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Check for installed packages before running install.packages() [duplicate]
I have an R script that is shared with several users on different computers. One of its lines contains the install.packages("xtable") command.
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How to prevent http file caching in Apache httpd (MAMP)
I am developing a single page Javascript application in MAMP. My JavaScript and HTML template files are getting cached between requests.
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Programmatically generate video or animated GIF in Python?
...g post has a method to create animated GIFs in the comments. Download the script images2gif.py (formerly images2gif.py, update courtesy of @geographika).
Then, to reverse the frames in a gif, for instance:
#!/usr/bin/env python
from PIL import Image, ImageSequence
import sys, os
filename = sys.a...
JavaScript: location.href to open in new window/tab?
I have a JavaScript file from a third party developer. It has a has link which replaces the current page with the target. I want to have this page opened in a new tab.
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How to turn on line numbers in IDLE?
...top (Win10) like this:
C:\Python\Python37\pythonw.exe "C:\Python\Python37\Scripts\idlex.pyw"
The paths may be different and need to be changed:
C:\Python\Python37
(Thanks for the great answers above)
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Shell Script — Get all files modified after
I'd rather not do this in PHP so I'm hoping a someone decent at shell scripting can help.
9 Answers
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What's the difference between including files with JSP include directive, JSP include action and usi
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Directives: These convey information regarding the JSP page as a
whole.
Scripting elements: These are Java coding elements such as
declarations, expressions, scriptlets, and comments.
Objects and scopes: JSP objects can be created either explicitly or
implicitly and are accessible within a given ...
Clearing all cookies with JavaScript
How do you delete all the cookies for the current domain using JavaScript?
18 Answers
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Adding a new value to an existing ENUM Type
...re keeping all the old enums and adding new ones. Additionally our update script is transactional. Great post!
– Darin Peterson
Jul 16 '13 at 20:38
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Exit single-user mode
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Also, down load my usp_who2 script (craftydba.com/wp-content/uploads/2011/09/usp-who2.txt). Execute it. It places the utility in msdb.dbo.usp_who2. It saves the results of sp_who2 into a table in tempdb under your user id, filter by the database name...