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Creating an R dataframe row-by-row

... | edited Feb 18 '19 at 2:37 Neil 6,59944 gold badges3939 silver badges4242 bronze badges answered Sep 4...
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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...
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How to print the current Stack Trace in .NET without any exception?

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What's the best way to store Phone number in Django models

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Delete specific line number(s) from a text file using sed?

... 384 If you want to delete lines 5 through 10 and 12: sed -e '5,10d;12d' file This will print th...
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Reimport a module in python while interactive

... 389 This should work: reload(my.module) From the Python docs Reload a previously imported m...
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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...
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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...
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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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Command to get nth line of STDOUT

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