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Remove characters except digits from string using Python?
...y far the fastest approach is the .translate method:
>>> x='aaa12333bb445bb54b5b52'
>>> import string
>>> all=string.maketrans('','')
>>> nodigs=all.translate(all, string.digits)
>>> x.translate(all, nodigs)
'1233344554552'
>>>
string.maketra...
what is the difference between sendStickyBroadcast and sendBroadcast in Android
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3 Answers
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Diff two tabs in Vim
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edited Dec 28 '12 at 21:30
Aaron Thoma
3,6182626 silver badges3030 bronze badges
answered Jul 8 '09 at...
How do I use arrays in C++?
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305
Arrays on the type level
An array type is denoted as T[n] where T is the element type and n i...
How to create a new java.io.File in memory?
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在 App Inventor 2 中使用图像 · App Inventor 2 中文网
...溃[a]，并出现类似以下错误消息：
Failed to allocate a 25165836 byte allocation with 3395432 free bytes and 3MB until OOM
这里发生的情况是应用程序内存不足（OOM）。在上述消息的情况下，手机试图分配 25 兆字节（25165836 字节），但只有 3 兆字...
Fastest way to copy file in node.js
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answered Jul 2 '12 at 13:52
Miguel Sanchez GonzalezMiguel Sanchez Gonzalez
7,72322 gold badges1212 silver badges66 bronze badges
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How to swap two variables in JavaScript
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323
Here's a one-liner to swap the values of two variables.
Given variables a and b:
b = [a, a = ...
Why can't I use switch statement on a String?
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Switch statements with String cases have been implemented in Java SE 7, at least 16 years after ...