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pip install mysql-python fails with EnvironmentError: mysql_config not found
This is the error I get
21 Answers
21
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ASP.NET MVC - TempData - Good or bad practice
... the Product, On Success the Controller redirects to URL Products/1 and on error would redirect back to products/New to display Error Messages.
Products/1 is just the standard GET action for the product, but we would like a message to display indicating the insert was a success. TempData is perfect...
Relational table naming convention [closed]
...e it assists in resolving the model, ie. clarifying relations, identifying errors, and correcting the table names.
Diagram_A
Of course, the relationship is implemented in SQL as a CONSTRAINT FOREIGN KEY in the child table (more, later). Here is the Verb Phrase (in the model), the Predicate that...
Changing column names of a data frame
...as in q1 <- q1 %>% mutate(rel_count = count / 482462) results in the error Error in mutate_impl(.data, dots) : unknown column 'days' (where days is a new name given to the column). This is really frustrating.
– David Tonhofer
Feb 7 '17 at 21:19
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Scala: List[Future] to Future[List] disregarding failed futures
...Result(true) {
futureValue match {
case Some(Success(Failure(error: IllegalStateException))) => true
}
}
}
test("Future.allAsTrys returns Nil given Nil list as input") {
val future = Future.allAsTrys(Nil)
assert ( Await.result(future, 100 nanosecond).isEmpty ...
Easiest way to rename a model using Django/South?
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I was able to avoid the error message that Leopd by creating the schema migration using --auto instead of --empty. I then edited the migration file, changing the deletion/creation of the tables into a db.rename_table() call. This seems to have worke...
How can I add an item to a IEnumerable collection?
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The first Prepend method is giving me an error. "'object[]' does not contain a definition for 'Concat' and the best extension method overload 'System.Linq.Enumerable.Concat<TSource>(System.Collections.Generic.IEnumerable<TSource>, System.Collections.Gene...
How do I parse command line arguments in Bash?
...er positional arguments (also requested by the OP); and it ignores parsing-errors. Instead:
Use enhanced getopt from util-linux or formerly GNU glibc.1
It works with getopt_long() the C function of GNU glibc.
Has all useful distinguishing features (the others don’t have them):
handles spaces, ...
How can I specify a branch/tag when adding a Git submodule?
...and after doing $ git submodule update --init --remote TestModule I got an error saying fatal: Needed a single revision and Unable to find current origin/TestTag revision in submodule path 'TestModule'. When doing it with a real branch it works. Is there anyway to specify a tag in .gitmodules withou...
How to use timeit module
...7, 1000) vs. .repeat(2, 3500) vs .repeat(35, 200) should depend on how the error due to system load compares to the error due to input variability. In the extreme case if your system is always under heavy load, and you see a long thin tail on the left of execution time distribution (when you catch i...