大约有 40,000 项符合查询结果（耗时：0.0324秒） [XML]
Postgres unique constraint vs index
...ERROR: duplicate key value violates unique constraint "master_con_id_key"
DETAIL: Key (con_id)=(0) already exists.
test=# insert into master values (1, 0);
ERROR: duplicate key value violates unique constraint "master_unique_idx"
DETAIL: Key (ind_id)=(0) already exists.
test=#
It works as expe...
How do I get the value of text input field using JavaScript?
...nks
To see the support of these methods with all the bugs including more details click here
Difference Between Static collections and Live collections click Here
Difference Between NodeList and HTMLCollection click Here
s...
Git: how to reverse-merge a commit?
...on.github.com/git/git-merge.html
git merge discussion (confusing but very detailed):
http://schacon.github.com/git/howto/revert-a-faulty-merge.txt
share
|
improve this answer
|
...
How to modify Github pull request？
... https://api.github.com/repos/:owner/:repo/pulls/:number
you can find the detailled list of data in github developer doc
example : change name of my pull request
curl --user "jeremyclement" \
--request PATCH \
--data '{"title":"allows the control of files and folders permissions."}' \
...
JavaScript to scroll long page to DIV
...s how to implement a specific feature, perhaps he wanted to know technical details but you don't know that any more than I do.
– George Mauer
Feb 23 '10 at 16:59
4
...
Go naming conventions for const
...ollects common comments made during reviews of Go code, so
that a single detailed explanation can be referred to by shorthands.
This is a laundry list of common mistakes, not a style guide.
You can view this as a supplement to
http://golang.org/doc/effective_go.html.
Mixed Caps
...
Gradle, “sourceCompatibility” vs “targetCompatibility”?
...uage level and target is the level of the bytecode that is generated.
More details can be found in the javac the cross compilation section.
share
|
improve this answer
|
foll...
Using Rails serialize to save hash to database
...:users, :location_data, :json, default: {}
end
end
ORIGINAL:
For more details: rails docs && apidock
Make sure your column is :text and not :string
Migration:
$ rails g migration add_location_data_to_users location_data:text
should create:
class Migration0001
def change
add_c...
SVN repository backup strategies
...nsync is running! The resulting copy may be corrupted. See this thread for details: subversion.open.collab.net/ds/…
– zvolkov
Nov 29 '11 at 18:27
...
What is `git diff --patience` for?
...nteresting and providing good explanation with further links to algorithms details: fabiensanglard.net/git_code_review/diff.php Hope it will be useful to someone
– SathOkh
Jun 24 '14 at 20:25
...