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The Definitive C++ Book Guide and List
This question attempts to collect the few pearls among the dozens of bad C++ books that are published every year.
1 Answer
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What does [].forEach.call() do in JavaScript?
...;
Next, forEach is a function which takes a function as an input...
[1,2,3].forEach(function (num) { console.log(num); });
...and for each element in this (where this is array-like, in that it has a length and you can access its parts like this[1]) it will pass three things:
the element in the...
Function to convert column number to letter?
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Stevoisiak
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answered Oct 9 '12 at 9:44
brettdjbrettdj
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How to drop a list of rows from Pandas dataframe?
...bels:
In [65]: df
Out[65]:
one two
one 1 4
two 2 3
three 3 2
four 4 1
In [66]: df.drop(df.index[[1,3]])
Out[66]:
one two
one 1 4
three 3 2
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stl 字符串std::string作为std::map主键key的实例 - C/C++ - 清泛网 - 专注C/C++及内核技术
...法，并使用find_if实现map按value值查找。代码如下：
#include <map>
#include <string>
#include <algorithm>
using namespace std;
class map_value_finder
{
public:
map_value_finder(const std::string &cmp_string):m_s_cmp_string(cmp_string){}
bool operator ()(const std:...
std::string截取字符串，截取ip:port - C/C++ - 清泛网 - 专注C/C++及内核技术
...0.1:8888");int index = ip.find_last_of(':'); 获取ipip.substr(0, index).c_str(); 获取portip.substr(index + 1).c_str();std::string ip("127.0.0.1:8888");
int index = ip.find_last_of(':');
// 获取ip
ip.substr(0, index).c_str();
// 获取port
ip.substr(index + 1).c_str();字符串截取
Linux automake自动编译全攻略 - C/C++ - 清泛网 - 专注C/C++及内核技术
...译配置。
automake流程图示如下：
核心配置如下：
configure.in：
AC_INIT([test], [1.0.0], [bugreport.test.com])
#指定项目名称和版本号
AM_INIT_AUTOMAKE(test, 1.0.0)
#检查编译器
AC_PROG_CC
AC_PROG_LIBTOOL
#输出Makefile文件
AC_CONFIG_FILES(...
warning: xxx will be initialized after [-Wreorder] - C/C++ - 清泛网 - 专注C/C++及内核技术
warning: xxx will be initialized after [-Wreorder]c++使用参数列表进行初始话时，初始化成员变量的顺序和声明的顺序相同，如果在写参数列表时没有按照声明的顺序写，则出现此警告。这个警告...c++使用参数列表进行初始话时，初始化...
如何提高 VS2010/VS2012 编译速度 - C/C++ - 清泛网 - 专注C/C++及内核技术
...同时设置如下两个参数：
Enable Minimal Rebuild
Properties -> Configuration Properties -> C/C++ -> Code Generation -> Enable Minimal Rebuild -> No(/Gm-)
默认情况下该参数在Debug模式下为Yes，而在Release下为No。
Multi-processor Compilation
Properties -> Configuratio...