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How do I grab an INI value within a shell script?
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This is not really a good solution. Think of having 2 [parameters.ini] sections with each having a ' database_version' variable. You get the value twice then.
– nerdoc
May 26 '15 at 12:19
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How can I format a decimal to always show 2 decimal places?
...ntize(TWOPLACES, context=Context(traps=[Inexact]))
Traceback (most recent call last):
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Inexact: None
The next question reads
Q. Once I have valid two place inputs, how do I maintain that invariant throughout an application?
If you need the answer to that (along with lots of other useful inf...
Unzip All Files In A Directory
I have a directory of ZIP files (created on a Windows machine). I can manually unzip them using unzip filename , but how can I unzip all the ZIP files in the current folder via the shell?
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What is memoization and how can I use it in Python?
... no idea what memoization is and how to use it. Also, may I have a simplified example?
13 Answers
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iOS开发调试技巧总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...次数，设置Action参数如下，注意要选中Automatically continue after evaluating actions.
输出结果如下：
【3.异常断点】
断点的功能不限于上面所述。开发iOS知道，如果我们因为异常然后程序crash了，代码就直接跑到main.m的main函数中去...
How do I concatenate strings and variables in PowerShell?
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This isn't technically concatenation.
– TravisEz13
Jun 14 '16 at 17:59
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Pure virtual function with implementation
...e type can still define an implementation. A derived class can explicitly call the base class implementation (if access permissions allow it) by using a fully-scoped name (by calling A::f() in your example - if A::f() were public or protected). Something like:
class B : public A {
virtual voi...
Run an OLS regression with Pandas Data Frame
I have a pandas data frame and I would like to able to predict the values of column A from the values in columns B and C. Here is a toy example:
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e.printStackTrace equivalent in python
...here e is an Exception) prints the occurred exception
but, I was trying to find the python equivalent of Java's e.printStackTrace() that exactly traces the exception to what line it occurred and prints the entire trace of it.
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How can I correctly prefix a word with “a” and “an”?
...uick filter program that spits out only article text (the download is generally in XML format, along with non-article metadata too).
Find all instances of a(n).... and make an index on the following word and all of its prefixes (you can use a simple suffixtrie for this). This should be case sensitiv...