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Separation of business logic and data access in django
...cation. Your users will appreciate this :-)
Expressing Commands
Django provides two easy ways of expressing commands; they are both valid options and it is not unusual to mix the two approaches.
The service layer
The service module has already been described by @Hedde. Here you define a separate mod...
How to get process ID of background process?
...
You need to save the PID of the background process at the time you start it:
foo &
FOO_PID=$!
# do other stuff
kill $FOO_PID
You cannot use job control, since that is an interactive feature and tied to a controlling terminal. A script will ...
Select2 doesn't work when embedded in a bootstrap modal
...in bootstrap modal, I can't type anything into it. It's like disabled? Outside the modal select2 works fine.
29 Answers
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ASP.NET MVC 3: Override “name” attribute with TextBoxFor
Is it possible when using Html.TextBoxFor to override the name attribute?
11 Answers
...
How to change menu item text dynamically in Android
I'm trying to change the title of a menu item from outside of the onOptionsItemSelected(MenuItem item) method.
11 Answers...
What are database normal forms and can you give examples? [closed]
.... Recall that a primary key can be made up of multiple columns. As Chris said in his response:
The data depends on the key [1NF], the whole key [2NF] and nothing but the key [3NF] (so help me Codd).
2NF
Say you have a table containing courses that are taken in a certain semester, and you have the...
Jquery insert new row into table at a certain index
...$('#my_table > tbody:last').append(newRow); // this will add new row inside tbody
$("table#myTable tr").last().after(newRow); // this will add new row outside tbody
//i.e. between thead and tbody
//.befor...
How to add local jar files to a Maven project?
...ws:
mvn install:install-file \
-Dfile=<path-to-file> \
-DgroupId=<group-id> \
-DartifactId=<artifact-id> \
-Dversion=<version> \
-Dpackaging=<packaging> \
-DgeneratePom=true
Where each refers to:
<path-to-file>: the path to the file to load ...
OceanBase使用libeasy原理源码分析：客户端 - 数据库(内核) - 清泛网 - 专...
...sy_list_t session_list_node;
//为了快速根据packet id定位到发送队列中的session，将session加入到发送队列中时，同时，将其加入到一个hash表中，hash表采用链表的方式将同一个bucket的元素连接起来，
//链表元素就是easy_...
How can I get browser to prompt to save password?
...page, unfortunately, my solution doesn't work.) Then, we can use
<form id='loginForm' action='signedIn.xxx' method='post'>
<input type='text' name='username'>
<input type='password' name='password'>
<button id='loginButton' type='button'>Login</button>
<...