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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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Convert int to char in java
...a + '0');
System.out.println(b);
Here, we used '0' because chars are actually represented by ASCII values. '0' is a char and represented by the value of 48.
We typed (a + '0') and in order to add these up, Java converted '0' to its ASCII value which is 48 and a is 1 so the sum is 49. Then what w...
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) {
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Git Pull While Ignoring Local Changes?
...it stash
git pull
git stash pop
I don't think it makes any sense to literally ignore the changes, though - half of pull is merge, and it needs to merge the committed versions of content with the versions it fetched.
share
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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...
git: diff between file in local repo and origin
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If [remote-path] and [local-path] are the same, you can do
$ git fetch origin master
$ git diff origin/master -- [local-path]
Note 1: The second command above will compare against the locally stored remote tracking branch. The fetch command is required to update the remot...
How do you diff a directory for only files of a specific type?
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So it looks like -x only accepts one pattern as you report but if you put all the patterns you want to exclude in a file (presumably one per line) you could use the second flag like so:
$ diff /destination/dir/1 /destination/dir/2 -r -X exclude.pats
where exclude.pats is:
*.jpg
*.JPG
*.xml
*.XM...