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How to get the current time in milliseconds from C in Linux?
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98
This can be achieved using the POSIX clock_gettime function.
In the current version of POSIX, ...
How to forward declare a C++ template class?
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I haven't checked the standards, but this works on clang/gcc with -std=c++98 up to -std=c++17, so if it's not officially a standard then it looks to be unofficially so.
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micro:bit 连接报错 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...，在连上的一瞬间后直接闪退，并且报错了。
运行故障
java.lang.ExceptionInInitializerError at edu.mit.appinventor.ble.BluetoothLEint$BLEReadOperation.subscribeBluetoothLEint.java:357) at
edu.mit.appinventor.ble.BluetoothLEintSBLEReadOperation.run(BluetoothLEint.java:325) at an...
Calling clojure from java
Most of the top google hits for "calling clojure from java" are outdated and recommend using clojure.lang.RT to compile the source code. Could you help with a clear explanation of how to call Clojure from Java assuming you have already built a jar from the Clojure project and included it in the cl...
How to run Unix shell script from Java code?
It is quite simple to run a Unix command from Java.
17 Answers
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How to write logs in text file when using java.util.logging.Logger
...hrough logging.properties file. And it can be passed as JVM parameter ex : java -Djava.util.logging.config.file=/scratch/user/config/logging.properties
Details: https://docs.oracle.com/cd/E23549_01/doc.1111/e14568/handler.htm
Configuring the File handler
To send logs to a file, add FileHandler to...
Scala equivalent of Java java.lang.Class Object
... System",
val c = new C
val clazz = c.getClass // method from java.lang.Object
val clazz2 = classOf[C] // Scala method: classOf[C] ~ C.class
val methods = clazz.getMethods // method from java.lang.Class<T>
The classOf[T] method returns the runtime representation...
How to iterate through range of Dates in Java?
...n a start and end date.
Please provide me guidance to achieve this using Java.
13 Answers
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Encoding as Base64 in Java
I need to encode some data in the Base64 encoding in Java. How do I do that? What is the name of the class that provides a Base64 encoder?
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Java Delegates?
Does the Java language have delegate features, similar to how C# has support for delegates?
15 Answers
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