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Where do I use delegates? [closed]
...situations where you need to execute a particular action, but you don’t know in
advance which method, or even which object, you’ll want to call upon
to execute it.
For Example: A button might not know which object or objects need to be notified. Rather than wiring the button to a particular
ob...
How to log cron jobs?
I want to know how I can see exactly what the cron jobs are doing on each execution. Where are the log files located? Or can I send the output to my email? I have set the email address to send the log when the cron job runs but I haven't received anything yet.
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What version of javac built my jar?
... file, and it could have been built in any one of three JDKs. We need to know exactly which one, so we can certify compatibility. Is the compiler version embedded somewhere in the class files or jar?
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Jquery .on() submit event
...ent).on has much lower performance than $('form.remember').on('submit'. It now has to listen for all submit events in the document. It's much better to restrict the scope a little than listen on document, if possible
– Liam
Nov 4 '14 at 10:03
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Showing a different background colour in Vim past 80 characters
...suit your preferences):
highlight ColorColumn ctermbg=235 guibg=#2c2d27
Now I like to highlight column 80 as well as 120 and onward, so I have separate "warning" and "danger" markers. You can do that thusly:
let &colorcolumn="80,".join(range(120,999),",")
Example
Here's a screenshot of GV...
FirstOrDefault: Default value other than null
...s, but more serious is that value == default(T) doesn't work (because who knows if T can be compared for equality?)
– AakashM
Oct 19 '12 at 10:54
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Include another HTML file in a HTML file
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@wizzwizz4: Thanks to Greg, the sed command now also escapes single quotes and backslashes. Furthermore, I've added a bash script that does all the work for you. :-)
– Tafkadasoh
Jan 15 '18 at 6:40
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How to access the GET parameters after “?” in Express?
I know how to get the params for queries like this:
8 Answers
8
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Add alternating row color to SQL Server Reporting services report
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@FistOfFury The only solution I know is to ensure a value is set (usually 0) for missing data.
– Kyle Hale
Dec 2 '13 at 19:27
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enum - getting value of enum on string conversion
...x = 1
y = 2
def __str__(self):
return '%s' % self.value
now I can just do
print(D.x) to get 1 as result.
You can also use self.name in case you wanted to print x instead of 1.
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