Is there a standard for what actions F5 and Ctrl+F5 trigger in web browsers? I once did experiment in IE6 and Firefox 2.x. The F5 refresh would trigger a HTTP request sent to the server with an If-Modified-Since header, while Ctrl+F5 would not have such a header. In my understanding, F5 will try to utilize … Read more
This question already has answers here: How do we control web page caching, across all browsers? (29 answers) Closed 5 years ago. I read that when you don’t have access to the web server’s headers you can turn off the cache using: <meta http-equiv=”Cache-Control” content=”no-store” /> But I also read that this doesn’t work in … Read more
I’m trying to use Android Studio, and the first time I boot it up, it takes like 45 MINUTES to compile… If I don’t quit the application, it is okay – each subsequent compilation/running the app will take around 45 seconds. I’ve tried to check some of my caches: there’s a .gradle/caches folder in my … Read more
We are currently working in a private beta and so are still in the process of making fairly rapid changes, although obviously as usage is starting to ramp up, we will be slowing down this process. That being said, one issue we are running into is that after we push out an update with new … Read more
This question already has answers here: How do I read an entire file into a std::string in C++? (22 answers) Closed 5 years ago. I need to read a whole file into memory and place it in a C++ std::string. If I were to read it into a char[], the answer would be very simple: … Read more
The header Cache-Control: max-age=0 implies that the content is considered stale (and must be re-fetched) immediately, which is in effect the same thing as Cache-Control: no-cache. 8 s 8 I had this same question, and found some info in my searches (your question came up as one of the results). Here’s what I determined… There … Read more
What is the difference between “cache unfriendly code” and the “cache friendly” code? How can I make sure I write cache-efficient code? 9 s 9 Preliminaries On modern computers, only the lowest level memory structures (the registers) can move data around in single clock cycles. However, registers are very expensive and most computer cores have … Read more
From what I understand, a cache is an encrypted file of similar files. What do we do with the __pycache__ folder? Is it what we give to people instead of our source code? Is it just my input data? This folder keeps getting created, what it is for? 10 s 10 When you run a … Read more
Since the upgrade to iOS 6, we are seeing Safari’s web view take the liberty of caching $.ajax calls. This is in the context of a PhoneGap application so it is using the Safari WebView. Our $.ajax calls are POST methods and we have cache set to false {cache:false}, but still this is happening. We … Read more
I have noticed that some browsers (in particular, Firefox and Opera) are very zealous in using cached copies of .css and .js files, even between browser sessions. This leads to a problem when you update one of these files, but the user’s browser keeps on using the cached copy. What is the most elegant way … Read more
