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Restarting cron after changing crontab file?
... the cron man page:
...cron will then examine the modification time on all crontabs
and reload those which have changed. Thus cron need not be restarted
whenever a crontab file is modified
But if you just want to make sure its done anyway,
sudo service cron reload
or
/etc/init.d...
What's the reason I can't create generic array types in Java?
What's the reason why Java doesn't allow us to do
17 Answers
17
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How can I tell Rails to use RSpec instead of test-unit when creating a new Rails app?
I have test-unit installed and rspec installed (along with -core , -expectations , -mocks and -rails version 2.6.x). When I run the command rails new foo , it uses test-unit to generate the test stub files instead of rspec .
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Difference between await and ContinueWith
...ng example. I'm trying to use TPL for the first time and have been reading all the documentation, but don't understand the difference.
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How come an array's address is equal to its value in C?
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The name of an array usually evaluates to the address of the first element of the array, so array and &array have the same value (but different types, so array+1 and &array+1 will not be equal if the array is more than 1 element long).
Ther...
How to append a newline to StringBuilder
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@tuscland - Why not just use System.lineSeparator() all the time? Why is '\n' a better option as default?
– RyanfaeScotland
Jun 3 '15 at 15:46
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Setting mime type for excel document
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edited Feb 22 at 1:46
Callum Watkins
2,22222 gold badges2323 silver badges4040 bronze badges
answered Dec 26 '09 at 19:44
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How to sort a HashSet?
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Add all your objects to the TreeSet, you will get a sorted Set. Below is a raw example.
HashSet myHashSet = new HashSet();
myHashSet.add(1);
myHashSet.add(23);
myHashSet.add(45);
myHashSet.add(12);
TreeSet myTreeSet = new TreeS...
Change the name of a key in dictionary
...>>> dictionary['ONE'] = dictionary.pop(1)
Traceback (most recent call last):
File "<input>", line 1, in <module>
KeyError: 1
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Android add placeholder text to EditText
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Thanks! I didn't know what they call it in android, I just know that on iOS it's called placeholder.
– Mona
Nov 22 '11 at 4:24
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