大约有 35,487 项符合查询结果（耗时：0.0439秒） [XML]
Android: What is better - multiple activities or switching views manually?
...
answered Jan 15 '10 at 14:49
Dan LewDan Lew
79.2k2727 gold badges176176 silver badges174174 bronze badges
...
How do I add a foreign key to an existing SQLite table?
...
202
You can't.
Although the SQL-92 syntax to add a foreign key to your table would be as follows...
CSS3 box-sizing: margin-box; Why not?
...
Couldn't you use width: calc(50% - 24px); for your cols? Then set your margins.
share
|
improve this answer
|
follow
...
No visible cause for “Unexpected token ILLEGAL”
...ible character in the code, right after the semicolon. It's the Unicode U+200B Zero-width space character (a.k.a. ZWSP, HTML entity ​). That character is known to cause the Unexpected token ILLEGAL JavaScript syntax error.
And where did it come from?
I can't tell for sure, but my bet is on...
How many database indexes is too many?
...
|
edited Sep 27 '08 at 9:10
answered Sep 26 '08 at 18:52
...
adb not finding my device / phone (MacOS X)
...
+50
Additonal Update : Do not underestimate the value of a good USB cable. Sometimes just swapping cables will help.
Update for newer ver...
What's a concise way to check that environment variables are set in a Unix shell script?
...oughts on this discussion? https://github.com/koalaman/shellcheck/issues/380#issuecomment-145872749
The gist of the discussion is:
… However, when I shellcheck it (with version 0.4.1), I get this message:
In script.sh line 13:
: ${FOO:?"The environment variable 'FOO' must be set and non-empty"}...
How can I add new keys to a dictionary?
...
cs95
231k6060 gold badges390390 silver badges455455 bronze badges
answered Jun 21 '09 at 22:09
Paolo Bergantino...
Multiple Updates in MySQL
...
+50
Yes, that's possible - you can use INSERT ... ON DUPLICATE KEY UPDATE.
Using your example:
INSERT INTO table (id,Col1,Col2) VALUES (...
How to edit multi-gigabyte text files? Vim doesn't work =( [closed]
...
|
edited Jul 10 '14 at 14:05
TRiG
8,81955 gold badges4343 silver badges9696 bronze badges
an...