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How to solve error “Missing `secret_key_base` for 'production' environment” (Rails 4.1)
...and Enter for save and exit in vi.
But if you login as normal user, let's call it "example_user" for this gist, you will need to find one of these other files:
$ vi ~/.bash_profile
$ vi ~/.bash_login
$ vi ~/.profile
These files are in order of importance, which means that if you have the first fi...
What is a “feature flag”?
...g the feature disabled/toggled until it's completed. We often use what we call a 'dev cookie' to show uncompleted features to just the dev team. This way we can test partially completed work in production (oh yeh! is there better integration?) over multiple releases/deployments before we 'untoggle' ...
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C++STL容器使用经验总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...只有两点不对。首先，它不是一个STL容器；其次，它并不存储bool。除此以外，一切正常。因此最好不要使用它，你可以用deque<bool>和bitset替代。vector<bool>来自一个雄心勃勃的试验，代理对象在C＋＋软件开发中经常会很有用。C＋...
How to use web-fonts legally? [closed]
...int products, on graphics on your web site, etc., but you are almost never allowed to re-distribute a digital version of the font, not even to display it on your web site using Tools like sIFR. If you want to make sure, and big things are at stake, make sure and contact the font vendor first.
There...
Get a list of resources from classpath directory
I am looking for a way to get a list of all resource names from a given classpath directory, something like a method List<String> getResourceNames (String directoryName) .
...
Get connection string from App.config
And this is my App.config:
19 Answers
19
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async at console app in C#? [duplicate]
...oid event handler or returning a Task to your framework.
However, Console apps do not support this.
You can either just do a Wait on the returned task:
static void Main()
{
MainAsync().Wait();
// or, if you want to avoid exceptions being wrapped into AggregateException:
// MainAsync().GetA...
App Inventor 2在不同的屏幕之间传递变量 - App Inventor 2 中文网 - 清泛I...
要实现这个需求，需要用到“打开屏幕并传递初始值”控制块，如下：
屏幕1代码如下：
屏幕2的代码如下：
如果有两个变量，该如何操作？6921孙 发表于 2023-01-28 20:23
如果有两个变量，该如何操作？
两...
App Inventor 2如何计算1加到100的总和？（经典循环的写法） - App Invento...
用到的代码块是“指定范围循环”：
这个代码块的作用是指定一个数学范围，在这个范围内进行循环。
逻辑就是从1循环到100，每次循环值累加到变量“总和”中，代码如下：
我们看下执行结果：
再思考一下，使用...