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What is database pooling?
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Database connection pooling is a method used to keep database connections open so they can be ...
Why are Where and Select outperforming just Select?
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edited Aug 21 '13 at 5:58
answered Aug 20 '13 at 13:12
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In Python how should I test if a variable is None, True or False
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120
Don't fear the Exception! Having your program just log and continue is as easy as:
try:
r...
How to use XPath contains() here?
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202
You are only looking at the first li child in the query you have instead of looking for any li...
Instance variable: self vs @
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264
Writing @age directly accesses the instance variable @age. Writing self.age tells the object t...
Rails hidden field undefined method 'merge' error
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Difference between 'self' and 'total' in Chrome CPU Profile of JS
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2 Answers
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Active
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How To fix white screen on app Start up?
I have an android app which displays a white screen for 2 seconds on startup. My other apps don't do this, but this one does. I have also implemented a splashscreen with the hope that it would fix this. Should I increase my splash screen sleep time?
Thanks.
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how to permit an array with strong parameters
..._ids are passed to the create action in an array
"category_ids"=>["", "2"],
Therefore, when declaring strong parameters, I explicitly set category_ids to be an array
params.require(:question).permit(:question_details, :question_content, :user_id, :accepted_answer_id, :province_id, :city, :cat...
Iterate through options
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352
$("#selectId > option").each(function() {
alert(this.text + ' ' + this.value);
});
htt...