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What's the best way to use R scripts on the command line (terminal)?
It's very convenient to have R scripts for doing simple plots from the command line. However, running R from bash scripts is not convenient at all. The ideal might be something like
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Terminating a script in PowerShell
I've been looking for a way to terminate a PowerShell (PS1) script when an unrecoverable error occurs within a function. For example:
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Versioning SQL Server database
...ngle production database instance, I use two techniques:
Database Upgrade Scripts
A sequence database upgrade scripts that contain the DDL necessary to move the schema from version N to N+1. (These go in your version control system.) A _version_history_ table, something like
create table Versio...
Discuz与phpsso整合时无法同步登录：通过js load 另一个 script 文件导致的...
...于跨域同步、远程调用等目的，经常需要在网页中通过 script 加载另一段远程 script。最常用最简单的方法就是直接用 document.write 输出加载脚本的 HTML，如下：document.write('<script src="http://somehost/path/to/script.js" type="text/...
Sequence contains no elements?
...rongly typed as BlogPost. On the edit page, I only have text boxes for the title and content, the ID and date aren't put on the page at all. Could this be the reason for it passing them as null\new?
– Andy Hunt
Aug 24 '09 at 19:43
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Scheduling R Script
I have written an R script that pulls some data from a database, performs several operations on it and post the output to a new database.
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Why is document.write considered a “bad practice”?
...ndeed it could be considered an advantage for certain things, e.g., adding script elements (actually about the only thing I'd use DW for, and even then I'd think twice).
– nnnnnn
Dec 25 '11 at 12:16
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redirect COPY of stdout to log file from within bash script itself
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echo "bar" >&2
Note that this is bash, not sh. If you invoke the script with sh myscript.sh, you will get an error along the lines of syntax error near unexpected token '>'.
If you are working with signal traps, you might want to use the tee -i option to avoid disruption of the output ...
Elevating process privilege programmatically?
...ute(C# Process.Start) can elevate - use verb "runas".
// Or an elevate vbs script can launch programs as admin.
// (does not work: "runas /user:admin" from cmd-line prompts for admin pass)
Update: The app manifest way is preferred:
Right click project in visual studio, add, new application mani...
How do I use Ruby for shell scripting?
I have some simple shell scripting tasks that I want to do
13 Answers
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