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Can't su to user jenkins after installing Jenkins
...run this command "docker exec -it (container-name or container-id) bash"
Now hopefully you will be using as a jenkins user.
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iOS 6: How do I restrict some views to portrait and allow others to rotate?
...Controllers lastObject] preferredInterfaceOrientationForPresentation];
}
Now add all orientations in the plist
In the view controller add only the required ones:
-(BOOL)shouldAutorotate
{
return YES;
}
-(NSUInteger)supportedInterfaceOrientations
{
return UIInterfaceOrientationMaskPor...
Meaning of numbers in “col-md-4”,“ col-xs-1”, “col-lg-2” in Bootstrap
...
Applies to Bootstrap 3 only.
Ignoring the letters (xs, sm, md, lg) for now, I'll start with just the numbers...
the numbers (1-12) represent a portion of the total width of any div
all divs are divided into 12 columns
so, col-*-6 spans 6 of 12 columns (half the width), col-*-12 spans 12 of 12 ...
How many levels of pointers can we have?
...evels where this can terminate.
struct list { struct list *next; ... };
now you can have list->next->next->next->...->next. This is really just multiple pointer indirections: *(*(..(*(*(*list).next).next).next...).next).next. And the .next is basically a noop when it's the first m...
When to delete branches in Git?
...ranch on GitHub.
Because some links can't be changed, such as in email, I now avoid hyperlinking to GitHub branches entirely and link to a commit or tag from day one.
I prefer to delete branches after they're merged in. This prevents the visual clutter of a long list of branches in your repository...
Permission denied on accessing host directory in Docker
... is empty and the container is created with the named volume.
MacOS users now have OSXFS which handles uid/gid's automatically between the Mac host and containers. One place it doesn't help with are files from inside the embedded VM that get mounted into the container, like /var/lib/docker.sock.
F...
How to combine two or more querysets in a Django view?
...ss memory than converting each queryset into a list before concatenating.
Now it's possible to sort the resulting list e.g. by date (as requested in hasen j's comment to another answer). The sorted() function conveniently accepts a generator and returns a list:
result_list = sorted(
chain(page...
Java Pass Method as Parameter
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In Java 8, you can now pass a method more easily using Lambda Expressions and Method References. First, some background: a functional interface is an interface that has one and only one abstract method, although it can contain any number of def...
How to get relative path from absolute path
... People... you can just remove the whole GetPathAttribute, you know. As long as you make absolutely sure the arguments you give are directories, you just need to give it 0x10 and it'll work with completely nonexistent paths. And in my case, the preferred solution is simply to return the f...
Showing a different background colour in Vim past 80 characters
...suit your preferences):
highlight ColorColumn ctermbg=235 guibg=#2c2d27
Now I like to highlight column 80 as well as 120 and onward, so I have separate "warning" and "danger" markers. You can do that thusly:
let &colorcolumn="80,".join(range(120,999),",")
Example
Here's a screenshot of GV...