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Passing parameters in rails redirect_to
How do we pass parameters in redirect_to in rails?
I know we can pass id using this:
9 Answers
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Microbit LED 矩阵 · App Inventor 2 中文网
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Microbit LED 矩阵
Microbit_LED 扩展程序让 App Inventor 用户能够以编程方式更改 BBC micro:bit 的 5x5 LED 矩阵，方法是编写自定义图案或输入文本字符串。显示屏的滚动速度也可以自定义。
更多链接：
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pretty-print JSON using JavaScript
...or sure) and not HTML. Output can be seen inside console. You can edit the _variables inside the function adding some more styling.
function JSONstringify(json) {
if (typeof json != 'string') {
json = JSON.stringify(json, undefined, '\t');
}
var
arr = [],
_stri...
乐高 NXT 对照篇 - 上一代砖头怎么用 · App Inventor 2 中文网
... EV3 实验01 第 1 步一字不差，直接照抄：
when 列表选择器_设备.BeforePicking() {
列表选择器_设备.Elements = 蓝牙客户端1.AddressesAndNames
}
when 列表选择器_设备.AfterPicking() {
if 蓝牙客户端1.Connect(列表选择器_设备.Selection) {
标签_状...
UIButton Long Press Event
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UILongPressGestureRecognizer *longPress = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(longPress:)];
[self.button addGestureRecognizer:longPress];
[longPress release];
And then implement the method that handles the gesture
- (void)longPress:(UILongPressGestureRecog...
Comparing two dataframes and getting the differences
...df2, works only for dataframes with identical rows and columns. In fact, all dataframes axes are compared with _indexed_same method, and exception is raised if differences found, even in columns/indices order.
If I got you right, you want not to find changes, but symmetric difference. For that, o...
“No such file or directory” error when executing a binary
I was installing a binary Linux application on Ubuntu 9.10 x86_64. The app shipped with an old version of gzip (1.2.4), that was compiled for a much older kernel:
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How to change the Push and Pop animations in a navigation based app
...t common, everyday transitions (such as an ordinary slide), you do have to all the work of implementing a full custom transition.
Here's how to do it ...
1. You need a custom UIViewControllerAnimatedTransitioning
You need a bool of your own like popStyle . (Is it popping on, or popping off?)
You m...
How do I space out the child elements of a StackPanel?
...fine the type (e.g. TextBox)? If I try this using FrameworkElement so that all children are spaced, it has no effect.
– Jack Ukleja
Jan 28 '14 at 18:48
5
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界面高级组件 · App Inventor 2 中文网
...查看 →
快速上手：引导好评
when 按钮_好评.Click() {
应用工具1.OpenAppMarket("")
}
包名留空表示本应用。应用要先在应用市场上架，详情页才打得开。
打开微信，没装就提示
when 按钮_微信.Cli...