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Making schema changes is a matter of changing the various pieces the Python code and the database itself in the right order.
修改表结构也就是按照正确的顺序修改各种Python代码和数据库本身
Sure, that uses the template system, but it doesnt solve the problems we pointed out in the introduction of this chapter. Namely, the template is still embedded in the Python code. Lets fix that by putting the template in a separate file, which this view will load.
Iterators are a powerful concept for array processing. Essentially, iterators implement a generalized for-loop. If myiter is an iterator object, then the Python code
Can I view the Python code in parallel with coding blocks in the latest version of mBlock 5?
3、最新版本的慧编程不支持积木查看对应的Python代码吗?
Weve so far been producing views by hard-coding HTML into the Python code. Unfortunately, this is nearly always a bad idea. Luckily, Django ships with a simple yet powerful template engine that allows you to separate the design of the page from the underlying code. Well dive into Djangos template engine in the next chapter.
The execution will now stop at the corresponding C function and you can step through it as usual. With the Python extensions for gdb installed (often the default on Linux), a number of useful Python-specific commands are available. For example to see where in the Python code you are, use py-list. For more details, see DebuggingWithGdb.
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