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How to pass arguments to a Button command in Tkinter?
... library functools, like this:
from functools import partial
#(...)
action_with_arg = partial(action, arg)
button = Tk.Button(master=frame, text='press', command=action_with_arg)
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Using the rJava package on Win7 64 bit with R
...nually setting the PATH or JAVA_HOME. However note that:
To use rJava in 32-bit R, you need Java for Windows x86
To use rJava in 64-bit R, you need Java for Windows x64
To build or check R packages with multi-arch (the default) you need to install both Java For Windows x64 as well as Java for Win...
When should I use C++14 automatic return type deduction?
...he reason it's int* is because that's what std::vector<int>::iterator_type is with your current build options!
– Steve Jessop
Apr 13 '18 at 12:16
...
How do I delete an exported environment variable?
...er Klingenberg
27.6k11 gold badge1515 silver badges2323 bronze badges
5
...
namespaces for enum types - best practices
...m
{
Red,
Blue,
Green,
Yellow
} enum_type;
private:
enum_type _val;
public:
Color(enum_type val = Blue)
: _val(val)
{
assert(val <= Yellow);
}
operator enum_type() const
{
return _val;
}
};
void SetPenC...
How to deal with floating point number precision in JavaScript?
... User that is not a user
54288 silver badges2323 bronze badges
answered Aug 9 '10 at 12:30
Michael BorgwardtMichael Borgwardt
...
Combine --user with --prefix error with setup.py install
...
gotgenesgotgenes
32.1k2626 gold badges8888 silver badges119119 bronze badges
...
How can I list all foreign keys referencing a given table in SQL Server?
...
Not sure why no one suggested but I use sp_fkeys to query foreign keys for a given table:
EXEC sp_fkeys 'TableName'
You can also specify the schema:
EXEC sp_fkeys @pktable_name = 'TableName', @pktable_owner = 'dbo'
Without specifying the schema, the docs state ...
How to create new tmux session if none exists
...ause with a small tweak this works with named sessions: tmux attach -t some_name || tmux new -s some_name. Change some_name to $1 add a shebang, and save.
– Cheezmeister
Jan 9 '14 at 4:48
...
Is there a better alternative than this to 'switch on type'?
...
Callum Watkins
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answered Nov 18 '08 at 15:44
JaredParJaredPar
...