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How to uncompress a tar.gz in another directory
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You can use the option -C (or --directory if you prefer long options) to give the target directory of your choice in case you are using the Gnu version of tar. The directory should exist:
mkdir foo
tar -xzf bar.tar.gz -C foo
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Objective-C: Extract filename from path string
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Taken from the NSString reference, you can use :
NSString *theFileName = [[string lastPathComponent] stringByDeletingPathExtension];
The lastPathComponent call will return thefile.ext, and the stringByDeletingPathExtension will remove the extension suffix from ...
Emacs: print key binding for a command or list all key bindings
In Emacs (GNU 23.2, *nix), how can I:
2 Answers
2
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Convert NSNumber to int in Objective-C
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basically [key intValue] (key is NSNumber)
– user924
Mar 26 '18 at 11:33
add a comment
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Getting number of days in a month
...sInJuly = System.DateTime.DaysInMonth(2001, July);
// daysInFeb gets 28 because the year 1998 was not a leap year.
int daysInFeb = System.DateTime.DaysInMonth(1998, Feb);
// daysInFebLeap gets 29 because the year 1996 was a leap year.
int daysInFebLeap = System.DateTime.DaysInMonth(1996, Feb);
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How to run cron job every 2 hours
How can I write a Crontab that will run my /home/username/test.sh script every 2 hours?
5 Answers
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How to get the last N rows of a pandas DataFrame?
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This is because of using integer indices (ix selects those by label over -3 rather than position, and this is by design: see integer indexing in pandas "gotchas"*).
*In newer versions of pandas prefer loc or iloc to remove the ambigui...
How to add target=“_blank” to JavaScript window.location?
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window.location sets the URL of your current window. To open a new window, you need to use window.open. This should work:
function ToKey(){
var key = document.tokey.key.value.toLowerCase();
if (key == "smk") {
window....
How can I use 'Not Like' operator in MongoDB
I can use the SQL Like Operator using pymongo ,
2 Answers
2
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OrderBy descending in Lambda expression?
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This only works in situations where you have a numeric field, but you can put a minus sign in front of the field name like so:
reportingNameGroups = reportingNameGroups.OrderBy(x=> - x.GroupNodeId);
However this works a little bit different than OrderByDescending when you have are running...