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In JavaScript, does it make a difference if I call a function with parentheses?

I noticed a difference when calling a function with empty parentheses, or without any parentheses at all. However, I am not passing any arguments to the function so I wondered, what would be the difference between: ...
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Is there a CSS selector for the first direct child only?

... What you posted literally means "Find any divs that are inside of section divs and are the first child of their parent." The sub contains one tag that matches that description. It is unclear to me whether you want both children of the main div o...
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Saving grid.arrange() plot to file

... ggsave is not working with (some or all) grobs anymore. – vak Oct 29 '15 at 14:50 add a comment  |  ...
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Fit cell width to content

Given the following markup, how could I use CSS to force one cell (all cells in column) to fit to the width of the content within it rather than stretch (which is the default behaviour)? ...
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Import CSV to mysql table

...ocalhost'; $user = 'root'; $pass = ''; $database = 'database'; $db = mysql_connect($host, $user, $pass); mysql_query("use $database", $db); /********************************************************************************/ // Parameters: filename.csv table_name $argv = $_SERVER[argv]; if($argv[1...
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Ignore modified (but not committed) files in git?

... Can you list all your ignored files somehow ? – Zitrax Apr 7 '10 at 10:10 21 ...
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Can I run javascript before the whole page is loaded?

... script execution is complete (because the script might do document.write calls to output markup that the parser should handle). That's the default behavior, but you have a few options for delaying script execution: Use JavaScript modules. A type="module" script is deferred until the HTML has bee...
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What is __init__.py for?

...kages as they existed in Python 3.2 and earlier. A regular package is typically implemented as a directory containing an __init__.py file. When a regular package is imported, this __init__.py file is implicitly executed, and the objects it defines are bound to names in the package’s namespace. The...
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How to create the most compact mapping n → isprime(n) up to a limit N?

Naturally, for bool isprime(number) there would be a data structure I could query. I define the best algorithm , to be the algorithm that produces a data structure with lowest memory consumption for the range (1, N], where N is a constant. Just an example of what I am looking for: I could rep...
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How do I get AWS_ACCESS_KEY_ID for Amazon?

I'm totally new to AWS. 5 Answers 5 ...