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How do I replace NA values with zeros in an R dataframe?
...u post it and not worked. Because this I posted the question. But I tried know and worked perfectly. I think I was doing something wrong.
– Renato Dinhani
Nov 17 '11 at 14:08
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How To Set Up GUI On Amazon EC2 Ubuntu server
...in /home/lonely/.vnc/xstartup
Log file is /home/lonely/.vnc/ubuntu:1.log
Now you can access GUI using IP/Domain and port 1
stackoverflow.com:1
Tested on AWS and digital ocean .
For AWS, you have to allow port 5901 on firewall
To kill session
$ vncserver -kill :1
Refer:
https://linode.com/d...
How to install latest version of git on CentOS 7.x/6.x
... yum install gcc perl-ExtUtils-MakeMaker
Step 2: Uninstall old Git RPM
Now remove any prior installation of Git through RPM file or Yum package manager. If your older version is also compiled through source, then skip this step.
# yum remove git
Step 3: Download and Compile Git Source
Downlo...
Evenly space multiple views within a container view
..., so until your app needs support for IOS8 @Mete response is the best for now.
– ZiggyST
Feb 24 '16 at 17:06
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Call Activity method from adapter
...ould not cast mContext to your Activity as you are avoiding reuse of code. Now this adapter can only be used inside the Activity which you have casted your mContext variable to, where if you have a listener defined then you can reuse the same Adapter in another Activity. Trust me i have spent enough...
How to escape a JSON string containing newline characters using JavaScript?
...) method and replace all occurrences of \n with \\n.
EDIT:
As far as I know of, there are no well-known JS libraries for escaping all special characters in a string. But, you could chain the .replace() method and replace all of the special characters like this:
var myJSONString = JSON.stringify(...
How can I capitalize the first letter of each word in a string?
...urn re.sub("(^|\s)(\S)", lambda m: m.group(1) + m.group(2).upper(), s)
Now, these are some other answers that were posted, and inputs for which they don't work as expected if we are using the definition of a word being the start of the sentence or anything after a blank space:
return s.title(...
Shell - How to find directory of some command?
I know that when you are on shell, the only commands that can be used are the ones that can be found on some directory set on PATH.
Even I don't know how to see what dirs are on my PATH variable (and this is another good question that could be answered), what I'd like to know is:
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Why does Python pep-8 strongly recommend spaces over tabs for indentation?
...ogrammers choose to use spaces before PEP-8? That's what I really want to know. The advantages of tabs seem obvious to me, but not spaces.
– einnocent
Mar 1 '14 at 0:40
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How to use PyCharm to debug Scrapy projects
...a good Python debugger. I want to test my Scrapy spiders using it. Anyone knows how to do that please?
10 Answers
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