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What is data oriented design?
...imagine the same thing applies to databases (disk reads) and even the Web (HTTP requests). It's a useful way of doing systems programming, I think.
Note that it doesn't absolve you from thinking about algorithms and time complexity, it just focuses your attention at figuring out the most expensive ...
Detect if an input has text in it using CSS — on a page I am visiting and do not control?
... _Dynamically style inputs based on whether they are blank.
// @include http://YOUR_SERVER.COM/YOUR_PATH/*
// @grant GM_addStyle
// ==/UserScript==
/*- The @grant directive is needed to work around a design change
introduced in GM 1.0. It restores the sandbox.
*/
var inpsToMonitor = doc...
TINYTEXT, TEXT, MEDIUMTEXT, and LONGTEXT maximum storage sizes
... VARCHAR, the max rowsize should not exceeed 65535 bytes.
As outlined here http://dev.mysql.com/doc/refman/5.0/en/charset-unicode-utf8.html, max 3 bytes for utf-8.
THIS IS A ROUGH ESTIMATION TABLE FOR QUICK DECISIONS!
So the worst case assumptions (3 bytes per utf-8 char) to best case (1 byte pe...
What is the meaning of “non temporal” memory accesses in x86
...dify it; instead, the new content is directly written to memory.
Source: http://lwn.net/Articles/255364/
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Redis strings vs Redis hashes to represent JSON: efficiency?
...
This article can provide a lot of insight here: http://redis.io/topics/memory-optimization
There are many ways to store an array of Objects in Redis (spoiler: I like option 1 for most use cases):
Store the entire object as JSON-encoded string in a single key and keep tr...
Timeout for python requests.get entire response
...tlet
eventlet.monkey_patch()
with eventlet.Timeout(10):
requests.get("http://ipv4.download.thinkbroadband.com/1GB.zip", verify=False)
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Can someone explain Microsoft Unity?
... demonstration of the Unity container that is aimed at beginners.
Part 1: http://www.youtube.com/watch?v=CWwe9Z0Gyew
Part 2: http://www.youtube.com/watch?v=PsIbevgzQQE
In less than half an hour and you will understand the basics!
...
ApartmentState for dummies
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Windows batch files: .bat vs .cmd?
...tion about command.com vs. cmd.exe on WinNT-class systems from MS TechNet (http://technet.microsoft.com/en-us/library/cc723564.aspx):
This behavior reveals a quite subtle
feature of Windows NT that is very
important. The 16-bit MS-DOS shell
(COMMAND.COM) that ships with Windows
NT is spe...
no acceptable C compiler found in $PATH when installing python
...root, since its shared hosting. Here is a tut that points how this step. http://luiarthur.github.io/gccinstall
cd ~/src
wget http://www.netgull.com/gcc/releases/gcc-5.2.0/gcc-5.2.0.tar.gz
or equivalent gcc source, then
tar -xvf gcc-5.2.0.tar.gz
cd gcc-5.2.0
./contrib/download_prerequisites
cd ...