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Download a file by jQuery.Ajax
...
You can with HTML5
NB: The file data returned MUST be base64 encoded because you cannot JSON encode binary data
In my AJAX response I have a data structure that looks like this:
{
result: 'OK',
download: {
mimetype: string(mim...
App Inventor 2 试验组件 · App Inventor 2 中文网
... ImageBot
ChatBot（OpenAI ChatGPT聊天机器人）
ChatBot 是一个不可见组件，用于与 AI 聊天的聊天机器人。此版本使用 MIT 运行的代理，该代理又使用 ChatGPT 生成大语言模型。
注：此组件对AI伴侣要求最低版本为v2.67 (旧版本请扫码升...
BLE协议—广播和扫描 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...础，用户可以直接用扫描和广播进行数据的传输（数据量不大，功耗要求较高的情况下），也可以在广播和扫描的基础上进行连接后点对点通信。广播访问地址广播包：广播包Access Address 固定为0x8E89BED6，广播包只能在广播信道...
Is it possible to read from a InputStream with a timeout?
...the data are available from the shell, the method returns a value > 0. NB: Cygwin uses cmd.exe too.
Simplest solution (no blocking, so no timeout required)
Just use this:
byte[] inputData = new byte[1024];
int result = is.read(inputData, 0, is.available());
// result will indica...
StatusbarTools 扩展 - 状态栏自定义工具 · App Inventor 2 中文网
...透明背景
设置状态栏背景是否透明。true为透明，false为不透明。
图标颜色
设置状态栏图标的颜色。可选值为 “Light”（浅色）或 “Dark”（深色）。
状态栏可见
控制状态栏是否显示。true为显示，false为隐藏。
颜色
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Naming of ID columns in database tables
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ID is a SQL Antipattern.
See http://www.amazon.com/s/ref=nb_sb_ss_i_1_5?url=search-alias%3Dstripbooks&field-keywords=sql+antipatterns&sprefix=sql+a
If you have many tables with ID as the id you are making reporting that much more difficult. It obscures meaning and makes co...
菜单的背景颜色 - C/C++ - 清泛网 - 专注C/C++及内核技术
...的。
好了，以上面的工程为例,引入三张位图，ID号默认不变，然后再引入一张位图（菜单背景位图，ID:IDB_MENUBACK),接着在对话框类的OnInitDialog函数里添加如下语句：
CMenu *pMenu=GetMenu();//获取对话框关联菜单
CMenu *pSubMenu=pMenu->Ge...
How to ignore user's time zone and force Date() use specific time zone
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nb. Helsinki only has one 'l'. This mistake really detracts from this answer.
– Ben McIntyre
Mar 20 '17 at 14:31
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Get event listeners attached to node using addEventListener
...tion(element){
if(_elements_.indexOf(element)==-1){
// NB : split by useCapture to make listener easier to find when removing
var elt_listeners=[{/*useCapture=false*/},{/*useCapture=true*/}];
_elements_.push(element);
_listeners_.push(elt_liste...
Should you commit .gitignore into the Git repos?
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Nb. with modern Git the default value for core.excludesfile is ~/.config/git/ignore, conforming to XDG Base Directory Specification
– Jakub Narębski
Aug 26 '14 at 18:12
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