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如何建立一套适合自己的高胜算交易系统 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...对照；第三个是最简单的，就是当前指数在最近一个显著运行周期内所处的位置，应用的原理就是周朝国立图书馆馆员老子先生提出的物极必反，反的高度可以根据历史统计取值。
2)组合
即持有多只个股时，每只个股占用多少...
What is going wrong when Visual Studio tells me “xcopy exited with code 4”
...s slightly different and was able to complete the copy task that xcopy was unable to handle.
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File Explorer in Android Studio
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I am unable to get into /data. When I open it I get an empty folder. Permission?
– Yetti99
Aug 22 '16 at 13:59
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Remove the legend on a matplotlib figure
... I had some time ago here
(Thanks for that answer Jouni - I'm sorry I was unable to mark the question as answered... perhaps someone who has the authority can do so for me?)
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Pandas count(distinct) equivalent
...a db substitute as I have multiple databases (oracle, mssql, etc) and I am unable to make a sequence of commands to a SQL equivalent.
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std::wstring VS std::string
... << std::endl ; <- error
std::cout << "wtext : UNABLE TO CONVERT NATIVELY." << std::endl ;
std::wcout << L"wtext : " << wtext << std::endl;
std::cout << "sizeof(wtext) : " << sizeof(wtext) << std::endl ;
std:...
Check, using jQuery, if an element is 'display:none' or block on click
...s also. I have css display: block; written inline coming from jquery. i am unable to check it with your method. help me.
– Gaurav Manral
Aug 22 '14 at 6:23
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PHP substring extraction. Get the string before the first '/' or the whole string
...able to do this -> $arr = explode('/',$mystring,2); echo $arr[0];. I am unable to get the first string in one statement itself - echo explode('/',$mystring,2)[0];. Since explode returns an array, I should be able to do it right? But I get an error. Any suggestions?
– anon355...
How to hide status bar in Android
...roid:theme="@android:style/Theme.NoTitleBar.Fullscreen" in manifest i was unable to scroll to see remaining views but if give attribute android:theme="@android:style/Theme.NoTitleBar" like this in manifest I can be able to scroll to see remaining view but there is status bar in that screen, here ...
Gem::LoadError for mysql2 gem, but it's already in Gemfile
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It doesn't load mysql2 gem because new version of mysql2(0.4.1) gem unable to load the mysql2_adaptor. This is working for me.
gem 'mysql2', '~> 0.3.13'
and run
bundle install
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