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What is a “callable”?
Now that it's clear what a metaclass is , there is an associated concept that I use all the time without knowing what it really means.
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How to select rows with no matching entry in another table?
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Let we have the following 2 tables(salary and employee)
Now i want those records from employee table which are not in salary.
We can do this in 3 ways:
Using inner Join
select * from employee
where id not in(select e.id from employee e inner join salary s on e.id=s.id)
Us...
How to get Erlang's release version number from a shell?
...E" doesn't see it either, but I have OTP 17.x installed. How am I able to know what "x" is?
– NobbZ
Apr 21 '15 at 14:30
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Upload file to FTP using C#
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PSA: webrequest is no longer recommended, this are now the official alternatives
– Pacharrin
Apr 16 '19 at 0:29
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ViewPager PagerAdapter not updating the View
...ts but doesn't default back to the first entry in the cursor. Does anyone know how to reset the position when updating the dataset?
– mAndroid
Sep 14 '11 at 5:16
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Python threading.timer - repeat function every 'n' seconds
....5 seconds and be able to start and stop and reset the timer. I'm not too knowledgeable of how Python threads work and am having difficulties with the python timer.
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How can I get form data with JavaScript/jQuery?
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@BartvanHeukelom I know this is 4 years later, but .serializeArray() will return an array.
– TJ WealthEngine API Evangelist
Oct 30 '14 at 15:30
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How to assert output with nosetest/unittest in python?
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Note: Under python 3.x the StringIO class must now be imported from the io module. from io import StringIO works in python 2.6+.
– Bryan P
May 8 '13 at 22:26
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Check for null in foreach loop
..., consider changing the getter of Headers instead. null is the value of unknown so if possible instead of using null as "I know there are no elements" when null actually(/originally) should be interpreted as "I don't know if there are any elements" use an empty set to show that you know there are no...
How do I remedy “The breakpoint will not currently be hit. No symbols have been loaded for this docu
...se. We had a postcompile that made it to not be considered 'User Code' ... now, I have to see what's up with that, but I do confirmed that without the postcompile modifications, the symbols are loaded. @Hans thank you, saved me some good minutes! sends a virtual beer
– eglasius...