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How do I strip non alphanumeric characters from a string and keep spaces?
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In this case I would use the bang method (gsub! instead of gsub) in order to clean the input permanently.
#permanently filter all non-alphanumeric characters, except _
@search_query.gsub!(/\W/,'')
This avoids a situation where @seach_query is used elsewhere in the code without cleaning it...
How do I use Ruby for shell scripting?
...l
From the site:
rush is a replacement for the unix shell (bash, zsh, etc) which uses pure Ruby syntax. Grep through files, find and kill processes, copy files - everything you do in the shell, now in Ruby
share
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How to pick an image from gallery (SD Card) for my app?
... @WilliamKinaan ACTIVITY_SELECT_IMAGE is any int value that you specify in order to identify which result your expecting to receive. It is then sent back in onActivityResult(int requestCode, int resultCode, Intent data) as the 'requestCode'.
– Fydo
May 28 '13 a...
Does Android keep the .apk files? if so where?
...savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
File appsDir = new File("/data/app");
String[] files = appsDir.list();
for (int i = 0 ; i < files.length ; i++ ) {
Log.d(TAG, "File: "+files[i]);
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Good reasons to prohibit inheritance in Java?
...opinion is that this approach is usually too heavy and inflexible. (YAGNI, etc.)
– Tom Hawtin - tackline
Oct 20 '08 at 15:44
9
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How to highlight a current menu item?
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on view
<a ng-class="getClass('/tasks')" href="/tasks">Tasks</a>
on controller
$scope.getClass = function (path) {
return ($location.path().substr(0, path.length) === path) ? 'active' : '';
}
With this the tasks link will have the ...
How to force NSLocalizedString to use a specific language
...e. (on the desktop, the user can specify multiple languages with a custom ordering in System Preferences)
You can override the global setting for your own application if you wish by using the setObject:forKey: method to set your own language list. This will take precedence over the globally set v...
Why is “origin/HEAD” shown when running “git branch -r”?
...Hub
where no one will ssh in and work on
that code, but only pull or push, etc)
didn't and shouldn't have a HEAD
because there was, basically, no
working copy. Not so?
I had the exact same impression like you said.
And I even can not delete that origin/HEAD remote-tracking branch cloned from github...
java.net.MalformedURLException: no protocol
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get string value from UISegmentedControl
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