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How to configure git push to automatically set upstream without -u?
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You can now do git config --global push.default current.
– Andrea Bergonzo
Feb 12 '18 at 23:03
2
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How to get the original value of an attribute in Rails
...flow.com/a/50973808/9359123
Appending _was is deprecated in rails 5.1, now you should append _before_last_save
Something like:
before_save object
do_something_with object.name_before_last_save
end
Will return the name value before your last save at database (works for save and create)
The...
how to use javascript Object.defineProperty
...-shop owner might realize that the discount can't be greater than say 80%. Now you need to find EVERY occurence of the discount modification in the client code and add a line
if(obj.discount>80) obj.discount = 80;
Then the e-shop owner may further change his strategy, like "if the customer is ...
Pandas percentage of total with groupby
...r
19 s ± 77.1 ms per loop
(mean ± std. dev. of 7 runs, 1 loop each)
So now we see x10 speed up on large, high cardinality datasets.
Be sure to UV these three answers if you UV this one!!
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ctypes - Beginner
...gt;
void myprint(void);
void myprint()
{
printf("hello world\n");
}
Now compile it as a shared library (mac fix found here):
$ gcc -shared -Wl,-soname,testlib -o testlib.so -fPIC testlib.c
# or... for Mac OS X
$ gcc -shared -Wl,-install_name,testlib.so -o testlib.so -fPIC testlib.c
Then, w...
How to map calculated properties with JPA and Hibernate
...e::numeric / 100) * " +
" cents * " +
" date_part('month', age(now(), createdOn)" +
") " +
"/ 12) " +
"/ 100::numeric")
private double interestDollars;
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improve this ...
Pass in an array of Deferreds to $.when()
....my_array).then( ___ );
In either case, since it's unlikely that you'll known in advance how many formal parameters the .then handler will require, that handler would need to process the arguments array in order to retrieve the result of each promise.
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SVN: Folder already under version control but not comitting?
...y. Remember to delete all .svn hidden directories from the copied folder.
Now update your project, clean-up and commit what has left. Now move your folder back to working directory, add it and commit. Most of the time this workaround works, it seems that basically SVN got confused...
Update: quoti...
Can comments be used in JSON?
...n the processes that generates/receives the JSON, as they are supposed to know what the JSON data will be in advance, or at least the structure of it.
But if you decided to:
{
"_comment": "comment text goes here...",
"glossary": {
"title": "example glossary",
"GlossDiv": {
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MongoDB vs. Cassandra [closed]
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He already has escaped from transactions for good => now infinite scalability might be possible .. otherwise -> not :)
– bodrin
Oct 14 '15 at 14:44
1
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