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Automatic exit from bash shell script on error [duplicate]
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edited May 16 '19 at 13:09
Louis
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answered May ...
How can I select the first day of a month in SQL?
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常用Git命令汇总 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
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#删除文件的几种方法（貌似Git2.0后有了变化）
#第一种直接在工作区删除
rm your_file #直接在工作区删除文件
git add -u . #将有改动的都提交到暂存区（包括修改的，删除的等操作），貌似git2.0 不加 -u 参...
Illegal string offset Warning PHP
I get a strange PHP error after updating my php version to 5.4.0-3.
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Android canvas draw rectangle
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edited Dec 22 '11 at 15:00
Yuck
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Scroll to the top of the page using JavaScript?
... - I'd just use the native JavaScript window.scrollTo method -- passing in 0,0 will scroll the page to the top left instantly.
window.scrollTo(x-coord, y-coord);
Parameters
x-coord is the pixel along the horizontal axis.
y-coord is the pixel along the vertical axis.
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使用虚拟现实和App Inventor进行实验 · App Inventor 2 中文网
...和App Inventor进行实验
该项目是麻省理工学院 App Inventor 2011 年 Google Summer of Code 活动的一部分。它描述了使用 Google Cardboard SDK 为 App Inventor 添加虚拟功能的实验。有两个演示项目可以作为未来实验的基础。
简介
人们对虚拟现实...
How do I get ruby to print a full backtrace instead of a truncated one?
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Git branch strategy for small dev team [closed]
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edited Dec 8 '13 at 5:30
Qantas 94 Heavy
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How can I mask a UIImageView?
... = (id)[[UIImage imageNamed:@"mask.png"] CGImage];
mask.frame = CGRectMake(0, 0, <img_width>, <img_height>);
yourImageView.layer.mask = mask;
yourImageView.layer.masksToBounds = YES;
For Swift 4 and plus follow code below
let mask = CALayer()
mask.contents = [ UIImage(named: "right_c...