大约有 35,100 项符合查询结果（耗时：0.0378秒） [XML]
How can I temporarily disable a foreign key constraint in MySQL?
...
Try DISABLE KEYS or
SET FOREIGN_KEY_CHECKS=0;
Make sure to
SET FOREIGN_KEY_CHECKS=1;
after.
share
|
improve this answer
|
...
Why are Python's 'private' methods not actually private?
...d variables within a class by prepending double underscores to the name, like this: __myPrivateMethod() . How, then, can one explain this
...
Exactly what is a “third party”? (And who are the first and second party?)
I know precisely what a "third-party library" is, so I assume that the "third-party" in this case, simply is an arbitrary person/company other than the developer?
...
When does a process get SIGABRT (signal 6)?
...s the calling process the SIGABRT signal, this is how abort() basically works.
abort() is usually called by library functions which detect an internal error or some seriously broken constraint. For example malloc() will call abort() if its internal structures are damaged by a heap overflow.
...
Finding diff between current and last version
... "last version".
As the previous commit can be accessed with HEAD^, I think that you are looking for something like:
git diff HEAD^ HEAD
As of Git 1.8.5, @ is an alias for HEAD, so you can use:
git diff @~..@
The following will also work:
git show
If you want to know the diff between head ...
Retrieving the last record in each group - MySQL
...
MySQL 8.0 now supports windowing functions, like almost all popular SQL implementations. With this standard syntax, we can write greatest-n-per-group queries:
WITH ranked_messages AS (
SELECT m.*, ROW_NUMBER() OVER (PARTITION BY name ORDER BY id DESC) AS rn
FROM mes...
How do I find duplicate values in a table in Oracle?
...
Bill the LizardBill the Lizard
358k168168 gold badges534534 silver badges830830 bronze badges
...
Convert character to ASCII numeric value in java
...improves readability.
int ascii = character; // Even this will do the trick.
share
|
improve this answer
|
follow
|
...
Oracle Differences between NVL and Coalesce
...
Jon Heller
30.3k33 gold badges6262 silver badges110110 bronze badges
answered Jun 4 '09 at 12:03
QuassnoiQuassnoi
...
What does cherry-picking a commit with Git mean?
Recently, I have been asked to cherry-pick a commit.
12 Answers
12
...