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What characters are valid for JavaScript variable names?
Which characters can be used for naming a JavaScript variable?
12 Answers
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How to prevent Browser cache for php site
I have a php site running in cloud server.When ever i add new files css, js or images the browser is loading the same old js, css and image files stored in cache.
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What are the big improvements between guava and apache equivalent libraries?
We currently use apache collections, string utils, etc. I need to decide if we should switch from the apache foundations implementation.
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How to check whether a pandas DataFrame is empty?
How to check whether a pandas DataFrame is empty? In my case I want to print some message in terminal if the DataFrame is empty.
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What is a Portable Class Library?
On MSDN I noticed a section about a Portable Class Library , under Version Information.
4 Answers
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“Notice: Undefined variable”, “Notice: Undefined index”, and “Notice: Undefined offset” using PHP
I'm running a PHP script and continue to receive errors like:
28 Answers
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How to create a unique index on a NULL column?
I am using SQL Server 2005. I want to constrain the values in a column to be unique, while allowing NULLS.
4 Answers
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JavaScript: Class.method vs. Class.prototype.method
What is the difference between the following two declarations?
5 Answers
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How do browsers pause/change Javascript when tab or window is not active?
Background: I'm doing some user interface tests that need to detect if people are paying attention or not. But, this question is not about the page visibility API .
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Why can't the C# constructor infer type?
Why is type inference not supported for constructors the way it is for generic methods?
5 Answers
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