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Creating an R dataframe row-by-row
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edited Feb 18 '19 at 2:37
Neil
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answered Sep 4...
Simpler way to create dictionary of separate variables?
...] )
Example
>>> some= 1
>>> list= 2
>>> of= 3
>>> vars= 4
>>> dict( (name,eval(name)) for name in ['some','list','of','vars'] )
{'list': 2, 'some': 1, 'vars': 4, 'of': 3}
sha...
How to print the current Stack Trace in .NET without any exception?
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SpenceSpence
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What's the best way to store Phone number in Django models
... community wiki
8 revs, 5 users 53%erewok
20
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Delete specific line number(s) from a text file using sed?
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384
If you want to delete lines 5 through 10 and 12:
sed -e '5,10d;12d' file
This will print th...
Reimport a module in python while interactive
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389
This should work:
reload(my.module)
From the Python docs
Reload a previously imported m...
App Inventor 2 DynamicComponents 拓展:动态创建AI2组件对象 · App Inventor 2 中文网
... DynamicComponents 拓展
.aix 拓展下载(最新版 v2.3.0):
com.yusufcihan.DynamicComponents.aix
完全支持 App Inventor 2 的动态组件扩展。它基于 Java 的反射功能,因此只需键入类名称即可搜索类来创建组件。因此,它对特定组件的...
Why is there no SortedList in Java?
...er:
List<string> sorted = Ordering.natural().sortedCopy(strings);
3. Wrap your list with java.util.PriorityQueue
Though there is no sorted list in Java there is however a sorted queue which would probably work just as well for you. It is the java.util.PriorityQueue class.
Nico Haase linke...
Alphabet range in Python
...y', 'z']
And to do it with range
>>> list(map(chr, range(97, 123))) #or list(map(chr, range(ord('a'), ord('z')+1)))
['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z']
Other helpful string module features:
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