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scp (secure copy) to ec2 instance without password
...om a local server to a remote server
sudo scp -i my-pem-file.pem ./source/test.txt ec2-user@1.2.3.4:~/destination/
copy a file from a remote server to a local machine
sudo scp -i my-pem-file.pem ec2-user@1.2.3.4:~/source/of/remote/test.txt ./where/to/put
So the basically syntax is:-
scp -i my...
win7 安装项目管理工具redmine2.5.1 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...，在redmine目录下执行：
bundle install --without development test
这里可能会出现几个错误：
解决办法，将mysql-connector-c-6.1.3-win32.zip解压到C盘，并将lib中libmysql.dll拷贝到C:\RailsInstaller\Ruby1.9.3\bin。替换原有的libmysql.dll。
执行...
Bare asterisk in function arguments?
...t below, there are two examples, one with *args and one with **kwargs
def test_args_kwargs(arg1, arg2, arg3):
print "arg1:", arg1
print "arg2:", arg2
print "arg3:", arg3
# first with *args
>>> args = ("two", 3,5)
>>> test_args_kwargs(*args)
arg1: two
arg2: 3
arg3: 5
...
How to access a preexisting collection with Mongoose?
I have a large collection of 300 question objects in a database test . I can interact with this collection easily through MongoDB's interactive shell; however, when I try to get the collection through Mongoose in an express.js application I get an empty array.
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What does the question mark operator mean in Ruby?
... a ternary operator, converting a character to its ASCII integer, usage in test, in RegEx'es, etc.) many of which are covered in the other answers here.
– Karl Wilbur
Sep 11 '15 at 20:36
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Replace all spaces in a string with '+' [duplicate]
...ion is slower on large replacement compared to the reg expression version. Test with the 3 solutions posted: jsbin.com/isadi3/2 Firefox has minimal timing difference, IE has a noticeable difference. So if speed matters and you have a large set of replacements, reg exp is the way to go.
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PHP YAML Parsers [closed]
...' motivations here. He wanted something that was "easy to use, fast, unit tested and had clear error messages."
spyc: YAML parser without dependencies
At the time of this writing, the latest versions release dates for the aforementioned libraries and the versions of the YAML spec (1.2 is the lat...
Bootstrap modal: background jumps to top on toggle
...
This works, I've tested it personally.
– Alpha
Sep 23 at 10:31
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How do I get currency exchange rates via an API such as Google Finance? [closed]
...les.org/alltableswithkeys][1]
Here is the YQL query builder, where you can test a query and copy the url: (NO LONGER AVAILABLE)
http://developer.yahoo.com/yql/console/?q=show%20tables&env=store://datatables.org/alltableswithkeys#h=select%20*%20from%20yahoo.finance.xchange%20where%20pair%20in%20%...
Regex: matching up to the first occurrence of a character
...
sample text:
"this is a test sentence; to prove this regex; that is g;iven below"
If for example we have the sample text above, the regex /(.*?\;)/ will give you everything until the first occurence of semicolon (;), including the semicolon: "this...