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How to delete files older than X hours
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Does your find have the -mmin option? That can let you test the number of mins since last modification:
find $LOCATION -name $REQUIRED_FILES -type f -mmin +360 -delete
Or maybe look at using tmpwatch to do the same job. ph...
Why do variable names often start with the letter 'm'? [duplicate]
...are named starting with the letter 'm'. What convention is this, and where does it originate from?
8 Answers
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How do I declare a global variable in VBA?
...k things:
Be organized when using workbook level variables, so your code doesn't get confusing. Prefer Functions (with proper data types) or passing arguments ByRef.
If you want a variable to preserve its value between calls, you can use the Static statement.
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How to clear MemoryCache?
... to reload the cache I want to clear it first. What is the quickest way to do this? Should I loop through all the items and remove them one at a time or is there a better way?
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How do I make a placeholder for a 'select' box?
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Firefox (10) doesn't show a disabled option as the default selection (placeholder). It shows the next one by default, in this case "Durr".
– jarnoan
Feb 27 '12 at 12:12
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Use PPK file in Mac Terminal to connect to remote connection over SSH [closed]
I have been using Putty on Windows XP and used the .ppk file to connect to my Linux servers (several servers).
3 Answers
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Mysql: Select rows from a table that are not in another
How to select all rows in one table that do not appear on another?
8 Answers
8
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Incrementing a date in JavaScript
...10 in the Eastern timezone). Instead, Jigar's answer is the correct way to do this without a library:
var tomorrow = new Date();
tomorrow.setDate(tomorrow.getDate() + 1);
This works even for the last day of a month (or year), because the JavaScript date object is smart about rollover:
var la...
ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.al
...ug in my code which was causing all sorts of problems. I was inadvertently doing a bitwise AND instead of a logical AND .
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Speed up the loop operation in R
...e vector res which gather results. At the end I add it to data.frame and I don't need to mess with names.
So how better is it?
I run each function for data.frame with nrow from 1,000 to 10,000 by 1,000 and measure time with system.time
X <- as.data.frame(matrix(sample(1:10, n*9, TRUE), n, 9))
s...