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How to fix “Incorrect string value” errors?
After noticing an application tended to discard random emails due to incorrect string value errors, I went though and switched many text columns to use the utf8 column charset and the default column collate ( utf8_general_ci ) so that it would accept them. This fixed most of the errors, and made ...
Delete fork dependency of a GitHub repository
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You can contact github support and ask them to switch your repository to "normal mode".
On this page, "Commit was made in a fork" paragraph, it is explained that one has to go through support to switch. Therefore, it is likely that there is no way to do t...
Can't connect to localhost on SQL Server Express 2012 / 2016
...press 2012 but I cannot connect to localhost. I tried localhost\SQLExpress and Windows authentication but it gives me an error message saying cannot connect. Am I missing something here? I've used SQL Server 2008 before and I've never had issues connecting to localhost. It seems that it can't even f...
Python idiom to return first item or None
...last option is almost exactly what I'm looking for: it's clear, it works, and it doesn't require me to define a new function. I'd say "exactly" if the break were somehow not needed, because the risk of omitting it is not insignificant. But this approach has the ring of truth.
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Difference between Statement and PreparedStatement
The Prepared Statement is a slightly more powerful version of a Statement, and should always be at least as quick and easy to handle as a Statement.
The Prepared Statement may be parametrized
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CSV file written with Python has blank lines between each row
This code reads thefile.csv , makes changes, and writes results to thefile_subset1 .
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How to use a variable to specify column name in ggplot
I have a ggplot command
6 Answers
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Can Powershell Run Commands in Parallel?
... have a powershell script to do some batch processing on a bunch of images and I'd like to do some parallel processing. Powershell seems to have some background processing options such as start-job, wait-job, etc, but the only good resource I found for doing parallel work was writing the text of a ...
Is there a simple, elegant way to define singletons? [duplicate]
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I don't really see the need, as a module with functions (and not a class) would serve well as a singleton. All its variables would be bound to the module, which could not be instantiated repeatedly anyway.
If you do wish to use a class, there is no way of creating private classes...
Java: Path vs File
...hat said, java.nio.file.Path is part of the more modern java.nio.file lib, and does everything java.io.File can, but generally in a better way, and more.
For new projects, use Path.
And if you ever need a File object for legacy, just call Path#toFile()
Migrating from File to Path
This Oracle pa...