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com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
I'm working on getting my database to talk to my Java programs.
38 Answers
38
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Expand Python Search Path to Other Source
I have just joined a project with a rather large existing code base. We develop in linux and do not use and IDE. We run through the command line. I'm trying to figure out how to get python to search for the right path when I run project modules. For instance, when I run something like:
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How can I convert a comma-separated string to an array?
...e you have elements in array, if you're expecting data from a server / database you will run into trouble since ''.split(',') has a length === 1 IE: ''.split(',') === ['']
– oportocala
Aug 2 '16 at 15:49
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SQL Server CTE and recursion example
...CT * FROM SupplierChain_CTE
Explanation:
The first CTE query returns the base suppliers (like leaves) who do not supply to any other supplier directly (-1)
The recursive query in the first iteration gets all the suppliers who supply to the suppliers returned by the ANCHOR.
This process continues ...
git: fatal: Could not read from remote repository
...ccess.
Also it's possible to define rules for ssh in ~/.ssh/config, e.g. based on aliases:
Host github
HostName github.com
User git
IdentityFile "~/.ssh/id_rsa"
Host git
HostName github.com
User git
IdentityFile "~/.ssh/some_other_id"
You can set con...
How to mock a final class with mockito
...sults in error when running on Linux / OpenJDK 1.8: org.mockito.exceptions.base.MockitoInitializationException: Could not initialize inline Byte Buddy mock maker. (This mock maker is not supported on Android.)
– naXa
Mar 31 '19 at 15:14
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How to get the index of an item in a list in a single step?
...onditions defined by the specified predicate,
/// and returns the zero-based index of the first occurrence within the entire <see cref="IEnumerable{T}"/>.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="list">The list.</param>
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How do I remove the file suffix and path portion from a path string in Bash?
...flexible of all the answers posted, but I think the answers suggesting the basename and dirname commands deserve some attention as well. They may be just the trick if you don't need any other fancy pattern matching.
– mgadda
Dec 4 '12 at 2:08
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What are the relative strengths and weaknesses of Git, Mercurial, and Bazaar? [closed]
...directories. Another issue with git is that has many operations (such as rebase) which make it easy to modify history (in a sense -- the content referred to by a hash will never change, but references to that hash may be lost); some purists (myself included) don't like that very much.
Bazaar is rea...
Get IP address of visitors using Flask for Python
...re users can log on and download files, using the Flask micro-framework (based on Werkzeug ) which uses Python (2.6 in my case).
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