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In Python, what happens when you import inside of a function? [duplicate]
... Importing a module for the first time is expensive. Try running an empty script vs one containing just import string,itertools,fractions,heapq,re,array,bisect,collections,math,os. The first takes an average of 180 ms, and the second 230 ms. So it's not microseconds for starters. It's tens of milli...
Map a network drive to be used by a service
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Very informative... Am I correct in assuming that logon scripts are also run only for interactive logon sessions and not for service sessions?
– VoidPointer
Oct 8 '08 at 13:55
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MySQL: ignore errors when importing?
...rors to the console.
For example:
mysql -u userName -p -f -D dbName < script.sql
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Uncatchable ChuckNorrisException
...-Xverify:none)
UPDATE 3:
For those following from home, here is the full script:
Create the following classes:
public class ChuckNorrisException
extends RuntimeException // <- Comment out this line on second compilation
{
public ChuckNorrisException() { }
}
public class TestVillain {...
How to save a plot as image on the disk?
..., and an answer for each.
1. An image will be generated in future in my script, how do I save it to disk?
To save a plot, you need to do the following:
Open a device, using png(), bmp(), pdf() or similar
Plot your model
Close the device using dev.off()
Some example code for saving the plot t...
How to tell git to use the correct identity (name and email) for a given project?
...r the wrong identity.
That was exactly my problem. I have written a hook script which warns you if you have any github remote and not defined a local username.
Here's how you set it up:
Create a directory to hold the global hook
mkdir -p ~/.git-templates/hooks
Tell git to copy everything in ~/...
Convert a python UTC datetime to a local datetime using only python standard library?
..., Windows? quality...) which would be more costly than working on my small script.
– Nitro Zark
Dec 30 '10 at 15:47
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SQL - Update multiple records in one query
...dd the parent id and child ids to update all the rows u need using a small script.
UPDATE [Table]
SET couloumn1= (select couloumn1 FROM Table WHERE IDCouloumn = [PArent ID]),
couloumn2= (select couloumn2 FROM Table WHERE IDCouloumn = [PArent ID]),
couloumn3= (select couloumn3 FROM Ta...
How to drop columns using Rails migration
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For older versions of Rails
ruby script/generate migration RemoveFieldNameFromTableName field_name:datatype
For Rails 3 and up
rails generate migration RemoveFieldNameFromTableName field_name:datatype
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Why is $$ returning the same id as the parent process?
...matter if it's in a subshell or not.
$$ is an alias in Bash to the current script PID. See differences between $$ and $BASHPID here, and right above that the additional variable $BASH_SUBSHELL which contains the nesting level.
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