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Accessing the web page's HTTP Headers in JavaScript

... exactly equal to the current. Use the following JavaScript code to get all the HTTP headers by performing a get request: var req = new XMLHttpRequest(); req.open('GET', document.location, false); req.send(null); var headers = req.getAllResponseHeaders().toLowerCase(); alert(headers); ...
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Emacs bulk indent for Python

...enter 8 spaces. PS. With Ubuntu, to make python-mode the default mode for all .py files, simply install the python-mode package. share | improve this answer | follow ...
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How to read from a file or STDIN in Bash?

... The following solution reads from a file if the script is called with a file name as the first parameter $1 otherwise from standard input. while read line do echo "$line" done < "${1:-/dev/stdin}" The substitution ${1:-...} takes $1 if defined otherwise the file name of t...
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invalid byte sequence for encoding “UTF8”

... the iconv utility to change encoding of the input data. iconv -f original_charset -t utf-8 originalfile > newfile You can change psql (the client) encoding following the instructions on Character Set Support. On that page, search for the phrase "To enable automatic character set conversion". ...
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Table Naming Dilemma: Singular vs. Plural Names [closed]

...t wanted to add this... Is it possible that "User" (or "Users") is not actually a full description of the data held in the table? Not that you should get too crazy with table names and specificity, but perhaps something like "Widget_Users" (where "Widget" is the name of your application or website) ...
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How to use glob() to find files recursively?

...enerator alows you to process each file as it is found, instead of finding all the files and then processing them. share | improve this answer | follow | ...
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How to change package name of an Android Application

...ould try these instructions from Android's developer site. They're specifically for the GestureBuilder sample but should apply to any application as far as I can tell: [H]ere's how you could do this in Eclipse: Right-click on the package name (src/com.android.gesture.builder). Select R...
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Resize UIImage by keeping Aspect ratio and width

... +(UIImage*)imageWithImage: (UIImage*) sourceImage scaledToWidth: (float) i_width { float oldWidth = sourceImage.size.width; float scaleFactor = i_width / oldWidth; float newHeight = sourceImage.size.height * scaleFactor; float newWidth = oldWidth * scaleFactor; UIGraphicsBegin...
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How to check whether a string is a valid HTTP URL?

...You may want to add more conditions to the uriResult.Scheme == ... Specifically https. It depends on what you need this for, but this small change was all I needed for it to work perfectly for me. – Fiarr Jan 22 '14 at 19:04 ...
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How can I list ALL DNS records?

Is there any way I can list ALL DNS records for a domain? 8 Answers 8 ...