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How to find all serial devices (ttyS, ttyUSB, ..) on Linux without opening them?
...t access '/dev/serial/': No such file or directory Slackware 14.2 current x64
– jpka
Sep 11 '18 at 15:22
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How to diff one file to an arbitrary version in Git?
...u can refer to commit hash number, for example if the hash number is x110bd64, you can do something like this to see the difference:
git diff x110bd64 pom.xml
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Why does this code using random strings print “hello world”?
...andom.nextInt(27);
if (random.nextInt(27) == 0) {
int base = input[0] - pool[0];
for (int i = 1; i < input.length; i++) {
if (input[i] - pool[i] != base)
continue label;
}
return new long[]{seed, base};
...
How do I find where JDK is installed on my windows machine?
...ok at HKLM\SOFTWARE\JavaSoft\Java Runtime Environment and HKLM\SOFTWARE\Wow6432Node\JavaSoft\Java Runtime Environment for 32-bit java on 64 bit Windows.
This is how java itself finds out different versions installed. And this is why both 32-bit and 64-bit version can co-exist and works fine without...
Serialize an object to string
... a method that calls SerializeObject that is defined in the derived type's base class: http://ideone.com/1Z5J1.
Also, Ideone uses Mono to execute code; the actual Exception you would get using the Microsoft .NET runtime has a different Message than the one shown on Ideone, but it fails just the sam...
Int division: Why is the result of 1/3 == 0?
...at least one operand of type long, then the operation is carried out using 64-bit precision, and the result of the numerical operator is of type long. If the other operand is not long, it is first widened (§5.1.5) to type long by numeric promotion (§5.6).
And an example is always the best way t...
Is there an ExecutorService that uses the current thread?
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I wrote an ExecutorService based on the AbstractExecutorService.
/**
* Executes all submitted tasks directly in the same thread as the caller.
*/
public class SameThreadExecutorService extends AbstractExecutorService {
//volatile because can be...
How can I list all the deleted files in a Git repository?
... -n '/^commit/h;/\/some_dir\//{G;s/\ncommit \(.*\)/ \1/gp}'
delete mode 100644 blah/some_dir/file1 d3bfbbeba5b5c1da73c432cb3fb61990bdcf6f64
delete mode 100644 blah/some_dir/file2 d3bfbbeba5b5c1da73c432cb3fb61990bdcf6f64
delete mode 100644 blah/some_dir/file3 9c89b91d8df7c95c6043184154c476623414fcb7
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Run an app on a multiple devices automatically in Android Studio
....42.35.5791312, built on August 9, 2019
JRE: 1.8.0_202-release-1483-b03 amd64
JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o
Windows Server 2016 10.0
In this update they have added in-built option to run application on multiple devices.
The IDE has a new drop-down menu that lets you quickly ...
Java Security: Illegal key size or default parameters?
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@JamesBlack - Yep, and to make sure all the bases were covered I put the JAR's under Java/jre/lib/security, Java/jdk/lib/security, and Java/jdk/jre/lib/security. Running 'java -version' returns the expected details.
– aroth
Oct 2...