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Replace one character with another in Bash
...rings. On my system tr outperforms bash starting at strings with more than 1000 characters. It seems like bash's time complexity is worse than linear. A small test: x="$(tr -dc 'a-z \n' </dev/urandom | head -c1M)"; time y="$(tr ' ' \\- <<< "$x")"; time z="${x// /-}". With a string length...
How to shrink the .git folder
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answered Apr 10 '11 at 17:09
knittlknittl
184k4242 gold badges255255 silver badges306306 bronze badges
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How to get number of rows using SqlDataReader in C#
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10
If you do not need to retrieve all the row and want to avoid to make a double query, you can pr...
APP INVENTOR硬件交互学习教程10——多个虚拟界面实现 · App Inventor 2 中文网
... APP INVENTOR硬件交互学习教程10——多个虚拟界面实现
1.界面设计
2.逻辑设计
源码下载
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通过配置垂直布局实现两个虚拟界面切换。
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Remove rows with all or some NAs (missing values) in data.frame
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1080
Also check complete.cases :
> final[complete.cases(final), ]
gene hsap mmul ...
Ruby optional parameters
... set it to true
– Joshua Pinter
Nov 10 '11 at 5:32
4
is it possible with the current version of r...
How can I change my default database in SQL Server without using MS SQL Server Management Studio?
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edited Jan 11 '19 at 10:16
answered Nov 21 '17 at 13:20
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How to amend older Git commit? [duplicate]
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Adam DymitrukAdam Dymitruk
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How can I change the table names when using ASP.NET Identity?
...ase version (RTM, not RC) of Visual Studio 2013 (downloaded from MSDN 2013-10-18) and therefore the latest (RTM) version of AspNet.Identity. When I create a new web project, I select "Individual User Accounts" for authentication. This creates the following tables:
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Assert equals between 2 Lists in Junit
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answered Jul 13 '10 at 12:01
Bart KiersBart Kiers
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