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What is the difference between HTTP status code 200 (cache) vs status code 304?

...est off setting a far-future Expires: or Cache-Control: max-age header for all assets, and then when an asset needs to be changed, changing the actual filename of the asset or appending a version string to requests for that asset. This eliminates the need for any request to be made unless the asset ...
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get keys of json-object in JavaScript [duplicate]

...t.keys function to get an array of the keys (property names) in an object. All modern browsers have Object.keys (including IE9+). Object.keys(jsonData).forEach(function(key) { var value = jsonData[key]; // ... }); The rest of this answer was written in 2011. In today's world, A) You don...
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Java equivalent to Explode and Implode(PHP) [closed]

... Thanks u guys for all your answers . – Pankaj Wanjari May 28 '13 at 5:55 1 ...
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Facebook API “This app is in development mode”

...ile in development mode and what's the relation with the "Not available to all users because your app is not live". 9 Answe...
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Viewing a Deleted File in Git

... my working copy. I want to look at the contents of that file, but not actually restore it. How can I do this? 3 Answers ...
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Can we add a inside H1 tag?

... Yes, it's typically fine to use a span inside of an h1. span is an inline element, so it's typically okay to use it inside anything (that allows elements inside it!) And there's not really a cleaner way to do it sometimes, say if you want...
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Cross-platform way of getting temp directory in Python

...d() # reads data back from the file f.close() # temporary file is automatically deleted here For completeness, here's how it searches for the temporary directory, according to the documentation: The directory named by the TMPDIR environment variable. The directory named by the TEMP environment v...
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CSS - Overflow: Scroll; - Always show vertical scroll bar?

... 4em and scroll to show the rest */ } #child { height: 12em; /* taller than the parent to force scrolling */ } /* === ignore stuff below, it's just to help with the visual. === */ #container { background-color: #ffc; } #child { margin: 30px; background-color: #eee; ...
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gitignore does not ignore folder

...der. Inside the foo folder I have a bar folder. I would like to ignore all changes to all files inside my bar folder. I have this in my gitignore : ...
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How do I integrate Ajax with Django applications?

...ction, going to 127.0.0.1:8000/home will return the index.html and replace all the variables as asked (you probably know all this by now). Now let's talk about AJAX. AJAX calls are client-side code that does asynchronous requests. That sounds complicated, but it simply means it does a request for y...