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Passing parameters to addTarget:action:forControlEvents
...ust check (objectClass *)[button.layer valueForKey:@"anyKey"]; It's like a more free version of .tag
– Albert Renshaw
Oct 14 '16 at 20:40
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How do I know the script file name in a Bash script?
...as a command line switch. I suggest instead me=$(basename -- "$0") or much more efficiently at the expense of readability, me=${0##*/}. For symlinks, me=$(basename -- "$(readlink -f -- "$0")") assuming gnu utils, otherwise it will be a very long script which I will not write here.
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What is private bytes, virtual bytes, working set?
...by every process on a system under heavy load will add up to significantly more memory than the machine actually has.
So the relationships are:
Private Bytes are what your app has actually allocated, but include pagefile usage;
Working Set is the non-paged Private Bytes plus memory-mapped files;
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Comparison of full text search engine - Lucene, Sphinx, Postgresql, MySQL?
... memory the indexer process uses too.
Scalability is where my knowledge is more sketchy - but it's easy enough to copy index files to multiple machines and run several searchd daemons. The general impression I get from others though is that it's pretty damn good under high load, so scaling it out ac...
Cache an HTTP 'Get' service response in AngularJS?
...to enable or disable caching of the HTTP response. See
$http Caching for more
information.
Boolean value
So you can set cache to true in its options:
$http.get(url, { cache: true}).success(...);
or, if you prefer the config type of call:
$http({ cache: true, url: url, method: 'GET'}).succ...
Python ValueError: too many values to unpack [duplicate]
...terating over just the keys (which are strings).
Since self.materials has more than two keys*, they can't be unpacked into the tuple "k, m", hence the ValueError exception is raised.
In Python 2.x, to iterate over the keys and the values (the tuple "k, m"), we use self.materials.iteritems().
Howe...
What's the difference between SCSS and Sass?
From what I've been reading, Sass is a language that makes CSS more powerful with variable and math support.
13 Answers
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How to detect user inactivity in Android
...as only one activity : calling onBackPressed() vas sufficient. If you have more than one activity in your stack, you just have to create an intent for that matter. You may want to look at the following answer in order to clear the Activity task (and prevent users from re-connecting on a back): stack...
Why use ICollection and not IEnumerable or List on many-many/one-many relationships?
...full list: http://msdn.microsoft.com/en-us/library/6sh2ey19.aspx).
From a more specific standpoint, lazy loading comes in to play with choosing the type. By default, navigation properties in Entity Framework come with change tracking and are proxies. In order for the dynamic proxy to be created as ...
How to check if a variable is null or empty string or all whitespace in JavaScript?
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A non-jQuery solution that more closely mimics IsNullOrWhiteSpace, but to detect null, empty or all-spaces only:
function isEmptyOrSpaces(str){
return str === null || str.match(/^ *$/) !== null;
}
...then:
var addr = ' ';
if(isEmptyOrSpaces(a...