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Website screenshots

... more accurate. Sure you can, but you'll need to render the page with something. If you really want to only use php, I suggest you HTMLTOPS, which renders the page and outputs it in a ps file (ghostscript), then, convert it in a .jpg, .png, .pdf.. can be little slower with complex pages (and don'...
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Get data from file input in JQuery

... You can try the FileReader API. Do something like this: <!DOCTYPE html> <html> <head> <script> function handleFileSelect() { if (!window.File || !window.FileReader || !window.FileList |...
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What is the order of precedence for CSS?

...es that appear later in the code override earlier rules if both have the same specificity. A css rule with !important always takes precedence. In your case its rule 3 that applies. Specificity for single selectors from highest to lowest: ids (example: #main selects <div id="main">) class...
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Why is printing “B” dramatically slower than printing “#”?

...of a line and searches for a place to break the line, it sees a # almost immediately and happily breaks there; whereas with the B, it has to keep searching for longer, and may have more text to wrap (which may be expensive on some terminals, e.g., outputting backspaces, then outputting spaces to ove...
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How to export and import environment variables in windows?

I found it is hard to keep my environment variables sync on different machines. I just want to export the settings from one computer and import to other ones. ...
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Grab a segment of an array in Java without creating a new array on heap

I'm looking for a method in Java that will return a segment of an array. An example would be to get the byte array containing the 4th and 5th bytes of a byte array. I don't want to have to create a new byte array in the heap memory just to do that. Right now I have the following code: ...
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Get index of element as child relative to parent

...7+, you should use on. The below example binds the event to the #wizard element, working like a delegate event: $("#wizard").on("click", "li", function() { console.log( $(this).index() ); }); share | ...
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How to increment datetime by custom months in python without using library [duplicate]

I need to increment the month of a datetime value 21 Answers 21 ...
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JavaScript string newline character?

...platforms? If not, how do I determine the character for the current environment? 15 Answers ...
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Pandas - How to flatten a hierarchical index in columns

I have a data frame with a hierarchical index in axis 1 (columns) (from a groupby.agg operation): 17 Answers ...