大约有 44,000 项符合查询结果（耗时：0.0666秒） [XML]
Possible to do a MySQL foreign key to one of two possible tables?
... do take advantage of database-enforced referential integrity:
Create one extra table per target. For example popular_states and popular_countries, which reference states and countries respectively. Each of these "popular" tables also reference the user's profile.
CREATE TABLE popular_states (
...
Why does 'git commit' not save my changes?
...ific example, you can use:
git commit -am "save arezzo files"
(note the extra a in the flags, can also be written as git commit -a -m "message" - both do the same thing)
Alternatively, if you want to be more selective about what you add to the commit, you use the git add command to add the appro...
Cmake vs make sample codes?
...by passing it to CMake when invoking the program: cmake -DCMAKE_BUILD_TYPE:STRING=Debug.
CMake offers also the platform independent inclusion of the '-fPIC' flag (via
the POSITION_INDEPENDENT_CODE property) and many others. Still, more obscure settings can be implemented by hand in CMake just as we...
How to check the extension of a filename in a bash script?
...
If you want to specify an inequality, remember to include extra brackets: if [[ ${file: -4} != ".txt" ]]
– Ram Rajamony
Jul 20 '13 at 23:38
...
View HTTP headers in Google Chrome?
...that allows you to view request-, response headers and cookies without any extra clicks right after the page is loaded.
It also handles redirects. It comes with an unobtrusive micro-mode that only shows a hand picked selection of response headers and a normal mode that shows all the information.
h...
Java Annotations
...tions and annotation processor.
They're great for generating code, adding extra validations during your build, and I've also been using them for an error message framework (not yet published -- need to clear with the bosses...).
...
How to iterate through range of Dates in Java?
...is is the cleanest one when you're working with old code. Just throw in an extra static import for addDays(..) and it gets even shorter.
– Priidu Neemre
Jul 22 '19 at 13:59
...
Wrapping chained method calls on a separate line in Eclipse for Java
...tion from me (Eclipse neon): When I set Indent on column, it sometimes add extra space; for example session.createQuery becomes session .createQuery and so on. Reverting to the default option sorted the problem for me though.
– Sayan Pal
Nov 29 '16 at 7:16
...
Can't update Macports (with Mac OS X Mavericks)
...finishes... after 30 minutes or so it threw an error
Unable to open port: extra characters after close-quote
So i did self update again and upgrade outdated seems to run again...
So looks like it can be done (LAMP all working anyway) - it might have been quicker to start again from scratch, but ...
How to import existing Android project into Eclipse?
... Having to crate new folders and copy things around seems like unnecessary extra work and confusion.
– JStrahl
Apr 2 '12 at 19:50
...