大约有 34,900 项符合查询结果（耗时：0.0391秒） [XML]
How exactly to use Notification.Builder
...ate: the NotificationCompat.Builder class has been added to the Support Package so we can use this to support API level v4 and up:
http://developer.android.com/reference/android/support/v4/app/NotificationCompat.Builder.html
...
How to update a single library with Composer?
I need to install only 1 package for my SF2 distribution (DoctrineFixtures).
8 Answers
...
What's the proper way to install pip, virtualenv, and distribute for Python?
...alenv:
http://pypi.python.org/pypi/virtualenv
https://pypi.python.org/packages/source/v/virtualenv/virtualenv-12.0.7.tar.gz
(or whatever is the latest version!)
Unpack the source tarball
Use the unpacked tarball to create a clean virtual environment. This virtual environment will be used to "boot...
MySQL DISTINCT on a GROUP_CONCAT()
...
Daniel Vassallo
301k6666 gold badges475475 silver badges424424 bronze badges
answered Jun 21 '10 at 9:41
NaktibaldaNakti...
How to calculate number of days between two given dates?
...
DanaDana
27.1k1616 gold badges5858 silver badges7272 bronze badges
...
What's the difference between array_merge and array + array?
...
The difference is:
The + operator takes the union of the two arrays, whereas the array_merge function takes the union BUT the duplicate keys are overwritten.
share
|
...
Adding a column to an existing table in a Rails migration
... (rails generate migration add_email_to_users email:string will do the trick).
It will create a migration file containing line:
add_column :users, email, string
Then do a rake db:migrate and it'll run the new migration, creating the new column.
If you have not yet run the original migration you can...
What is the difference between `throw new Error` and `throw someObject`?
...rors to occur before control is automatically transferred from the try block to the catch block, you can also explicitly throw your own exceptions to force that to happen on demand. This is great for creating your own definitions of what an error is and when control should be transferred to catch.
...
How to force R to use a specified factor level as reference in a regression?
...
Gavin SimpsonGavin Simpson
152k2424 gold badges354354 silver badges415415 bronze badges
...
View more than one project/solution in Visual Studio
...und with some Windows Services. I have created two solutions and I would like to view both of them at once. Without having to click file->recent projects to switch back and forth.
...