Search in SVN repository for a file name
The following works for me (svn version 1.4.6) svn list -R <URL> | grep “<file_pattern>”
search
How to include forward slash in vi search & replace
Here are two ways: escape the / which is the default substitute separator: :s/usrbin/\/usr\/bin use another substitute separator, e.g., using the hash # character: :s#usrbin#/usr/bin. Note that there are characters that you can’t use as a separator: “, \, | You can review this in the help subsystem using :h pattern-delimiter
Efficient way to search an element
You can do a linear search with steps that are often greater than 1. The crucial observation is that if e.g. array[i] == 4 and 7 hasn’t yet appeared then the next candidate for 7 is at index i+3. Use a while loop which repeatedly goes directly to the next viable candidate. Here is an … Read more
Fulltext Search with InnoDB
Along with the general phasing out of MyISAM, InnoDB full-text search (FTS) is finally available in MySQL 5.6.4 release. Lots of juicy details at https://dev.mysql.com/doc/refman/5.6/en/innodb-fulltext-index.html. While other engines have lots of different features, this one is InnoDB, so it’s native (which means there’s an upgrade path), and that makes it a worthwhile option.
How to throttle search (based on typing speed) in iOS UISearchBar?
Try this magic: – (void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText{ // to limit network activity, reload half a second after last key press. [NSObject cancelPreviousPerformRequestsWithTarget:self selector:@selector(reload) object:nil]; [self performSelector:@selector(reload) withObject:nil afterDelay:0.5]; } Swift version: func searchBar(searchBar: UISearchBar, textDidChange searchText: String) { // to limit network activity, reload half a second after last key press. NSObject.cancelPreviousPerformRequestsWithTarget(self, selector: “reload”, … Read more
How can I count the occurrences of a string within a file?
The number of string occurrences (not lines) can be obtained using grep with -o option and wc (word count): $ echo “echo 1234 echo” | grep -o echo echo echo $ echo “echo 1234 echo” | grep -o echo | wc -l 2 So the full solution for your problem would look like this: $ … Read more
Update only specific field value in elasticsearch
As a codebased contribution to this answer, the following query may be used: POST /index/type/100100471/_update { “doc” : { “yourProperty” : 10000 } } This query updates yourProperty property only. As a result, this response appears: { “_index”: “index”, “_type”: “type”, “_id”: “100100471”, “_version”: 1, “_shards”: { “total”: 0, “successful”: 1, “failed”: 0 } }
How to find the index of an element in an int array?
Integer[] array = {1,2,3,4,5,6}; Arrays.asList(array).indexOf(4); Note that this solution is threadsafe because it creates a new object of type List. Also you don’t want to invoke this in a loop or something like that since you would be creating a new object every time
How to find a value in an array of objects in JavaScript?
If you have an array such as var people = [ { “name”: “bob”, “dinner”: “pizza” }, { “name”: “john”, “dinner”: “sushi” }, { “name”: “larry”, “dinner”: “hummus” } ]; You can use the filter method of an Array object: people.filter(function (person) { return person.dinner == “sushi” }); // => [{ “name”: “john”, “dinner”: “sushi” … Read more
What is faceted search?
Faceted search is well-explained here and Lucene faceted through an example. EXAMPLE: