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Spring get current ApplicationContext
...But I avoid creating new ApplicationContextProvider() everytime I need to call the getBean() from the context. What I did was to have static ApplicationContextProvider.getApplicationContext() method. Then, when it is time to need the current app context, I invoke: ApplicationContextProvider appConte...
iOS start Background Thread
...ou'd probably be better off using Grand Central Dispatch, though:
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
[self getResultSetFromDB:docids];
});
GCD is a newer technology, and is more efficient in terms of memory overhead and lines of code.
Updated w...
Spring Test & Security: How to mock authentication?
...e properly secured. Just in case someone changes things around and accidentally removes security settings.
7 Answers
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How can I create tests in Android Studio?
...ow testing works. If you follow along for the next 10 minutes, you will be all set up to start adding your tests to your own app. I think you'll be surprised how easy it is. I certainly was.
Intro to Android Testing
There are two different types of tests that you will do.
Local unit tests. These ar...
Using curl POST with variables defined in bash script functions
... function that generates the post data of your script. This saves you from all sort of headaches concerning shell quoting and makes it easier to read an maintain the script than feeding the post data on curl's invocation line as in your attempt:
generate_post_data()
{
cat <<EOF
{
"account...
编程基础与事件状态 05：用过程集中刷新界面 · App Inventor 2 中文网
... 实例名
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Width=Fill parent；FontSize=24；TextColor=#183153；Text=专注学习 · 第 5课
逐步搭建
找出开始、暂停、Timer 中重复的标签赋值。
建...
The difference between fork(), vfork(), exec() and clone()
...d I expected there to be a huge amount of information on this, but there really wasn't any solid comparison between the four calls.
...
If string is empty then return some default value
...
ActiveSupport adds a presence method to all objects that returns its receiver if present? (the opposite of blank?), and nil otherwise.
Example:
host = config[:host].presence || 'localhost'
...
Is it possible in SASS to inherit from a class in another file?
The question pretty much says it all.
4 Answers
4
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How to get a subset of a javascript object's properties
...og(picked); // { a: 5, c: 7 }
From Philipp Kewisch:
This is really just an anonymous function being called instantly. All of this can be found on the Destructuring Assignment page on MDN. Here is an expanded form
let unwrap = ({a, c}) => ({a, c});
let unwrap2 = function({a, ...