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How do I count the number of occurrences of a char in a String?
... Android, where there is no StringUtils class
– Jose_GD
Nov 6 '12 at 13:12
43
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How do short URLs services work?
...e resource is changed or not when this timeout it reached. Others, like is.gd, use a normal 301 Moved Permanently and the browser doesn't need to re-check (but often will). Finally, services like url4.eu do not redirect at all, but show you an advertisement first. With the 301 the services can still...
How do I get a Date without time in Java?
...o be related to non-tech constraints, I think
– Jose_GD
Sep 8 '14 at 22:43
3
From today's perspec...
High Quality Image Scaling Library [closed]
...
When you draw the image using GDI+ it scales quite well in my opinion. You can use this to create a scaled image.
If you want to scale your image with GDI+ you can do something like this:
Bitmap original = ...
Bitmap scaled = new Bitmap(new Size(origina...
adito-gateway -华为云免费SSL VPN解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...解压并移动到 /usr/
[root@adito mnt]# mv /mnt/adito-0.9.1 /usr/
4. 安装 adito
[root@adito usr]# cd adito-0.9.1/
[root@adito adito-0.9.1]# ant install
关闭防火墙
[root@adito ~]# service iptables stop
iptables: Setting chains to policy ACCEPT: filter [ OK ]
iptabl...
大单融资后，MOOC去哪儿 - 资讯 - 清泛网 - 专注C/C++及内核技术
...MOOC又该何以为继？
过来人联合创始人张有明认为，事情无需太过悲观。“MOOC平台可以依靠自身发展，不需要政府支持。”他坦言道，“盈利从来不是问题，我们从今年开始就可以实现盈利。MOOC在学校内部可能会有一定限制，...
How do I resolve “Cannot find module” error using Node.js?
...unning two apps on a server, one requires Node.js 5.6 because it uses node-gd (which doesn't run on Node.js 6 for now), the other requires Node.js 6. Node.js 6 is the apt-get installation.
Also we use the pm2 tool to deploy.
So, the default setup is that the pm2 process starts when nvm is not in e...
tcp端口状态ESTABLISHED、TIME_WAIT、CLOSE_WAIT 、SYN_RECV等详解 - C/C++...
...，CLOSE_WAIT 表示被动关闭。具体每种状态什么意思，其实无需多说，看看下面这种图就明白了：
这么多状态不用都记住，只要了解到我上面提到的最常见的三种状态的意义就可以了。一般不到万不得已的情况也不会去查看网络...
OpenSSH升级后不能登录的问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...check=0
enabled=1
更新缓存
yum clean
yum makecache
先安装telnet 以防止更新openssh的时候 终端断开。
yum install telnet
详细配置请看
http://jingyan.baidu.com/article/9f63fb91ac7ebcc8400f0e94.html
配置完成后 使用telnet 登录到服务器
...
【内核源码】linux UDP实现 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
【内核源码】linux UDP实现linux-udp创建udp socket在socket()创建的时候，会设置对应协议的操作集。 inet_dgram_ops是系统调用层直接调用的操作。udp_prot是底层协议的处理。可以看到相比TCP，UDP不用accept(),lis 创建udp socket
在socket()创建...