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Run all SQL files in a directory
... /S <servername> /d <dbname> /E /i "%f" >> sql.log 2>&1) You can read more about redirection of output here
– danijelk
Sep 1 '16 at 15:23
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Invalid date format specification in gemspec
...o update rubygems to 1.8.15 by issuing:
sudo gem install rubygems-update && update_rubygems
Everything worked after that, good luck! :)
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How to access command line arguments of the caller inside a function?
...you can use $@ and $#.
$# gives you the number of arguments.
$@ gives you all arguments. You can turn this into an array by args=("$@").
So for example:
args=("$@")
echo $# arguments passed
echo ${args[0]} ${args[1]} ${args[2]}
Note that here ${args[0]} actually is the 1st argument and not the ...
Is there a way to perform “if” in python's lambda
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The syntax you're looking for:
lambda x: True if x % 2 == 0 else False
But you can't use print or raise in a lambda.
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Disable individual Python unit tests temporarily
... so. You could just get this module and use it on your existing Python install. It will probably work.
Before this, I used to rename the tests I wanted skipped to xtest_testname from test_testname.
Here's a quick elisp script to do this. My elisp is a little rusty so I apologise in advance for ...
Why do we need virtual functions in C++?
...is called via an intermediate function (a trivial function just for this example):
// This can go at the top of the main.cpp file
void func(Animal *xyz) { xyz->eat(); }
Now our main function is:
Animal *animal = new Animal;
Cat *cat = new Cat;
func(animal); // Outputs: "I'm eating generic fo...
Fastest way to download a GitHub project
...n't see download zip for this. How to download this link? github.com/maryo/php-5.5-windows-extensions/tree/master/…
– Airy
Jan 8 '14 at 14:25
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Naming returned columns in Pandas aggregate function? [duplicate]
...er, this does not work with lambda functions, since they are anonymous and all return <lambda>, which causes a name collision:
>>> df.groupby('A').agg({'B': [lambda x: x.min(), lambda x: x.max]})
SpecificationError: Function names must be unique, found multiple named <lambda>
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How to make my custom type to work with “range-based for loops”?
...eturn something that acts like an iterator
Create a free function begin(X&) and end(X&) that return something that acts like an iterator, in the same namespace as your type X.¹
And similar for const variations. This will work both on compilers that implement the defect report changes, a...
CSS \9 in width property
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\9 is a "CSS hack" specific to Internet Explorer 7, 8, & 9.
This simply means that the one specific line of CSS ending with a \9; in place of the ; is only valid in IE 7, 8, & 9.
In your example,
width: 500px\9; means that a width of 500 pixels (same result as width: 50...