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程序员才能听得懂的笑话 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
...上衣口袋里。青蛙把头伸出来说：“怎么，你不准备吻我吗？”“是的”，工程师说：“我在微软工作，没有时间娶妻——不过有一只会说话的青蛙还是挺酷的。”
6、Keyboard not found ... press F1 to continue
7、Unix是用户友好的，...
Mysql ibdata 丢失或损坏如何通过frm&ibd 恢复数据 - 更多技术 - 清泛网 - ...
...样，数据记录点不一致。我们看看之前ibd记录的点在什么位置。开始执行 import tablespace，报错 ERROR 1030 (HY000): Got error -1 from storage engine。找到mysql的错误日志，InnoDB: Error: tablespace id in file ‘.\test\weibo_qq0.ibd’ is 112, but in the I...
scp or sftp copy multiple files with single command
...
Copy multiple files from remote to local:
$ scp your_username@remote.edu:/some/remote/directory/\{a,b,c\} ./
Copy multiple files from local to remote:
$ scp foo.txt bar.txt your_username@remotehost.edu:~
$ scp {foo,bar}.txt your_u...
iOS Remote Debugging
...ll nodejs
npm install -g weinre
weinre --boundHost -all-
Open http://{wifi-ip-address}:8080/ and copy the target script code
Paste the script tag into your page (or use the bookmarklet)
Click on the link to the debug client user interface (http://{wifi-ip-address}:8080/client/#anonymous)
When you ge...
An existing connection was forcibly closed by the remote host
...means that the remote side closed the connection (usually by sending a TCP/IP RST packet). If you're working with a third-party application, the likely causes are:
You are sending malformed data to the application (which could include sending an HTTPS request to an HTTP server)
The network link be...
FileNotFoundException while getting the InputStream object from HttpURLConnection
...equested the input stream first before sending the XML body. In the code snipped below, the line InputStream in = conn.getInputStream(); came immediately after ByteArrayOutputStream out = new ByteArrayOutputStream(); which is the incorrect order of things.
ByteArrayOutputStream out = new ByteArrayO...
Pinging servers in Python
...ere is a module called pyping that can do this. It can be installed with pip
pip install pyping
It is pretty simple to use, however, when using this module, you need root access due to the fact that it is crafting raw packets under the hood.
import pyping
r = pyping.ping('google.com')
if r....
Bash variable scope
...
Because you're piping into the while loop, a sub-shell is created to run the while loop.
Now this child process has its own copy of the environment and can't pass any
variables back to its parent (as in any unix process).
Therefore you'll ...
Where can I get Google developer key
...the first option - JS should use the second) :
Key for server apps (with IP locking)
Key for browser apps (with referers)
In the new cloud console layout :
Select your project
Choose menu item "APIs & auth"
Choose menu item "Registered app"
Register an app of type "web application"
Choose...
Characters allowed in a URL
...d and pasted, but I'll do my best.
In first matched order:
host = IP-literal / IPv4address / reg-name
IP-literal = "[" ( IPv6address / IPvFuture ) "]"
IPvFuture = "v" 1*HEXDIG "." 1*( unreserved / sub-delims / ":" )
IPv6address = 6( h16 ":" ) ls32
/ ...