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Object-orientation in C
...just your pointers based on the proper offsets, which is really tricky and error-prone.
Another (tricky) thing you can do is change the dynamic type of an object at runtime! You just reassign it a new vtable pointer. You can even selectively change some of the virtual functions while keeping othe...
How Scalable is SQLite? [closed]
...I just remember slow page loads and occasionally getting a database locked error when trying to execute queries from the shell in sqlite. That said, I am running another site from SQLite just fine. The difference is that the site is static (i.e. I'm the only one that can change the database) and so ...
How can I remove an SSH key?
...If you're trying to perform an SSH-related operation and get the following error:
$ git fetch
no such identity: <ssh key path>: No such file or directory
You can remove the missing SSH key from your SSH agent with the following:
$ eval `ssh-agent -s` # start ssh agent
$ ssh-add -D <ssh ke...
Debug vs Release in CMake
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@thiagowfx -i option results in this error message: The "cmake -i" wizard mode is no longer supported.. I'm using cmake 3.7.1
– Philipp Claßen
Jan 4 '17 at 21:01
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Should I use @EJB or @Inject
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Nov 2009, 20:48 America/New_York | Link Gavin King
That error is very strange, since EJB local references should always
be serializable. Bug in glassfish, perhaps?
Basically, @Inject is always better, since:
it is more typesafe,
it supports @Alternatives, and
it is aware o...
Remove a folder from git tracking
...--ignore-unmatch is important here, without that option git will exit with error on the first file not in the index.
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How to delete duplicates on a MySQL table?
....7.4, the IGNORE clause for ALTER TABLE is removed and its use produces an error.
– Geoffrey Booth
Jan 10 '16 at 22:04
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How do I get a Cron like scheduler in Python? [closed]
...lif (roundedDownTime > nextRunTime):
# We missed an execution. Error. Re initialize.
nextRunTime = getNextCronRunTime(schedule)
sleepTillTopOfNextMinute()
Helper routines:
from croniter import croniter
from datetime import datetime, timedelta
# Round time down to the to...
Can “git pull --all” update all my local branches?
...er using set -e instead of || exit 1 to make the interpreter exit on first error.
– crishoj
May 2 '18 at 11:32
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dealloc in Swift
...onCenter notification. Implementing dealloc results in a Swift compiler error:
5 Answers
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