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How to empty/destroy a session in rails?
....clear
or
if specific keys have to be destroyed:
session.delete(key)
Tested in rails 3.2
added
People have mentioned by session={} is a bad idea. Regarding session.clear, Lobati comments- It looks like you're probably better off using reset_session [than session.clear], as it does some oth...
mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc… expects parameter 1 to
...ll return false from their respective query functions/methods. You need to test for that error condition and handle it accordingly.
mysql_* extension:
NOTE The mysql_ functions are deprecated and have been removed in php version 7.
Check $result before passing it to mysql_fetch_array. You'll ...
In Python, how can you load YAML mappings as OrderedDicts?
...
has anyone tested this code properly? I can not get it to work in my application!
– theAlse
Jun 4 '13 at 7:03
...
How to reuse existing C# class definitions in TypeScript projects
...to work with, but it was a small price to pay for being able to modify and test code in VS and then 'compile' it to Javascript via TypeScript.
– John Mott
Oct 15 '17 at 19:16
...
Crontab Day of the Week syntax
...
This won't work for some distributions; testing with Ubuntu 14.04.3 LTS, I got "/tmp/crontab.Nuq9GE/crontab":24: bad day-of-week"
– 0x4B1D
Jan 6 '16 at 3:48
...
How to select Python version in PyCharm?
...roject interpreter
Select desired Project interpreter
Apply + OK
[NOTE]:
Tested on Pycharm 2018 and 2017.
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targetContentOffsetForProposedContentOffset:withScrollingVelocity without subclassing UICollectionVi
... velocity: CGPoint) -> CGPoint {
var offsetAdjustment = CGFloat.greatestFiniteMagnitude
let horizontalOffset = proposedContentOffset.x
let targetRect = CGRect(origin: CGPoint(x: proposedContentOffset.x, y: 0), size: self.collectionView!.bounds.size)
for layoutAttributes in super....
Inline code in org-mode
...works as advertised, turning
- Inline code src_sh[:exports code]{echo -e "test"}
Into
in html-export. And the winning answer in this post, https://stackoverflow.com/a/28059832/594138, achieves the same without the need to patch org.el, but you will have to adapt it if you don't like the optics...
How to detect a Christmas Tree? [closed]
...n the scene, so the first threshold is just a simple monochrome brightness test; any pixels with values above 220 on a 0-255 scale (where black is 0 and white is 255) are saved to a binary black-and-white image. The second threshold tries to look for red and yellow lights, which are particularly pr...
How to deal with a slow SecureRandom generator?
... if you want the stream to be repeatable in future using the same seed for testing purposes, an insecure seed is still useful.
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