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How can I add numbers in a Bash script?

...ectly, no need to ls echo "$j" # 'grep' can read files, no need to use 'cat' metab=$(grep EndBuffer "$j" | awk '{sum+=$2} END { print sum/120}') num=$(( $num + $metab )) done echo "$num" done As described in Bash FAQ 022, Bash does not nati...
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What does -XX:MaxPermSize do?

...eneration. Permanent Generation: The Permanent Generation is where class files are kept. These are the result of compiled classes and JSP pages. If this space is full, it triggers a Full Garbage Collection. If the Full Garbage Collection cannot clean out old unreferenced classes and there is no ro...
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EditText maxLines not working - user can still input more lines than set

...ke just 1 line of text, this can be very easy. You can set this in the xml file. android:singleLine="true" or programmatically editText.setSingleLine(true); share | improve this answer ...
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how to override left:0 using CSS or Jquery?

... { left: auto; } Make sure that the above comes after the original CSS file. share | improve this answer | follow | ...
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JavaScript: Get image dimensions

... if you have image file from your input form. you can use like this let images = new Image(); images.onload = () => { console.log("Image Size", images.width, images.height) } images.onerror = () => result(true); let fileReader = new Fi...
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How to normalize a NumPy array to within a certain range?

...t needs to be normalized within a range before it can be written back to a file. This can be done like so: 7 Answers ...
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How to open in default browser in C#

... Local url (file:///) doesn't work with a querystring unless browser exe is specified as first param. – HerrimanCoder Sep 20 '16 at 21:14 ...
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how to check if a form is valid programmatically using jQuery Validation Plugin

...ou are receiving a TypeError valid() not a function add the plugin to your file since its a plugin not included in jquery library eg. <script src="https://cdn.jsdelivr.net/jquery.validation/1.16.0/jquery.validate.min.js"></script> – StackEdd Jan 15 ...
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How do I show a MySQL warning that just happened?

... Is there a way to set this flag from the .my.cnf file? – StR Jan 24 at 12:34 add a comment  |  ...
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Format output string, right alignment

I am processing a text file containing coordinates x, y, z 7 Answers 7 ...