大约有 15,000 项符合查询结果(耗时:0.0299秒) [XML]
source of historical stock data [closed]
...ake a stock market simulator (perhaps eventually growing into a predicting AI), but I'm having trouble finding data to use. I'm looking for a (hopefully free) source of historical stock market data.
...
How to check that a string is an int, but not a double, etc.?
... for non-numeric strings: is_int("abc"+0) is true
– Kai Pommerenke
Jan 29 '13 at 18:07
1
True, it...
What does %~d0 mean in a Windows batch file?
...
The magic variables %n contains the arguments used to invoke the file: %0 is the path to the bat-file itself, %1 is the first argument after, %2 is the second and so on.
Since the arguments are often file paths, there is some additional syntax to extr...
How do I add an existing directory tree to a project in Visual Studio?
...r. How can you do if you just want to reference some folders and files contained in an other project on your computer ?
– hico
Aug 7 '13 at 10:16
5
...
What are Aggregates and PODs and how/why are they special?
...icle is rather long. If you want to know about both aggregates and PODs (Plain Old Data) take time and read it. If you are interested just in aggregates, read only the first part. If you are interested only in PODs then you must first read the definition, implications, and examples of aggregates and...
Rename an environment with virtualenvwrapper
...
if you do:
$ ack-grep -ai doors ~/.virtualenvs/django/bin
you'll notice that will have doors as location and not django, you'll to change each file with the new location.
solution:
after renamed the folder execute the command below.
$ sed -i "...
解决Scrapy警告:You do not have a working installation of the service_i...
...pi/service_identity)来安装。
我们可以直接通过命令行下载:
pip install service_identity-17.0.0-py2.py3-none-any.whl
如果上面的方法没能解决问题,很大可能是有些包的版本不一样导致的,这个时候我们可以用下面这行代码来强制...
VS 2015 Preview版已经发布,支持Android开发 - IT产品资讯 - 清泛网 - 专注IT技能提升
...udio 2015迈出了跨平台支持的最新一步,其预览版已经放出下载。VS 2015将支持 Clang 编辑器和LLVM框架,支持为Android 及未来的iOS开发应用。使用 Google Android SDK的开发者都知道,Google的Android 模拟器非常慢,微软开发了自己的Android模...
解决Scrapy警告:You do not have a working installation of the service_i...
...pi/service_identity)来安装。
我们可以直接通过命令行下载:
pip install service_identity-17.0.0-py2.py3-none-any.whl
如果上面的方法没能解决问题,很大可能是有些包的版本不一样导致的,这个时候我们可以用下面这行代码来强制...
解决Scrapy警告:You do not have a working installation of the service_i...
...pi/service_identity)来安装。
我们可以直接通过命令行下载:
pip install service_identity-17.0.0-py2.py3-none-any.whl
如果上面的方法没能解决问题,很大可能是有些包的版本不一样导致的,这个时候我们可以用下面这行代码来强制...
