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How can I implement prepend and append with regular JavaScript?

... Perhaps you're asking about the DOM methods appendChild and insertBefore. parentNode.insertBefore(newChild, refChild) Inserts the node newChild as a child of parentNode before the existing child node refChild. (Returns newChild.) ...
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What are Java command line options to set to allow JVM to be remotely debugged?

I know there's some JAVA_OPTS to set to remotely debug a Java program. 8 Answers 8 ...
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How do I bind to list of checkbox values with AngularJS?

I have a few checkboxes: 29 Answers 29 ...
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Is there “0b” or something similar to represent a binary number in Javascript

I know that 0x is a prefix for hexadecimal numbers in Javascript. For example, 0xFF stands for the number 255. 10 Answe...
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Trying to SSH into an Amazon Ec2 instance - permission error

...s having wrong mod on the file. Easily solved by executing - chmod 400 mykey.pem Taken from Amazon's instructions - Your key file must not be publicly viewable for SSH to work. Use this command if needed: chmod 400 mykey.pem 400 protects it by making it read only and only for the owner. ...
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Best way to clear a PHP array's values

... Like Zack said in the comments below you are able to simply re-instantiate it using $foo = array(); // $foo is still here If you want something more powerful use unset since it also will clear $foo from the symbol table, if...
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In Matlab, when is it optimal to use bsxfun?

... There are three reasons I use bsxfun (documentation, blog link) bsxfun is faster than repmat (see below) bsxfun requires less typing Using bsxfun, like using accumarray, makes me feel good about my understanding of Matlab. bsxfun will replicate the input arrays along their "singlet...
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How does Facebook Sharer select Images and other metadata when sharing my URL?

When using Facebook Sharer, Facebook will offer the user the option of using 1 of a few images pulled from the source as a preview for their link. How are these images selected, and how can I ensure that any particular image on my page is always included in this list? ...
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Case insensitive 'in'

...sername.upper() in map(str.upper, USERNAMES): ... Or, yes, you can make a custom method. share | improve this answer | follow | ...
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Check if all values of array are equal

... Mamun 52.8k99 gold badges2828 silver badges4242 bronze badges answered Feb 23 '16 at 4:34 golopotgolopot ...