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Differences between hard real-time, soft real-time, and firm real-time?
... failing to meet a single deadline.
For a fair example of hard real-time, from the page you linked:
Early video game systems such as the Atari 2600 and Cinematronics vector graphics had hard real-time requirements because of the nature of the graphics and timing hardware.
If something in the ...
Hibernate: “Field 'id' doesn't have a default value”
...te is set up to automatically create/manage the DB schema. To drop tables from a managed schema, SET foreign_key_checks = 0; is your friend. Just be sure to SET foreign_key_checks = 1; when you're done.
– aroth
Aug 27 '12 at 5:00
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Is [UIScreen mainScreen].bounds.size becoming orientation-dependent in iOS8?
...t's orientation-dependent in iOS8, not a bug. You could review session 214 from WWDC 2014 for more info: "View Controller Advancements in iOS 8"
Quote from the presentation:
UIScreen is now interface oriented:
[UIScreen bounds] now interface-oriented
[UIScreen applicationFrame] now interface-ori...
Detecting request type in PHP (GET, POST, PUT or DELETE)
...$_POST and $_GET are somewhat unfortunately named. $_GET contain variables from the URL's query component, regardless of the HTTP method. $_POST will contain form fields if the request was sent as application/x-www-form-urlencoded.
– Pj Dietz
Jul 23 '14 at 21:...
Remote origin already exists on 'git push' to a new repository
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"git remote rm origin" didn't work from me, if it doesn't work for you try to check with "git remote -v" this will show you if your origin has a url set, if it doesn't likely you did the init locally and are trying to push it remote, and made a misstep like me...
Ubuntu rails install fails on zlib
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This is the best resource i found. I installed ruby from source without rvm, and get a problem with zlib. This post help alot. Thank you!
– cristian
Jan 11 '11 at 11:43
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How do you round UP a number in Python?
...the function returns a float. If you want an int, you can construct an int from the return value, i.e., int(math.ceil(363))
– R. W. Sinnet
Aug 26 '15 at 23:37
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How do I check if a directory exists? “is_dir”, “file_exists” or both?
...k both. There might be a regular file named 'foo', which would prevent you from creating a directory name 'foo'.
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How to search a Git repository by commit message?
...way. The git-ready reflog article may be of help.
To recover your commit from the reflog: do a git checkout of the commit you found (and optionally make a new branch or tag of it for reference)
git checkout 77b1f718d19e5cf46e2fab8405a9a0859c9c2889
# alternative, using reflog (see git-ready link p...
log4net hierarchy and logging levels
... @mrhotroad I'm not sure how different the current version of log4net is from the version in 2014, but here's the doc on LevelMatchFilter.AcceptOnMatch. logging.apache.org/log4net/release/sdk/html/… So you can do <levelToMatch value="WARN" AcceptOnMatch="false" />
– u...