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What does Java option -Xmx stand for? [duplicate]

...it says, -Xmxn Specify the maximum size, in bytes, of the memory allocation pool. This value must a multiple of 1024 greater than 2MB. Append the letter k or K to indicate kilobytes, or m or M to indicate megabytes. The default value is 64MB. The upper limit for this value will be approxim...
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How can I convert string date to NSDate?

... */ let date = dateFormatter.dateFromString(/* your_date_string */) For further query, check NSDateFormatter and DateFormatter classes of Foundation framework for Objective-C and Swift, respectively. Swift 3 and later (Swift 4 included) let dateFormatter = DateFormatter()...
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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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Adding an onclick function to go to url in JavaScript?

... @FayazMd not sure what you're trying to do? Usually if it's JavaScript inside the DOM (currenty inside DOM's element a) as a web page you can not control JS behaviour on the next page (where you're redirecting the browser page). When user leaves the page it's done. Unle...
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Android: how to check if a View inside of ScrollView is visible?

...it is always returning false. Please let me know – KK_07k11A0585 Jun 15 '15 at 14:57 2 ...
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What are the benefits of functional programming? [closed]

...bel refers to a version of this array where this function has been done on all the elements." Functional programming moves more basic programming ideas into the compiler, ideas such as list comprehensions and caching. The biggest benefit of Functional programming is brevity, because code can be mo...
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Setting Authorization Header of HttpClient

...ent = new HttpClient()) { client.DefaultRequestHeaders.Authorization = _username.ToAuthHeaderValue(_password); } Again I think 2 above options make the client using statement a bit less repetitive. Keep in mind that it's best practice to reuse the HttpClient if you are making multiple http ca...
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What is the largest Safe UDP Packet Size on the Internet

...rmation that you may not have anticipated. A 512-byte UDP payload is generally considered to do that, although even that does not leave quite enough space for a maximum size IP header. share | impr...
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How to solve “Fatal error: Class 'MySQLi' not found”?

...amazon linux, it would be something like sudo yum install php56-mysqlnd.x86_64 (pick the one matching to which version of php you have installed) – auspicious99 Dec 3 '18 at 10:46 ...
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How do you comment out code in PowerShell?

... PowerShell V2 <# #> can be used for block comments and more specifically for help comments. #REQUIRES -Version 2.0 <# .SYNOPSIS A brief description of the function or script. This keyword can be used only once in each topic. .DESCRIPTION A detailed description of the function...