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How to execute mongo commands through shell scripts?
...the --eval flag, if it is just a single command.
mongo --eval "printjson(db.serverStatus())"
Please note: if you are using Mongo operators, starting with a $ sign, you'll want to surround the eval argument in single quotes to keep the shell from evaluating the operator as an environment variable:...
Run an app on a multiple devices automatically in Android Studio
.... Is there any way to deploy the app on a multiple devices automatically - by clicking Run or even better with a shortcut?
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How can I convert a string to a number in Perl?
...l value in it and I need to convert that string into a floating point variable. So an example of the string I have is "5.45" and I want a floating point equivalent so I can add .1 to it. I have searched around the internet, but I only see how to convert a string to an integer.
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What does !! mean in ruby?
Just wondering what !! is in Ruby.
8 Answers
8
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How do I remove all non alphanumeric characters from a string except dash?
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AmarghoshAmarghosh
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Restoring state of TextView after screen rotation?
In my app I have TextView and EditText . Both have data in it. When the screen orientation changes the data in the EditText remains, but TextView data is cleared.
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How do I loop through a list by twos? [duplicate]
... range(0,10,2):
print(i)
Note: Use xrange in Python 2 instead of range because it is more efficient as it generates an iterable object, and not the whole list.
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Why does a base64 encoded string have an = sign at the end
I know what base64 encoding is and how to calculate base64 encoding in C#, however I have seen several times that when I convert a string into base64, there is an = at the end.
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第一个Hello,OS World操作系统 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...，用户将我们的汇编代码编译为二进制。（下载地址）
Bochs：运行os的虚拟机工具，模拟加载我们生成的软盘映像，并运行os。（下载地址）
代码如下：
;--------------------------------------------------------------
; 平凡OS(Pf OS) 一...
How to prevent a scrollview from scrolling to a webview after data is loaded?
So I have a fascinating problem. Despite the fact that I'm not manually or programmatically scrolling my view, my WebView is being automatically scrolled to after the data inside it loads.
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