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submit a form in a new tab

...to test some functions, after I'll avoid this behaviour) to load the page called by submit on a new tab : is it possible? 8...
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What's the algorithm to calculate aspect ratio?

...re that's been changed from 16:9 to 5:4 - I still remember the incredibly tall, thin cowboys I used to watch in my youth on television before letter-boxing was introduced. You may be better off having one different image per aspect ratio and just resize the correct one for the actual screen dimensio...
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How to get datetime in JavaScript?

... Semantically, you're probably looking for the one-liner new Date().toLocaleString() which formats the date in the locale of the user. If you're really looking for a specific way to format dates, I recommend the moment.js library....
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What is the difference between sigaction and signal?

...ion() avoids - unless you use the flags explicitly added to sigaction() to allow it to faithfully simulate the old signal() behaviour. The signal() function does not (necessarily) block other signals from arriving while the current handler is executing; sigaction() can block other signals until the...
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Change column type from string to float in Pandas

...ost) any other type (even if it's not necessarily sensible to do so). Also allows you to convert to categorial types (very useful). infer_objects() - a utility method to convert object columns holding Python objects to a pandas type if possible. convert_dtypes() - convert DataFrame columns to the ...
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Fastest method to replace all instances of a character in a string [duplicate]

What is the fastest way to replace all instances of a string/character in a string in JavaScript? A while , a for -loop, a regular expression? ...
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Is there a function to make a copy of a PHP array to another?

...ewLarsson raises a point in the comments below. PHP has a special feature called "references". They are somewhat similar to pointers in languages like C/C++, but not quite the same. If your array contains references, then while the array itself is passed by copy, the references will still resolve to...
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Deadly CORS when http://localhost is the origin

...lija's comment is correct, adding these headers to localhost will not magically give you access to all other sites. It's the remote site that needs to be served with these headers. – Rob W Mar 22 '14 at 22:59 ...
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How to do Base64 encoding in node.js?

...uld be .toString("binary") (atob stands for ascii(base64) to binary, after all) – 12Me21 Jan 14 at 19:55 @12Me21 I tho...
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How can I cast int to enum?

... (e.g. "2342342" -- assuming that's not a value of your enum), it will actually allow that without throwing an error! Your enum will have that value (2342342) even though it's not a valid choice in the enum itself. – JoeCool Jun 25 '13 at 15:14 ...