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MySQL connection not working: 2002 No such file or directory
...dPress. I have Apache and MySQL running, and the accounts and database are all set up. I tried to make a simple connection:
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Git merge reports “Already up-to-date” though there is a difference
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The message “Already up-to-date” means that all the changes from the branch you’re trying to merge have already been merged to the branch you’re currently on. More specifically it means that the branch you’re trying to merge is a parent of your current branch. Co...
How do I determine k when using k-means clustering?
...nder Selb in Pattern Analysis and Applications vol. 2, p. 59-72, 1999.
Finally, you can start with one cluster, then keep splitting clusters until the points assigned to each cluster have a Gaussian distribution. In "Learning the k in k-means" (NIPS 2003), Greg Hamerly and Charles Elkan show some ...
Why are static variables considered evil?
...ate world. Recently I've developed an application using Groovy and Java. All through the code I wrote used quite a good number of statics. I was asked by the senior technical lot to cut down on the number of statics used. I've googled about the same, and I find that many programmers are fairly aga...
Visual Studio 2012 Web Publish doesn't copy files
...recently experienced the same problem when opening the same solution originally created in vs2012RC with VS2012 Express for Web. I did exactly what the original poster suggested and it fixed my problem.
Here is the thread that lead me to the answer:
connect.microsoft.com/VisualStudio/feedback/deta...
When to use extern in C++
...larify, using extern int x; tells the compiler that an object of type int called x exists somewhere. It's not the compilers job to know where it exists, it just needs to know the type and name so it knows how to use it. Once all of the source files have been compiled, the linker will resolve all of ...
Do we need semicolon at the end? [duplicate]
...andable manner using examples under the headings:
Where Semicolons are Allowed
Where Semicolons May be Omitted
The rules
It even digs into the official ECMAScript specification about the topic.
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Big-O summary for Java Collections Framework implementations? [closed]
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Collections Overview has a nice summary table.
Annotated Outline lists all of the implementations on one page.
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Delete directories recursively in Java
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With Java 7, we can finally do this with reliable symlink detection. (I don't consider Apache's commons-io to have reliable symlink detection at this time, as it doesn't handle links on Windows created with mklink.)
For the sake of history, here's...
Get list from pandas DataFrame column headers
...input so I won't know how many columns there will be or what they will be called.
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