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Twitter Bootstrap 3: how to use media queries?
...ecause "extra small" is the default. I.e. you would first code the XS size and then have these media overrides afterwards.
@media(min-width:576px){}
@media(min-width:768px){}
@media(min-width:992px){}
@media(min-width:1200px){}
Update 2019-02-11: BS3 info is still accurate as of version 3.4.0, up...
What does the exclamation mark mean in a Haskell declaration?
...s I try to learn Haskell using a real project to drive it. I don't understand what the exclamation mark in front of each argument means and my books didn't seem to mention it.
...
Delete commits from a branch in Git
...e sure to stash any local changes you want to keep before running this command.
Assuming you are sitting on that commit, then this command will wack it...
git reset --hard HEAD~1
The HEAD~1 means the commit before head.
Or, you could look at the output of git log, find the commit id of the comm...
How do I pull files from remote without overwriting local files?
...
Well, yes, and no...
I understand that you want your local copies to "override" what's in the remote, but, oh, man, if someone has modified the files in the remote repo in some different way, and you just ignore their changes and try t...
Why am I getting this error: No mapping specified for the following EntitySet/AssociationSet - Entit
... state that the SSDL does not exist. You can drag entities, associate them and so forth and yet, if you take a look at the SSDL on the EDMX file, you will see that none of the entities have an associated storage table in the SSDL.
That changes when you click the Generate Database From Model context...
Stash just a single file
...complish more complex things with branches without that much more headache and work.
# git checkout -b tmpbranch
# git add the_file
# git commit -m "stashing the_file"
# git checkout master
go about and do what you want, and then later simply rebase and/or merge the tmpbranch. It really isn't th...
Converting String to Int with Swift
The application basically calculates acceleration by inputting Initial and final velocity and time and then use a formula to calculate acceleration. However, since the values in the text boxes are string, I am unable to convert them to integers.
...
Where can I learn how to write C code to speed up slow R functions? [closed]
...for learning how to write C code for use with R? I know about the system and foreign language interfaces section of R extensions, but I find it pretty hard going. What are good resources (both online and offline) for writing C code for use with R?
...
How do you join on the same table, twice, in mysql?
I have 2 tables. One (domains) has domain ids, and domain names (dom_id, dom_url).
3 Answers
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How should I ethically approach user password storage for later plaintext retrieval?
As I continue to build more and more websites and web applications I am often asked to store user's passwords in a way that they can be retrieved if/when the user has an issue (either to email a forgotten password link, walk them through over the phone, etc.) When I can I fight bitterly against thi...