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How can I get query string values in JavaScript?
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How to test if a string is basically an integer in quotes using Ruby
I need a function, is_an_integer , where
20 Answers
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How to reuse an ostringstream?
I'd like to clear out and reuse an ostringstream (and the underlying buffer) so that my app doesn't have to do as many allocations. How do I reset the object to its initial state?
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Add one row to pandas DataFrame
I understand that pandas is designed to load fully populated DataFrame but I need to create an empty DataFrame then add rows, one by one .
What is the best way to do this ?
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Should I use a data.frame or a matrix?
When should one use a data.frame , and when is it better to use a matrix ?
6 Answers
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Regular expression to match URLs in Java
I use RegexBuddy while working with regular expressions. From its library I copied the regular expression to match URLs. I tested successfully within RegexBuddy. However, when I copied it as Java String flavor and pasted it into Java code, it does not work. The following class prints false :
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C++虚继承的概念 - C/C++ - 清泛网 - 专注C/C++及内核技术
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6: //----------------------------------------------------
7: #include "stdafx.h"
8: #include <iostream>
9: using namespace std;
10:
11: //Base
12: class Base
13: {
14: public:
15: Base(){cout << "Base called..."<< endl;}
16: void print(){cout << "Base pri...
NSLog the method name with Objective-C in iPhone
Currently, we are defining ourselves an extended log mechanism to print out the class name and the source line number of the log.
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Java String remove all non numeric characters
Trying to remove all letters and characters that are not 0-9 and a period. I'm using Character.isDigit() but it also removes decimal, how can I also keep the decimal?
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Converting Dictionary to List? [duplicate]
I'm trying to convert a Python dictionary into a Python list, in order to perform some calculations.
7 Answers
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