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How to 'bulk update' with Django?
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260
Update:
Django 2.2 version now has a bulk_update.
Old answer:
Refer to the following django d...
Understanding what 'type' keyword does in Scala
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answered Oct 21 '13 at 11:05
Roland EwaldRoland Ewald
4,40033 gold badges3131 silver badges4444 bronze badges
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Lua简明教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...你把他的源码下下来编译后，你会发现解释器居然不到200k，这是多么地变态啊（/bin/sh都要1M，MacOS平台），而且能和C语言非常好的互动。我很好奇得浏览了一下Lua解释器的源码，这可能是我看过最干净的C的源码了。
我不想写...
How do API Keys and Secret Keys work? Would it be secure if I have to pass my API and secret keys to
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90
Basically elaborating on what's outlined here.
Here's how it works: let's say we have a functio...
Difference between string and char[] types in C++
...text's length, the array has to be scanned, character by character, for a \0 character.
A string is a class that contains a char array, but automatically manages it for you. Most string implementations have a built-in array of 16 characters (so short strings don't fragment the heap) and use the he...
How Do I Fetch All Old Items on an RSS Feed?
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answered Feb 23 '09 at 5:22
David DeanDavid Dean
6,77544 gold badges3030 silver badges4040 bronze badges
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Microsoft Roslyn vs. CodeDom
... (somewhat) langage agnostic way to generate code that was added in .NET 1.0 to support designers (a la WinForms). Because CodeDom was an attempt at providing a unified model that can generate code in C#, VB, and other languages, it lacks high fidelity with any of the languages that it supports (tha...
position: fixed doesn't work on iPad and iPhone
...g post that explains the problem: http://www.quirksmode.org/blog/archives/2010/12/the_fifth_posit.html
Also see this page for a compatibility chart showing which mobile browsers support position:fixed;: http://www.quirksmode.org/m/css.html
(but note that the mobile browser world is moving very qui...
Typescript: difference between String and string
...ables, parameters and return values.
Additional notes...
Currently (Feb 2013) Both s1 and s2 are valid JavaScript. s3 is valid TypeScript.
Use of String. You probably never need to use it, string literals are universally accepted as being the correct way to initialise a string. In JavaScript, it ...
What is the difference between min SDK version/target SDK version vs. compile SDK version?
...nner project.
– Matt
Jul 28 '15 at 20:25
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