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How do I create a crontab through a script

I need to add a cron job thru a script I run to set up a server. I a<em>mem> currently using Ubuntu. I can use crontab -e but that will open an editor to edit the current crontab. I want to do this progra<em>mem><em>mem>atically. ...
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How to check if a file is a valid i<em>mem>age file?

I a<em>mem> currently using PIL. 11 Answers 11 ...
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Append value to e<em>mem>pty vector in R?

I'<em>mem> trying to learn R and I can't figure out how to append to a list. 8 Answers 8 ...
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Deter<em>mem>ine if a String is an Integer in Java [duplicate]

I'<em>mem> trying to deter<em>mem>ine if a particular ite<em>mem> in an Array of strings is an integer or not. 9 Answers ...
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Best way to iterate through a Perl array

Which is the best i<em>mem>ple<em>mem>entation(in ter<em>mem>s of speed and <em>mem>e<em>mem>ory usage) for iterating through a Perl array? Is there any better way? ( @Array need not be retained). ...
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How to get argu<em>mem>ents with flags in Bash

I know that I can easily get positioned para<em>mem>eters like this in bash: 11 Answers 11 ...
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What is the difference between And and AndAlso in VB.NET?

In VB.NET, what is the difference between And and AndAlso ? Which should I use? 11 Answers ...
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How do I resolve a HTTP 414 “Request URI too long” error?

I have developed a PHP web app. I a<em>mem> giving an option to the user to update <em>mem>ultiple issues on one go. In doing so, so<em>mem>eti<em>mem>es the user is encountering this error. Is there any way to increase the lenght of URL in apache? ...
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How to <em>mem>ove the cursor word by word in the OS X Ter<em>mem>inal

I know the co<em>mem>bination Ctrl + A to ju<em>mem>p to the beginning of the current co<em>mem><em>mem>and, and Ctrl + E to ju<em>mem>p to the end. 17 A...
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How to get the last value of an ArrayList

How can I get the last value of an ArrayList? 20 Answers 20 ...