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C++静态和多态，亦敌亦友 - C/C++ - 清泛网 - 专注C/C++及内核技术
...平共存，时而协同工作。
老规矩，还是一小段代码提出问题，当一个虚成员函数（多态性）在其子类中被声明为静态成员函数时（或相反过来），会发生什么？
1、当虚函数遭遇静态函数
#include <iostream>
using namespace std;
cla...
How to save a PNG image server-side, from a base64 data string
...om the explode, depending on whether it's data:image/jpg or data:image/png etc.
– drew010
Feb 16 '17 at 16:17
i got th...
How do you parse and process HTML/XML in PHP?
... Javascript
Sort attributes, change character case, correct indentation, etc.
Extensible
Parsing documents using callbacks based on current character/token
Operations separated in smaller functions for easy overriding
Fast and Easy
Never used it. Can't tell if it's any ...
How can you integrate a custom file browser/uploader with CKEditor?
...ur upload file, here is mine which is written in ASP. If you're using PHP, etc. simply replace the ASP with your upload script but make sure the page outputs the same thing.
<%@LANGUAGE="VBSCRIPT" CODEPAGE="65001"%>
<%
if Request("CKEditorFuncNum")=1 then
Set Upload = Server.Cr...
十年磨一“饼” 一个70后连续创业者的心路历程 - 资讯 - 清泛网 - 专注C/C+...
...了赛百味亚洲总部的ALAN老师关于很多标准化和供应链的问题(他在新加坡亚洲总部负责产品开发及供应链管理).
接下来讲讲我们现在的团队：“菜鸟也有鹰的梦想”——
操心的货当家“狮子”，草根乐观的烹饪师“王储”，务...
Catching an exception while using a Python 'with' statement
...nally:
f.close()
Used as follows:
with opened_w_error("/etc/passwd", "a") as (f, err):
if err:
print "IOError:", err
else:
f.write("guido::0:0::/:/bin/sh\n")
share
|
...
Authenticating in PHP using LDAP through Active Directory
...
Provide additional information if it failed (ie. locked/disabled account, etc)
There are other libraries to do this too (Such as Adldap2). However, I felt compelled enough to provide some additional information as the most up-voted answer is actually a security risk to rely on with no input valid...
isset() and empty() - what to use
...y checks if the variable is set and if it is it checks it for null, "", 0, etc
Isset just checks if is it set, it could be anything not null
With empty, the following things are considered empty:
"" (an empty string)
0 (0 as an integer)
0.0 (0 as a float)
"0" (0 as a string)
NULL
FALSE
array() (...
Linux MySql编译安装 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...set storage_engine=MYISAM
这里仅记录相关步骤，期间遇到任何问题可在右侧搜索框搜索相关解决方案。Linux MySql 编译安装
[解决]CTRL: PTY read or GRE write failed - 更多技术 - 清泛网 - 专注C/C++及内核技术
...日志后发现是logwtmp版本的与pptpd版本不一致的原因导致的问题，于是打开/etc/pptpd.conf文件,找到
logwtmp
注释掉logwtmp后，重新启动pptpd，再次连接后一切恢复正常。
默认启用了proxyarp（在/etc/ppp/pptp-options中）功能，每次...