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How to iterate a loop with index and element in Swift
Is there a function that I can use to iterate over an array and have both index and element, like Python's enumerate ?
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Java Embedded Databases Comparison [closed]
I intend to develop a small (Java) application for managing my finances. I believe I need to use an embedded database, but I have no experience regarding this issue. I tried to look at some of the available products , but I can't decide which one would be more suitable for me. H2 , HSQLDB , Derb...
Swift class introspection & generics
I am trying to dynamically create a class instance based type using generics, however I am encountering difficulty with class introspection.
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Why does AuthorizeAttribute redirect to the login page for authentication and authorization failures
In ASP.NET MVC, you can mark up a controller method with AuthorizeAttribute , like this:
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