大约有 40,000 项符合查询结果（耗时：0.0554秒） [XML]
What is the difference between object keys with quotes and without quotes?
...
add a comment
|
126
...
getSupportActionBar from inside of Fragment ActionBarCompat
I'm starting a new project that uses the AppCompat/ActionBarCompat in v7 support library. I'm trying to figure out how to use the getSupportActionBar from within a fragment. My activity that hosts the fragment extends ActionBarActivity , but I don't see a similar support class for Fragments.
...
Linq to SQL how to do “where [column] in (list of values)”
...
add a comment
|
26
...
How should I edit an Entity Framework connection string?
...Excellent. This is exactly the answer I was looking for. Just to be safe I commented out the existing string (rather than delete it), saved the app.config changes, right-clicked the designer and chose Update Model From Database. The wizard then let me include the sensitive info (uid & pwd) in th...
ARC and bridged cast
...e remenicent of grasping autoreleasing. (interestingly enough: ARC fixes a common pattern like getting an object out of a dictionary and then removing it before using it, etc.)
– monkeydom
Apr 13 '12 at 16:16
...
How to delete a word and go into insert mode in Vim?
..." by typing "ciw" to delete a word your cursor is on.
The "inner" and "a" commands are great in Vim, also try "ci{" inside a {} block, or "ca{" if you also wish to remove the {} characters too. To translate these commands to English to remember them better, try: "change inner { block" and "change ...
How to specify a multi-line shell variable?
...
set -e exits the shell if a command has an "unanticipated" non-zero exit status. By "unanticipated", I mean it runs in a context where you aren't specifically looking at its exit status. false by itself, for instance, would exit the shell. false || true...
Discard all and get clean copy of latest revision?
...ss will have modified some files and added some files that I don't want to commit, so I have local changes and files that aren't added to the repository.
...
Must qualify the allocation with an enclosing instance of type GeoLocation
...
add a comment
|
101
...
How to create a new database using SQLAlchemy?
...amed postgres to use the postgres role, so the simplest thing is to just become that user. At any rate, create an engine as usual with a user that has the permissions to create a database:
>>> engine = sqlalchemy.create_engine("postgres://postgres@/postgres")
You cannot use engine.execu...