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Use Expect in a Bash script to provide a password to an SSH command
...d "my_command1\r"
interact -o -nobuffer -re $prompt return
send "my_command2\r"
interact
Sample solution for bash could be:
#!/bin/bash
/usr/bin/expect -c 'expect "\n" { eval spawn ssh -oStrictHostKeyChecking=no -oCheckHostIP=no usr@$myhost.example.com; interact }'
This will wait for Enter and the...
Rename multiple files by replacing a particular pattern in the filenames using a shell script [dupli
...
241
An example to help you get off the ground.
for f in *.jpg; do mv "$f" "$(echo "$f" | sed s/IMG...
Using fonts with Rails asset pipeline
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12 Answers
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Why is it slower to iterate over a small string than a small list?
... closer to 70% (or more) once a lot of the overhead is removed, for Python 2.
Object creation is not at fault. Neither method creates a new object, as one-character strings are cached.
The difference is unobvious, but is likely created from a greater number of checks on string indexing, with regards...
how to get the last character of a string?
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12 Answers
12
Active
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HtmlString vs. MvcHtmlString
... exists in ASP.NET 4.
MvcHtmlString was a compatibility shim added to MVC 2 to support both .NET 3.5 and .NET 4. Now that MVC 3 is .NET 4 only, it's a fairly trivial subclass of HtmlString presumably for MVC 2->3 for source compatibility.
If you're ever going to drop back to MVC 2 it might make...
搭建高可用mongodb集群（三）—— 深入副本集内部机制 - 大数据 & AI - 清...
...nCommand({replSetStepDown : 1, force : true})
或者使用 rs.stepDown(120)也可以达到同样的效果，中间的数字指不能在停止服务这段时间成为主节点，单位为秒。
设置一个从节点有比主节点有更高的优先级。
先查看当前集群中优先级，通...
Do Facebook Oauth 2.0 Access Tokens Expire?
I am playing around with the Oauth 2.0 authorization in Facebook and was wondering if the access tokens Facebook passes out ever expire. If so, is there a way to request a long-life access token?
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NodeJS - Error installing with NPM
... VS on windows, check this out
https://github.com/nodejs/node-gyp/issues/629#issuecomment-153196245
UPDATED 02/2016
Some npm plugins need node-gyp to be installed.
However, node-gyp has it's own dependencies (from the github page):
UPDATED 09/2016
If you're using Windows you can now install ...
How to port data-only volumes from one host to another?
...E:
# create a new data container
$ sudo docker create -v /data --name DATA2 busybox true
# untar the backup files into the new container᾿s data volume
$ sudo docker run --rm --volumes-from DATA2 -v $(pwd):/backup busybox tar xvf /backup/backup.tar
data/
data/sven.txt
# compare to the original con...