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MySQL maximum memory usage

...is no general rule of thumb for what is recommend for your MySQL setup. It all depends on the current usage or the projections. Settings & database MySQL offers countless variables and switches to optimize its behavior. If you run into issues, you really need to sit down and read the (f'ing) m...
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Add custom headers to WebView resource requests - android

...er for extraHeaders , but those are only applied to the initial request. All subsequent requests do not contain the headers. I have looked at all overrides in WebViewClient , but nothing allows for adding headers to resource requests - onLoadResource(WebView view, String url) . Any help would...
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Best design for a changelog / auditing database table? [closed]

...ect type (or table name) object ID That's when design of our audit log really stabilized (for a few years now). Of course, the last "improvement" would work only for tables that had surrogate keys. But guess what? All our tables that are worth auditing do have such a key! ...
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How does this CSS produce a circle?

... Let's reformulate that into two questions: Where do width and height actually apply? Let's have a look at the areas of a typical box (source): The height and width apply only on content, if the correct box model is being used (no quirks mode, no old Internet Explorer). Where does border-radi...
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How to open an elevated cmd using command line for Windows?

... batch file with this and saved it as admincmd.bat in my windows folder so all I have to do is type "admincmd" hit enter and it opens an admin cmd.(I also added another line to the batch file with "exit" so it closes the non admin cmd window) – Tony Brix Nov 16...
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Git 'fatal: Unable to write new index file'

... I've been having this same problem for the last few days. Basically, without my knowledge the entire repo had been moved to a new filesystem, when I tried to run git status, it was suddenly reporting that every file in the repo had been udpated. Possible solutions So, after much google...
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How to diff a commit with its parent?

...rmed by a commit and its parent commits exist. The r1^@ notation means all parents of r1. r1^! includes commit r1 but excludes all of its parents. This means that you can use 15dc8^! as a shorthand for 15dc8^..15dc8 anywhere in git where revisions are needed. For diff command the git di...
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What are the differences between virtual memory and physical memory?

...e (in case of other implementations of virtual memory, we maybe shouldn't call it the "page table"). The page table is in physical memory as well - often in kernel-reserved spaces that user programs cannot write over. Virtual memory is typically larger than physical memory - there wouldn't be much ...
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Subtract days from a date in JavaScript

...t saving time is only 23 hours long, and the last is 25 hours long. it usually doesn't matter, but it's something to consider. – Kip Aug 18 '09 at 20:55 12 ...
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Why does make think the target is up to date?

... not-file-related targets, you should make them phony as follows: .PHONY: all test clean Note that you can declare all of your phony targets there. share | improve this answer | ...