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Swift native base class or NSObject
...al opt-in. As far as we know it may very well be that in the future system APIs will be added that are not natively objc. In the mid/long term they may even migrate existing libraries to non-objc code with a thin compatibility layer in objc that calls into the non objc code. We just do not know. We'...
How to sort findAll Doctrine's method?
...
Look at the Doctrine API source-code :
class EntityRepository{
...
public function findAll(){
return $this->findBy(array());
}
...
}
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How to detect incoming calls, in an Android device?
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With Android P - Api Level 28:
You need to get READ_CALL_LOG permission
Restricted access to call logs
Android P moves the CALL_LOG, READ_CALL_LOG, WRITE_CALL_LOG, and PROCESS_OUTGOING_CALLS permissions from the PHONE permission group to th...
How can my iphone app detect its own version number?
...tring in your plist.info and read that programmatically using the provided API.
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How to calculate the CPU usage of a process by PID in Linux from C?
...ing the usage of current process or its child
Update:
I can't remember an API. But all details will be in /proc/PID/stat, so if we could parse it, we can get the percentage.
EDIT:
Since CPU % is not straight forward to calculate, You could use sampling kind of stuff here. Read ctime and utime for ...
How to choose an AES encryption mode (CBC ECB CTR OCB CFB)?
...te and the issuer chain). If you can't use TLS, look for the highest level API your system has to offer for your task and be sure you understand the guarantees it offers and more important what it does not guarantee. For the example above a framework like Play offers client side storage facilities, ...
What is the difference between a symbolic link and a hard link?
...n get the open and unlink to happen atomically, which there may be a POSIX API for that I'm not remembering, then you really have a safe temporary file) where you can read/write your data without anyone being able to access it. Well, that was true before /proc gave everyone the ability to look at y...
How do I get a platform-dependent new line character?
... and `%n` becomes newline ^^
See the Java 1.8 API for Formatter for more details.
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为什么我们程序员写不出好代码？ - 杂谈 - 清泛网 - 专注C/C++及内核技术
...你带来很多乐趣，处于最前沿的程序员总是喜欢修改整个API，并且重写它们，迫使人们不得不修改底层的代码。
当我试图兼顾Python 3.0和Python 2.7两个版本时，尽管Pyhton是一个相对稳定的版本，但我还是感到很烦。
在许多情况下...
How do you specify the Java compiler version in a pom.xml file?
... Platform Versions.
Compiles against the public, supported and documented API for a
specific VM version.
This way provides a standard way to specify the same version for the source, the target and the bootstrap JVM options.
Note that specifying the bootstrap is a good practice for cross compilatio...