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...集。
例2.3
sets:
product/A B/;
machine/M N/;
week/1..2/;
allowed(product,machine,week):x;
endsets
LINGO生成了三个父集的所有组合共八组作为allowed集的成员。列表如下：
编号 成员
1 (A,M,1)
2 2 (A,M,2...
Vim: What's the difference between let and set?
...iendly interface specialized for options
E.g.
:verbose set
to display all options in effect.
:set tw=40
Will work as a shorthand for set textwidth=40
:set wrap&
Will set the default value for option wrap
:set nowrap
Will unset the option
:set wrap!
Will toggle the option
Most i...
Print a string as hex bytes?
... Note that in python3, the concept of printing a str as hex doesn't really make sense; you'll want to print bytes object as hex (convert str to bytes by calling .encode()).
– mic_e
May 8 '15 at 12:53
...
How to define two fields “unique” as couple
...unique in that case.
– Greg
Jun 27 '11 at 17:28
27
FYI it throws a django.db.utils.IntegrityError...
Is Mono ready for prime time? [closed]
...s it take a lot of effort to port projects to the Mono runtime, or is it really, really compatible enough to just take of and run already written code for Microsoft's runtime?
...
Why is \r a newline for Vim?
...This answer helped me the most. Also, for more information, :h :s%, especially the last paragraph. (via :h :s)
– dipnlik
Oct 20 '14 at 12:56
...
Jasmine.js comparing arrays
...
this falls back on "==" in javascript by default. This is just not safe since not only the actual values are compared, but the whole object.
– Peter
Nov 12 '14 at 11:00
...
Remove refs/original/heads/master from git repo after filter-branch --tree-filter?
... as a backup, in case you mess up your filter-branch. Believe me, it's a really good idea.
Once you've inspected the results, and you're very confident that you have what you want, you can remove the backed up ref:
git update-ref -d refs/original/refs/heads/master
or if you did this to many refs...
Is an index needed for a primary key in SQLite?
...x be explicitly created for it as well? SQLite does not appear to automatically create an index for a primary key column, but perhaps it indexes it anyway, given its purpose? (I will be searching on that column all the time).
...
How do I remove diacritics (accents) from a string in .NET?
I'm trying to convert some strings that are in French Canadian and basically, I'd like to be able to take out the French accent marks in the letters while keeping the letter. (E.g. convert é to e , so crème brûlée would become creme brulee )
...