大约有 47,000 项符合查询结果(耗时:0.0449秒) [XML]
Can “list_display” in a Django ModelAdmin display attributes of ForeignKey fields?
...ok.author
get_author.short_description = 'Author'
get_author.admin_order_field = 'book__author'
share
|
improve this answer
|
follow
|
...
Is storing a delimited list in a database column really that bad?
...alues to the lookup table they reference.
Hard to fetch the list in sorted order.
To solve these problems, you have to write tons of application code, reinventing functionality that the RDBMS already provides much more efficiently.
Comma-separated lists are wrong enough that I made this the first c...
Installing Python 3 on RHEL
...opt/local, just add --prefix=/opt/local.
After the make install step: In order to use your new Python installation, it could be, that you still have to add the [prefix]/bin to the $PATH and [prefix]/lib to the $LD_LIBRARY_PATH (depending of the --prefix you passed)
...
@OneToMany List vs Set difference
... column specified, will just be handled as a bag by Hibernate (no specific ordering).
One notable difference in the handling of Hibernate is that you can't fetch two different lists in a single query. For example, if you have a Person entity having a list of contacts and a list of addresses, you w...
How to Right-align flex item?
... justify-content: space-between;
}
.a, .b, .c { background: #efefef; border: 1px solid #999; }
.b { text-align: center; }
<h2>With title</h2>
<div class="main">
<div class="a"><a href="#">Home</a></div>
<div class="b"><a href="#"&g...
How does the Comma Operator work
... guaranteed to have its three subexpressions (a+b, c() and d) evaluated in order. This is significant if they have side-effects. Normally compilers are allowed to evaluate subexpressions in whatever order they find fit; for example, in a function call:
someFunc(arg1, arg2, arg3)
arguments can be ...
How can I reverse the order of lines in a file?
I'd like to reverse the order of lines in a text file (or stdin), preserving the contents of each line.
25 Answers
...
Java 8 Iterable.forEach() vs foreach loop
... but "join" doesn't really seem like something that can be exexuted out-of order.
– Eugene Loy
May 19 '13 at 14:18
...
How to use phpexcel to read data and insert into database?
...
In order to read data from microsoft excel 2007 by codeigniter just create a helper function excel_helper.php and add the following in:
require_once APPPATH.'libraries/phpexcel/PHPExcel.php';
require_once APPPATH.'l...
In Python, how do I iterate over a dictionary in sorted key order?
...
@HowerHell use a collections.OrderedDict then you sort once & get items in sorted order always.
– Mark Harviston
Jun 3 '13 at 15:23
...