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Omitting the second expression when using the if-else shorthand
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edited Jul 26 '18 at 16:03
answered Jun 17 '12 at 6:33
aj...
How to perform file system scanning
...", path)
return nil
}
func main() {
flag.Parse()
root := flag.Arg(0)
err := filepath.Walk(root, visit)
fmt.Printf("filepath.Walk() returned %v\n", err)
}
Please note that filepath.Walk walks the directory tree recursively.
This is an example run:
$ mkdir -p dir1/dir2
$ touch dir1/fi...
How to convert C# nullable int to int
...if(v1==null)
v2 = default(int);
else
v2 = v1;
Also, as of .NET 4.0, Nullable<T> has a "GetValueOrDefault()" method, which is a null-safe getter that basically performs the null-coalescing shown above, so this works too:
v2 = v1.GetValueOrDefault();
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Are unused CSS images downloaded?
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edited Jun 2 '10 at 3:50
Ash
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an...
How to limit setAccessible to only “legitimate” uses?
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105
DO I NEED TO WORRY ABOUT THIS???
That depends entirely on what types of programs you're writin...
What are the differences between local branch, local tracking branch, remote branch and remote track
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Brian Webster
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answered May 6 '13 at 22:46
SNceSNce
1,...
How to change the height of a ?
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Css:
br {
display: block;
margin: 10px 0;
}
The solution is probably not cross-browser compatible, but it's something at least. Also consider setting line-height:
line-height:22px;
For Google Chrome, consider setting content:
content: " ";
Other than t...
How to open an elevated cmd using command line for Windows?
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edited Jan 25 '17 at 19:02
Felix Dombek
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an...
分布式数据（DistributedData）使用指导 · App Inventor 2 中文网
...系方式： 不需要回复的可留空~ 意见反馈（300字以内）： 给个鼓励也行呐~o~ 提供截图（仅截取当前可视区域） delete edit 高亮或隐藏信息 ...
Why should a Java class implement comparable?
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