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Cron jobs and random times, within given hours
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If I understand what you're looking for, you'll need to do something a bit messy, like having a cron job that runs a bash script that randomizes the run times... Something like this:
crontab:
0 9 * * * /path/to/bashscript
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How to output git log with the first line only?
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The first line of a commit message is meant to be a short description. If you cannot make it in a single line you can use several, but git considers everything before the first empty line to be the "short description". oneline prints the whole short description, so all your 3 rows.
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How to read a file without newlines?
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temp = [line[:-1] for line in file]
Note: this last solution only works if the file ends with a newline, otherwise the last line will lose a character.
This assumption is true in most cases (especially for files created by text editors, which often do add an ending newline anyway).
If you want ...
Android layout replacing a view with another view on run time
...ossible to load either option1 or option2 in run time via Java into C? If so, what function do I have to use?
4 Answers...
IntelliJ IDEA shows errors when using Spring's @Autowired annotation
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But what if you actually forget to annotate a bean. You won't get any warning?
– Cleankod
Nov 22 '15 at 15:56
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Fastest way to check a string contain another substring in JavaScript?
...pdate 2011:
It cannot be said with certainty which method is faster. The differences between the browsers is enormous. While in Chrome 10 indexOf seems to be faster, in Safari 5, indexOf is clearly slower than any other method.
You have to see and try for your self. It depends on your needs. For e...
How to use enum values in f:selectItem(s)
...t possible to make the f:selectItem more flexible considering what happens if the order of the enums changes, and if the list was large? And could I do this better? And is it possible to automatically "select" the item that the question have?
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Convert a negative number to a positive one in JavaScript
...y quick, but not clear as to what it's doing. WHipped this up to show the difference: jsperf.com/absolute-int
– omgaz
Oct 15 '14 at 23:25
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The object cannot be deleted because it was not found in the ObjectStateManager
...going on when deleting child data from a parent - which was called from a different context, outside of a TransactionScope. Moved the parent call inside the scope and same context and my problem was solved.
– dan richardson
Feb 7 '13 at 10:31
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What is the difference between float and double?
I've read about the difference between double precision and single precision. However, in most cases, float and double seem to be interchangeable, i.e. using one or the other does not seem to affect the results. Is this really the case? When are floats and doubles interchangeable? What are the d...