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Difference between doseq and for in Clojure
...e's answer is
(for [x [1 2 3]] (println x))
At the REPL, this will generally do what you want, but that's basically a coincidence: the REPL forces the lazy sequence produced by for, causing the printlns to happen. In a non-interactive environment, nothing will ever be printed. You can see this in...
Difference between FOR and AFTER triggers?
...
AFTER specifies that the DML trigger is fired only when all operations specified in the triggering SQL statement have executed successfully. All referential cascade actions and constraint checks also must succeed before this trigger fires.
AFTER is the default when FOR is the onl...
Why use symbols as hash keys in Ruby?
...saves memory, because they are only stored once.
Symbols in Ruby are basically "immutable strings" .. that means that they can not be changed, and it implies that the same symbol when referenced many times throughout your source code, is always stored as the same entity, e.g. has the same object id...
Can you list the keyword arguments a function receives?
...)
(['a', 'b', 'c'], 'args', 'kwargs', (42,))
If you want to know if its callable with a particular set of args, you need the args without a default already specified. These can be got by:
def getRequiredArgs(func):
args, varargs, varkw, defaults = inspect.getargspec(func)
if defaults:
...
Deep Learning（深度学习）学习笔记整理系列之（二） - 大数据 & AI - 清泛...
Deep Learning（深度学习）学习笔记整理系列之（二）Deep_Learning_Series_2Deep Learning,深度学习,笔记Deep Learning（深度学习）学习笔记整理系列zouxy09@qq.comhttp: blog.csdn.net zouxy09作者：Zouxyversion 1.0 2013-04-08原文网址：h...Deep Learning（深度学...
Deep Learning（深度学习）学习笔记整理系列之（二） - 大数据 & AI - 清泛...
Deep Learning（深度学习）学习笔记整理系列之（二）Deep_Learning_Series_2Deep Learning,深度学习,笔记Deep Learning（深度学习）学习笔记整理系列zouxy09@qq.comhttp: blog.csdn.net zouxy09作者：Zouxyversion 1.0 2013-04-08原文网址：h...Deep Learning（深度学...
Deep Learning（深度学习）学习笔记整理系列之（二） - 大数据 & AI - 清泛...
Deep Learning（深度学习）学习笔记整理系列之（二）Deep_Learning_Series_2Deep Learning,深度学习,笔记Deep Learning（深度学习）学习笔记整理系列zouxy09@qq.comhttp: blog.csdn.net zouxy09作者：Zouxyversion 1.0 2013-04-08原文网址：h...Deep Learning（深度学...
Deep Learning（深度学习）学习笔记整理系列之（二） - 大数据 & AI - 清泛...
Deep Learning（深度学习）学习笔记整理系列之（二）Deep_Learning_Series_2Deep Learning,深度学习,笔记Deep Learning（深度学习）学习笔记整理系列zouxy09@qq.comhttp: blog.csdn.net zouxy09作者：Zouxyversion 1.0 2013-04-08原文网址：h...Deep Learning（深度学...
Deep Learning（深度学习）学习笔记整理系列之（二） - 大数据 & AI - 清泛...
Deep Learning（深度学习）学习笔记整理系列之（二）Deep_Learning_Series_2Deep Learning,深度学习,笔记Deep Learning（深度学习）学习笔记整理系列zouxy09@qq.comhttp: blog.csdn.net zouxy09作者：Zouxyversion 1.0 2013-04-08原文网址：h...Deep Learning（深度学...
Deep Learning（深度学习）学习笔记整理系列之（二） - 大数据 & AI - 清泛...
Deep Learning（深度学习）学习笔记整理系列之（二）Deep_Learning_Series_2Deep Learning（深度学习）学习笔记整理系列zouxy09@qq.comhttp: blog.csdn.net zouxy09作者：Zouxyversion 1.0 2013-04-08原文网址：h...Deep Learning（深度学习）学习笔记整理系列
zo...