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Pointers in C: when to use the ampersand and the asterisk?
... work differently when you're working with arrays, strings or when you're calling functions with a pointer copy of a variable. It's difficult to see a pattern of logic inside all of this.
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How can I reverse the order of lines in a file?
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Especially worth mentioning to those using a version of tail with no -r option! (Most Linux folks have GNU tail, which has no -r, so we have GNU tac).
– oylenshpeegul
Apr 12 '09 at 21:48
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Problem with converting int to string in Linq to entities
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If you call AsEnumerable you will pay a high performance price on larger databases because it will bring everything in memory. IEnumerable is slower in comparison with IQueryable because the later is executed exclusively in the data...
Importing two classes with same name. How to handle?
...ay that using two classes with the same name and a similiar function is usually not the best idea unless you can make it really clear which is which.
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What can be the reasons of connection refused errors?
...estination machine, but its backlog of pending connections is full.
A firewall between the client and server is blocking access (also check local firewalls).
After checking for firewalls and that the port is open, use telnet to connect to the ip/port to test connectivity. This removes any potentia...
Xcode Simulator: how to remove older unneeded devices?
I'm running Xcode 4.3.1 iOS-Simulator which originally only supports iOS 5.1.
18 Answers
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MySQL error code: 1175 during UPDATE in MySQL Workbench
... time thing I suggest you turn it back on as this makes it very easy to royally muck up your data if you're not careful
– Frankenmint
Aug 11 '16 at 9:08
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How do I remove/delete a folder that is not empty?
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This doesn't work for me: Traceback (most recent call last): File "foo.py", line 31, in <module> shutil.rmtree(thistestdir) File "/usr/lib/python2.6/shutil.py", line 225, in rmtree onerror(os.rmdir, path, sys.exc_info()) File "/usr/lib/python2.6/shutil.py...
Python Create unix timestamp five minutes in the future
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Now in Python >= 3.3 you can just call the timestamp() method to get the timestamp as a float.
import datetime
current_time = datetime.datetime.now(datetime.timezone.utc)
unix_timestamp = current_time.timestamp() # works if Python >= 3.3
unix_timestamp_pl...
How do you disable viewport zooming on Mobile Safari?
I've tried all three of these to no avail:
15 Answers
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