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01_Real Application Clusters Overview - 文档下载 - 清泛网 - 专注C/C++及内核技术
01_Real Application Clusters OverviewOracle-Real-Application-Clusters-Overview01_Real Application Clusters OverviewOracle集群介绍。RAC：真正应用集群Oracle集群介绍
RAC：真正应用集群
ASM管理存储，Oracle自己的文件系统
心跳ip有问题，关闭次节点只留主节...
App Inventor 2 获取启动值与Screen传值教程 · App Inventor 2 中文网
...解
Screen1发送数据
when 按钮_跳转.Click() {
global 传递数据 = "你好，这是来自Screen1的数据"
openAnotherScreenWithStartValue("Screen2", 传递数据)
}
Screen2接收数据
when Screen2.Initialize() {
global ...
App Inventor 2 屏幕适配教程 - 多分辨率适配方案 · App Inventor 2 中文网
...度动态调整
if 屏幕宽度 < 400 {
// 小屏幕手机
标签_标题.FontSize = 16
按钮_操作.Width = 屏幕宽度 - 40
} else if 屏幕宽度 < 720 {
// 中等屏幕
标签_标题.FontSize = 20
按钮_操作.Width = 屏幕宽度 * 0.8
} else {
// 大屏幕/...
Displaying better error message than “No JSON object could be decoded”
... also up on PYPI: https://pypi.python.org/pypi/rson/0.9 so you can use easy_install or pip to get it.
for the example given by tom:
>>> rson.loads('[1,2,]')
...
rson.base.tokenizer.RSONDecodeError: Unexpected trailing comma: line 1, column 6, text ']'
RSON is a designed to be a superset...
Setting default value for TypeScript object passed as argument
...
Actually, there appears to now be a simple way. The following code works in TypeScript 1.5:
function sayName({ first, last = 'Smith' }: {first: string; last?: string }): void {
const name = first + ' ' + last;
console.log(na...
Standard deviation of a list
...
The functions are actually called stdev and pstdev, not using std for standard as one would expect. I couldn't edit the post as edits need to modify at least 6 chars...
– mknaf
Jan 6 '17 at 16:00
...
Argparse: Required arguments listed under “optional arguments”?
...
Parameters starting with - or -- are usually considered optional. All other parameters are positional parameters and as such required by design (like positional function arguments). It is possible to require optional arguments, but this is a bit against their desig...
Breakpoint on property change
...al object
var obj = {
someProp: 10
};
// save in another property
obj._someProp = obj.someProp;
// overwrite with accessor
Object.defineProperty(obj, 'someProp', {
get: function () {
return obj._someProp;
},
set: function (value) {
debugger; // sets breakpoint
...
Passport.js - Error: failed to serialize user into session
...d serializing user information but only id's (for bloat/perf reasons personally).
– electblake
Jan 22 '16 at 20:03
2
...
How to find Array length inside the Handlebar templates?
... doing this:
<ul>
{{#each fruit}}
<li>{{this}} {{@index}} {{../fruit.length}}</li>
{{/each}}
</ul>
Would yield:
<ul>
<li>apple 0 3</li>
<li>orange 1 3</li>
<li>banana 2 3</li>
</ul>
...