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普通码农和CTO之间的差距，就是这7点了 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...能键盘码程序的全才。java.util.concurrent依旧经典，无论是API还是性能都叱咤风云多年屹立不倒。（只要你用线程、锁这种并发模型，java的并发库分分钟秒杀所有）
Guava，比起apachecommons包它非常现代化。google的招牌这个就不必多...
Invalidating JSON Web Tokens
...s an emergency, or a user token was compromised, one thing you could do is allow the user to change an underlying user lookup ID with their login credentials. This would render all associated tokens invalid, as the associated user would no longer be able to be found.
I also wanted to note that it is...
CA2202, how to solve this case
Can anybody tell me how to remove all CA2202 warnings from the following code?
12 Answers
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Selecting element by data attribute
...d to select elements based on their data attribute? For example, select all anchors that has data attribute named customerID which has value of 22 .
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How can I run code on a background thread on Android?
...e is that AsyncTasks are qeued. If you use this for a bunch of server api calls, they will not run in parallel.
– Chase Roberts
Jul 23 '18 at 15:38
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Making a triangle shape using xml definitions?
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You can use vector drawables.
If your minimum API is lower than 21, Android Studio automatically creates PNG bitmaps for those lower versions at build time (see Vector Asset Studio). If you use the support library, Android even manages "real vectors" down to API 7 (more ...
How to attach my repo to heroku app
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git push
Put empty (blank) when the Git prompt for username, and your API Key for the password. You can get your API Key by showing it from the link below.
https://dashboard.heroku.com/account
Note: You cannot authenticate with the Heroku HTTP Git endpoint using your Heroku username (email) ...
Creating a temporary directory in Windows?
... This seems a little dangerous. In particular, there's a chance (small, but non-zero, right?) that Path.Combine(Path.GetTempPath(), Path.GetRandomFileName()) will return the name of a directory that already exists. Since Directory.CreateDirectory(tempDirectory) won't throw an exception if te...
Convert file: Uri to File in Android
...a Images.Media.EXTERNAL_CONTENT_URI (e.g. from Intent.ACTION_PICK for the Gallery) from you will need to look it up as in stackoverflow.com/q/6935497/42619
– Nuthatch
Jan 13 '12 at 4:15
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Override Java System.currentTimeMillis for testing time sensitive code
... current time, as presented via System.currentTimeMillis , other than manually changing the system clock on the host machine?
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