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How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar
...[predicateArray addObject:[NSPredicate predicateWithFormat:@"name CONTAINS[cd] %@", searchString]];
// finally add the filter predicate for this view
if(filterPredicate)
{
filterPredicate = [NSCompoundPredicate andPredicateWithSubpredicates:[NSArray arrayWithObjec...
How do I determine whether an array contains a particular value in Java?
...).
Since java-8 you can now use Streams.
String[] values = {"AB","BC","CD","AE"};
boolean contains = Arrays.stream(values).anyMatch("s"::equals);
To check whether an array of int, double or long contains a value use IntStream, DoubleStream or LongStream respectively.
Example
int[] a = {1,2,3...
no acceptable C compiler found in $PATH when installing python
...s a tut that points how this step. http://luiarthur.github.io/gccinstall
cd ~/src
wget http://www.netgull.com/gcc/releases/gcc-5.2.0/gcc-5.2.0.tar.gz
or equivalent gcc source, then
tar -xvf gcc-5.2.0.tar.gz
cd gcc-5.2.0
./contrib/download_prerequisites
cd ..
mkdir objdir
cd objdir
$PWD/../gcc-5...
brew update: The following untracked working tree files would be overwritten by merge:
...
Don't forget to fetch the origin!!!
$ cd /usr/local
$ git fetch origin
$ git reset --hard origin/master
Explanation, for those interested:
What happens is that you are trying to update brew, but brew itself is either not up to date (likely), there is a permissi...
Publish to S3 using Git?
...te a git repository to upload:
s3cmd mb s3://git-repos
mkdir chef-recipes
cd chef-recipes
git init
touch README
git add README
git commit README
git remote add origin amazon-s3://.jgit@git-repos/chef-recipes.git
In the above I’m using the s3cmd command line tool to create the bucket but you can...
How do you tell if a string contains another string in POSIX sh?
...e
return 1 # $substring is not in $string
fi
}
contains "abcd" "e" || echo "abcd does not contain e"
contains "abcd" "ab" && echo "abcd contains ab"
contains "abcd" "bc" && echo "abcd contains bc"
contains "abcd" "cd" && echo "abcd contains cd"
contains "abcd"...
Is it possible to do a sparse checkout without checking out the whole repository first?
...re is how I did it:
git clone <URL> --no-checkout <directory>
cd <directory>
git sparse-checkout init --cone # to fetch only root files
git sparse-checkout set apps/my_app libs/my_lib # etc, to list sub-folders to checkout
# they are checked out immediately after this command, no ...
All combinations of a list of lists
...he product the "manual" way:
def product(*args, **kwds):
# product('ABCD', 'xy') --> Ax Ay Bx By Cx Cy Dx Dy
# product(range(2), repeat=3) --> 000 001 010 011 100 101 110 111
pools = map(tuple, args) * kwds.get('repeat', 1)
result = [[]]
for pool in pools:
result =...
Perform an action in every sub-directory using Bash
...
Use find command.
In GNU find, you can use -execdir parameter:
find . -type d -execdir realpath "{}" ';'
or by using -exec parameter:
find . -type d -exec sh -c 'cd -P "$0" && pwd -P' {} \;
or with xargs command:
find . -type d -print0 | xargs -0 -L1 sh -c ...
Is it possible to have a Subversion repository as a Git submodule?
...t repository.
git svn clone -s http://subversion.example.com/ mysvnclone
cd mysvnclone
git remote add origin git@example.com:project.git
git push origin master
Then you can add the git repository as a submodule to the original project
cd /path/to/gitproject
git submodule add git://example.com/p...