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Why is sed not recognizing \t as a tab?
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129
Not all versions of sed understand \t. Just insert a literal tab instead (press Ctrl-V then Tab...
Why Choose Struct Over Class?
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According to the very popular WWDC 2015 talk Protocol Oriented Programming in Swift (video, transcript), Swift provides a number of features that make structs better than classes in many circumstances.
Structs are preferable if they are relatively small and c...
How do you round UP a number in Python?
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24 Answers
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Python - List of unique dictionaries
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244
So make a temporary dict with the key being the id. This filters out the duplicates.
The value...
Way to get number of digits in an int?
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answered Aug 20 '09 at 15:04
Michael BorgwardtMichael Borgwardt
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多媒体组件 · App Inventor 2 中文网
...要 Android 4.4 或更高版本、iOS 11 或更高版本。要求AI伴侣v2.68及以上。
属性
操作
设置 文件选择器 所需的操作。有如下选项：
选择现有文件：打开现有文件
选择目录：打开现有目录
选择新文件：创建一个...
Import pandas dataframe column as string not int
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Just want to reiterate this will work in pandas >= 0.9.1:
In [2]: read_csv('sample.csv', dtype={'ID': object})
Out[2]:
ID
0 00013007854817840016671868
1 00013007854817840016749251
2 00013007854817840016754630
3 00013007854817840016781876
4 00013007854817...
SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder”
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How to display gpg key details without importing it?
... do -- and for key data, this is printing a summary on the key:
$ gpg a4ff2279.asc
gpg: WARNING: no command supplied. Trying to guess what you mean ...
pub rsa8192 2012-12-25 [SC]
0D69E11F12BDBA077B3726AB4E1F799AA4FF2279
uid Jens Erat (born 1988-01-19 in Stuttgart, Germany)
uid ...
How many threads can a Java VM support?
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12 Answers
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