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Finding all possible combinations of numbers to reach a given sum
How would you go about testing all possible combinations of additions from a given set N of numbers so they add up to a given final number?
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Match multiple cases classes in scala
I'm doing matching against some case classes and would like to handle two of the cases in the same way. Something like this:
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How to print out the method name and line number and conditionally disable NSLog?
I'm doing a presentation on debugging in Xcode and would like to get more information on using NSLog efficiently.
13 Answer...
Combine two or more columns in a dataframe into a new column with a new name
For example if I have this:
8 Answers
8
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C++ Convert string (or char*) to wstring (or wchar_t*)
How would i assign the contents of s to ws?
16 Answers
16
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JavaScript regex multiline flag doesn't work
I wrote a regex to fetch string from HTML, but it seems the multiline flag doesn't work.
5 Answers
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sed one-liner to convert all uppercase to lowercase?
I have a textfile in which some words are printed in ALL CAPS. I want to be able to just convert everything in the textfile to lowercase, using sed . That means that the first sentence would then read, 'i have a textfile in which some words are printed in all caps.'
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How do I capitalize first letter of first name and last name in C#?
Is there an easy way to capitalize the first letter of a string and lower the rest of it? Is there a built in method or do I need to make my own?
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Dealing with commas in a CSV file
I am looking for suggestions on how to handle a csv file that is being created, then uploaded by our customers, and that may have a comma in a value, like a company name.
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C++ 读写xml方法整理（持续更新） - C/C++ - 清泛网 - 专注C/C++及内核技术
...色小巧，直接加入工程源码编译，只支持MFC。
<?xml version="1.0" encoding="utf-8"?>
<root>
<update ver="1.2.0" pkg="setup.exe" force="1"/>
<update ver="1.1.1" pkg="setup.exe" force="0"/>
<update ver="1.1.0" pkg="setup.exe" force="0"/>
</root>
CMarkup markup;
bool bSucc...