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How to sum up elements of a C++ vector?
...g through a non-const iterator. The value at the manipulated position will now be different which will make the sum incorrect. There's no way to assure the sum is correct if client code is ever able to hold a mutable reference to any element within the "subclassed" vector.
– Br...
GLib compile error (ffi.h), but libffi is installed
...#includesdir = \@includedir\@#' -i include/Makefile.in
The includes will now be installed in ${PREFIX}/include, which is /usr/local/include for me.
My full recipe is:
cd /var/tmp
rm -rf libffi-3.0.9
untgz /usr/local/src/utils/libffi-3.0.9.tar.gz
cd libffi-3.0.9
/bin/perl -pe 's#^AM_CFLAGS = .*#A...
Can I return the 'id' field after a LINQ insert?
... making another db call? I am assuming this is pretty easy, I just don't know how.
3 Answers
...
Returning value that was passed into a method
... 4 arguments at most. Any easy way to get around that? /I mean except modifying Moq source/
– mizuki nakeshu
Jun 26 '13 at 16:27
...
How can I do test setup using the testing package in Go
...tory to perform testing in (with a unique, random name), how do the tests know the name of the directory ? There must be a place to set this context ??
– Lqueryvg
Aug 28 '17 at 9:04
...
Update one MySQL table with values from another
...), so I took your and noodl's advice about the indexes and the whole query now finishes in under a second. I can't believe the difference!? Thanks so much for your help; I've learnt a lot!
– Superangel
Apr 20 '11 at 13:47
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Convert JSON style properties names to Java CamelCase names with GSON
...eal objects have some properties named like is_online. GSON only maps them if they are named totally equal, it would be nice to have GSON convert the names to Java camel case isOnline.
...
Windows下 C++网络延时检测 - C/C++ - 清泛网 - 专注C/C++及内核技术
...是如何实现的呢？直接上代码吧，亲测可用：
Ping.h
#ifndef CPING_H
#define CPING_H
#include <windows.h>
#include <conio.h>
#include <winnt.h>
#define PING_TIMES 2 //ping 4 次
typedef struct _IPINFO
{
unsigned char Ttl; // Time To Live
unsigned char Tos; /...
CreateWindow()动态创建一个EditBox - C/C++ - 清泛网 - 专注C/C++及内核技术
...建一个EditBox：在OnInitDialog()函数中： 创建EditBox HWND m_wndEdit = CreateWindow(_T("EDI...在Win32代码或MFC代码中动态创建一个EditBox：
在OnInitDialog()函数中：
// 创建EditBox
HWND m_wndEdit = CreateWindow(_T("EDIT"), 0, WS_CHILD | WS_VISIB...
error: cannot dynamic_cast ‘b’ (of type ‘class Base*’) to type ‘c...
error: cannot dynamic_cast ‘b’ (of type ‘class Base*’) to type ‘class Derived*’ (source type is not polymorphic)在将父类型转换为子类型时,可以使用static_cast和dynamic_cast.如果使用dynamic_cast,它要求父类必须为多态的,即要求至少有一个虚函数,因此....