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How do I concatenate two arrays in C#?
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var z = new int[x.Length + y.Length];
x.CopyTo(z, 0);
y.CopyTo(z, x.Length);
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Draw a perfect circle from user's touch
...ave this practice project that allows the user to draw on the screen as they touch with their fingers. Very simple App I did as exercise way back.
My little cousin took the liberty of drawing things with his finger with my iPad on this App (Kids drawings: circle, lines, etc, whatever came to his min...
Replacing NAs with latest non-NA value
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You probably want to use the na.locf() function from the zoo package to carry the last observation forward to replace your NA values.
Here is the beginning of its usage example from the help page:
library(zoo)
az <- z...
How to print a date in a regular format?
This is my code:
22 Answers
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How can I make an “are you sure” prompt in a Windows batchfile?
I have a batch file that automates copying a bunch of files from one place to the other and back for me. Only thing is as much as it helps me I keep accidentally selecting that command off my command buffer and mass overwriting uncommited changes.
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Cocoa: What's the difference between the frame and the bounds?
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The bounds of an UIView is the rectangle, expressed as a location (x,y) and size (width,height) relative to its own coordinate system (0,0).
The frame of an UIView is the rectangle, expressed as a location (x,y) and size (width,height) relative to the superview it is contained within.
So, im...
Oracle 11.2.0.4 RAC FOR redhat 6.4 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...RAID
开机 按F2进入 Diagnostic
然后退出
进入 Legacy usb 启动画面 然后 按CRTL+H 进入到 WEBBIOS设置画面
点击 CONFIGURATION WIAZRD 配置引导
清除配置
清除完毕
再次创建RAID
自动 当发生问题的时候有冗余
不管怎么...
git reset --hard HEAD leaves untracked files behind
...t reset --hard HEAD , it's supposed to reset to a pristine version of what you pulled, as I understand it. Unfortunately, it leaves files lying around, as a git status shows a big list of untracked files.
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Scatter plot and Color mapping in Python
I have a range of points x and y stored in numpy arrays.
Those represent x(t) and y(t) where t=0...T-1
3 Answers
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Add x and y labels to a pandas plot
Suppose I have the following code that plots something very simple using pandas:
7 Answers
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