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$.focus() not working
... focus from the dev console. If you run the following code in your console and then quickly click in your browser window after, you will see it focus the search box:
setTimeout(function() { $('input[name="q"]').focus() }, 3000);
As for your other one, the one thing that has given me trouble in th...
Better way to check variable for null or empty string?
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// Function for basic field validation (present and neither empty nor only white space
function IsNullOrEmptyString($str){
return (!isset($str) || trim($str) === '');
}
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Rails: around_* callbacks
...api.rubyonrails.org/classes/ActiveRecord/Callbacks.html , but don't understand when the around_* callbacks are triggered in relation to before_* and after_* .
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Lost my schema.rb! Can it be regenerated?
...issues I stopped tracking schema.rb in git. Somehow I have stuffed this up and somewhere along the way my schema.rb file has disappeared.
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With GitHub how do I push all branches when adding an existing repo?
...t push --tags
would really push everything. See also "Set up git to pull and push all branches".
Don't forget the --dry-run option to make some test before actually pushing everything.
See also GitHub help "Working with remotes" to set your origin to your GitHub remote repo.
As mentioned in "Ho...
git - diff of current changes before committing
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git diff by default shows difference between your working directory and the index (staging area for the next commit).
If you have already added (staged) the changes to the staging area, git diff --staged does the job. Staging area is the data from which the next commit will be formed by git...
How to restart Activity in Android
How do I restart an Android Activity ? I tried the following, but the Activity simply quits.
21 Answers
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How to include a quote in a raw Python string
...oted strings in your string (an extremely unlikely case), you can't do it, and you'll have to use non-raw strings with escapes.
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Why are mutable structs “evil”?
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So if you change a copy you are changing only that copy, not the original and not any other copies which might be around.
If your struct is immutable then all automatic copies resulting from being passed by value will be the same.
If you want to change it you have to consciously do it by creating...
Testing Private method using mockito
How to test private method is called or not, and how to test private method using mockito???
12 Answers
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