大约有 40,000 项符合查询结果（耗时：0.0522秒） [XML]
What is the easiest way to duplicate an activerecord record?
...a copy, use the clone (or dup for rails 3.1+) method:
# rails < 3.1
new_record = old_record.clone
#rails >= 3.1
new_record = old_record.dup
Then you can change whichever fields you want.
ActiveRecord overrides the built-in Object#clone to give you a new (not saved to the DB) record with a...
Python Requests throwing SSLError
...or Humans).
False: bypasses certificate validation completely.
Path to a CA_BUNDLE file for Requests to use to validate the certificates.
Source: Requests - SSL Cert Verification
Also take a look at the cert parameter on the same link.
...
What Vim command(s) can be used to quote/unquote words?
...ile converting some MSDOS scripts to bash.
– ILMostro_7
Mar 26 '14 at 7:57
@Geoff, it works fine for single quotes. bu...
How to log out user from web site using BASIC authentication?
...nd FF. I only had to do an extra "GET" on my logout.php page to clear the $_SESSION.
– urban
Oct 9 '15 at 10:08
2
...
Give all the permissions to a user on a DB
...user needs access to the database, obviously:
GRANT CONNECT ON DATABASE my_db TO my_user;
And (at least) the USAGE privilege on the schema:
GRANT USAGE ON SCHEMA public TO my_user;
Or grant USAGE on all custom schemas:
DO
$$
BEGIN
-- RAISE NOTICE '%', ( -- use instead of EXECUTE to see ge...
Should I use char** argv or char* argv[]?
...rchangeable in function parameter lists. See http://en.wikipedia.org/wiki/C_(programming_language)#Array-pointer_interchangeability.
share
|
improve this answer
|
follow
...
Vim: What's the difference between let and set?
...ple, this function uses let to assign the value in the global variable orig_tw to the textwidthoption:
" Toggle Autowrap
" Default of 72 but can be overridden by tw settings in other vimrc files
let g:orig_tw = 72
function Toggle_autowrap_mode()
if &textwidth == 0
" Must use let ins...
How to get rid of punctuation using NLTK tokenizer?
... quite understand how to get a list of words from text. If I use nltk.word_tokenize() , I get a list of words and punctuation. I need only the words instead. How can I get rid of punctuation? Also word_tokenize doesn't work with multiple sentences: dots are added to the last word.
...
Imitate Facebook hide/show expanding/contracting Navigation Bar
...
@PedroRomão great answer.
– Gagan_iOS
Dec 20 '16 at 8:01
add a comment
|
...
What is the difference between atomic and critical in OpenMP?
...
The effect on g_qCount is the same, but what's done is different.
An OpenMP critical section is completely general - it can surround any arbitrary block of code. You pay for that generality, however, by incurring significant overhead eve...