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List of foreign keys and the tables they reference
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@roshan Now that you mention it, the column order feels a bit odd :) Obviously five years ago I wouldn't have thought that this answer would be viewed by so many!
– Vincent Malgrat
May 22 '14 at 8:03
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Split data frame string column into multiple columns
...oses it into 2 vectors with a single value in each. paste0 is just used in order to create the column names, it is not used on the values. On the LHS of the equation are the column names, on the RHS is the split + transpose operation on the column. := stands for "assign in place", hence you don't se...
What is a “surrogate pair” in Java?
..."chars" long, totaling 6 "chars". All 6 "chars" must be kept together, in order (i.e. not reversed), when reversing the entire string of characters.
– Triynko
Aug 9 '13 at 6:52
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Grep and Sed Equivalent for XML Command Line Processing
...am, and pass in the arguments' array in the script to hpricot? E.g., in a PHP shell script, something like the following should work: <?php /path/to/hpricot $argv ?>
– alastairs
Sep 18 '08 at 20:45
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Python nonlocal statement
...rstensen you could pass the function as an arg that's the beauty of higher order functions. Also in functional programming this is called composition, python is not a pure FP language but you can certainly play with a features (generators, higher order functions are some examples)
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python design patterns [closed]
...called, appear when similar problems are addressed using a dynamic, higher-order, object-oriented programming language. Some of the patterns disappear -- that is, they are supported directly by language features, some patterns are simpler or have a different focus, and some are essentially unchanged...
In WPF, what are the differences between the x:Name and Name attributes?
...erence
WPF defines a CLR attribute that is consumed by XAML processors in order to map multiple CLR namespaces to a single XML namespace. The XmlnsDefinitionAttribute attribute is placed at the assembly level in the source code that produces the assembly. The WPF assembly source code uses this attr...
What is the $$hashKey added to my JSON.stringify result
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and if you have a filter to apply, here is the correct order: item in somelist | filter:somefilter track by item.key, don't write the filter at the end of the line !
– Lewen
Mar 22 '16 at 21:16
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examining history of deleted file
...t this error message: svn cat [url]/trunk/include/syeka/poster_funk.incl.php -r 50 > out.txt svn: '/admintools/!svn/bc/131/trunk/include/syeka/poster_funk.incl.php' path not found See @Bert Huijben's response further down this thread for a working solution.
– Keith Palmer...
Pandas - Get first row value of a given column
.... See below for an explanation of why. Because a subtle difference in
the order of indexing makes a big difference in behavior, it is better to use single indexing assignment:
df.iloc[0, df.columns.get_loc('Btime')] = x
df.iloc[0, df.columns.get_loc('Btime')] = x (recommended):
The recommende...