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Mail multipart/alternative vs multipart/mixed
...hments, some get the body only in the attachments (empty body) (Outlook on Windows), and some work well (GMail web, Android App, etc.). Please take a look if possible: stackoverflow.com/questions/47312409/…
– shachar0n
Nov 15 '17 at 16:27
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How to generate random SHA1 hash to use as ID in node.js?
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function generateId(len = 40) {
var arr = new Uint8Array(len / 2);
window.crypto.getRandomValues(arr);
return Array.from(arr, byteToHex).join("");
}
console.log(generateId())
// "1e6ef8d5c851a3b5c5ad78f96dd086e4a77da800"
console.log(generateId(20))
// "d2180620d8f781178840"
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HTML5 best practices; section/header/aside/article elements
...on the page, and then using
CSS to centre all the content in the browser window, or apply a
specific background image to the whole content.
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Releasing memory in Python
...he costs are:
Process startup is kind of slow on some platforms, notably Windows. We're talking milliseconds here, not minutes, and if you're spinning up one child to do 300 seconds' worth of work, you won't even notice it. But it's not free.
If the large amount of temporary memory you use really ...
Optimise PostgreSQL for fast testing
...s as fsync=off without the giant data corruption risk. You do have a small window of loss of recent data if you enable async commit - but that's it.
If you have the option of slightly altering the DDL, you can also use UNLOGGED tables in Pg 9.1+ to completely avoid WAL logging and gain a real speed...
Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
... same for my computer Intel Core 2 Duo with mingw gcc4.4,who's running on windows 7(32).It does show a big difference when I compile this segment with a little older pc intel centrino with gcc 4.6,who's running on ubuntu 12.04 i386.
– Hongxu Chen
Sep 27 '12 at...
Floating point vs integer calculations on modern hardware
... while long and long long are both 64-bit types. (Maybe it's designed for Windows where x86-64 still uses 32-bit long? Or maybe it's designed for 32-bit mode.) On Linux, the x32 ABI has 32-bit long in 64-bit mode, so if you have the libraries installed, use gcc -mx32 to compiler for ILP32. Or ju...
Reset/remove CSS styles for element only
...;
visibility: unset;
white-space: unset;
width: unset;
will-change: unset;
window-dragging: unset;
word-break: unset;
word-spacing: unset;
word-wrap: unset;
writing-mode: unset;
z-index: unset;
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Colors in JavaScript console
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The Windows 7 location appears to be `C:\Users\<User Name>\AppData\Local\Google\Chrome\User Data\Default\User StyleSheets`. Also, there's a Solarized Color Scheme Stylesheet for it.
– Weston C
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PHP parse/syntax errors; and how to solve them
...ly.
Excellent IDEs with syntax check (all of them are available for Linux, Windows and Mac):
NetBeans [free]
PHPStorm [$199 USD]
Eclipse with PHP Plugin [free]
Sublime [$80 USD] (mainly a text editor, but expandable with plugins, like PHP Syntax Parser)
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