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Using semicolon (;) vs plus (+) with exec in find
...llustrated with an example. Let's say that find turns up these files:
file1
file2
file3
Using -exec with a semicolon (find . -exec ls '{}' \;), will execute
ls file1
ls file2
ls file3
But if you use a plus sign instead (find . -exec ls '{}' \+), as many filenames as possible are passed as a...
Comments in command-line Zsh
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175
Having just started trying out zsh, I ran into this problem too. You can do setopt interactive...
Difference between JSONObject and JSONArray
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189
When you are working with JSON data in Android, you would use JSONArray to parse JSON which st...
MLKitFaceMesh 拓展：面部网格（468 个关键点） · App Inventor 2 中文网
...）
四、把可用区域做成下拉框
12 个可用区域
属性
事件
方法
运行环境：AI 伴侣联机需要 Android 11 及以上
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MLKitFaceMesh 拓展
检测 468 ...
What is the maximum length of latitude and longitude? [closed]
...
If latitude coordinate is reported as -6.3572375290155 or -63.572375290155 in decimal degrees then you could round-off and store up to 6 decimal places for 10 cm (or 0.1 meter) precision.
Overview
The valid range of latitude in degrees is -90 and +90 for the southern and nort...
git diff two files on same branch, same commit
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answered Dec 20 '12 at 2:21
JaredMcAteerJaredMcAteer
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App Inventor 2 数学积木完全指南：从加减乘除到位运算，一篇搞定所有计算...
...，实现三个甚至更多数字同时运算：
加法： 1 + 2 + 3 + 4 = 10 （一个积木搞定，不用嵌套）
乘法： 2 x 3 x 4 = 24 （同理，一个积木搞定）
幂运算积木 ^ 也非常实用：2 ^ 3 =...
Python json.loads shows ValueError: Extra data
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153
As you can see in the following example, json.loads (and json.load) does not decode multiple j...
How do you use “
...) {
function(x) x ^ exponent
}
square <- power(2)
square(2) # -> [1] 4
square(4) # -> [1] 16
cube <- power(3)
cube(2) # -> [1] 8
cube(4) # -> [1] 64
The ability to manage variables at two levels also makes it possible to maintain the state across function invocations by allow...