大约有 40,000 项符合查询结果（耗时：0.0480秒） [XML]
Access Asset Catalog programmatically
...
In order to access the image from the Asset Catalog, you only need to access the name of the asset group without any extensions.
So, if you add an image named @"my-button@2x.png" to the Asset Catalog, it will create an asset gr...
Why use try {} finally {} with an empty try block?
...ted
finally blocks are executed before the
thread is aborted”. So in order to
guarantee that your processing
finishes even if your thread is
aborted in the middle by someone
calling Abort on your thread, you can
place all your code in the finally
block (the alternative is to write
...
What are the Differences Between “php artisan dump-autoload” and “composer dump-autoload”?
...ill need to run composer dump-autoload as well as artisan dump-autoload in order to get all autoloads right. Example: After a migrate:make, you need a composer dump-autoload in order to do a migrate:rollback. artisan dump-autoload does not work here.
– woens
Ma...
Difference between Fact table and Dimension table?
...out a primary key. For example, a sales table with columns, cust_id, date_ordered, qty, time, location can have all records same if he/she ordered in the same day / same location / same qty twice.
– Manikandan Kbk DIP
Aug 26 at 9:48
...
What is the mouse down selector in CSS?
... Add in that case I would style the button more fully. By adding a border:0; you lose the bezel around the button and the issue you are having.
– jansmolders86
May 23 '13 at 14:04
...
TransactionManagementError “You can't execute queries until the end of the 'atomic' block” while usi
...manage.py test -r instead of python manage.py test is ok for me, maybe the order of execution is crucial
then i find a doc about Order in which tests are executed, It mentions which test will run first.
So, i use TestCase for database interaction, unittest.TestCase for other simple test, it works ...
Entity Framework 4 Single() vs First() vs FirstOrDefault()
...turned by a query but you only want to access the first item in your code (ordering could be important in the query here). This will throw an exception if the query does not return at least one item.
FirstOrDefault() - when you expect zero or more items to be returned by a query but you only want to...
Running a command in a Grunt Task
...commands inside a batch or shell which calls the commands in you preferred order. Or you define task e.g. mycmds and write "exec:cmd1", "exec:cmd2" then you also have synchronously order.
– Sebastian
Aug 12 '14 at 9:18
...
error, string or binary data would be truncated when trying to insert
...ason was that in an INSERT statement that received data from an UNION, the order of the columns was different from the original table. If you change the order in #table3 to a, b, c, you will fix the error.
select a, b, c into #table1
from #table0
insert into #table1
select a, b, c from #table2...
Why compile Python code?
...ete and whatever benefits you gained are lost. You need to recompile it in order to get the .pyc or .pyo benefits back again again, such as they may be.
Drawbacks:
First: There's a "magic cookie" in .pyc and .pyo files that indicates the system architecture that the python file was compiled in. If...