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Is the C# static constructor thread safe?
...ception, forgetting to call Release), next time this Singleton is accessed from a different thread it will deadlock in Singleton.Acquire().
– Milan Gardian
Jun 25 '09 at 13:16
2
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Android Closing Activity Programmatically
What is the equivalent operation within an activity to navigating away from the screen. Like when you press the back button, the activity goes out of view. How can this be called from inside an activity so that it closes itself.
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Get size of folder or file
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The variable has to be final when accessed from anonymous class
– Aksel Willgert
Dec 28 '14 at 10:30
1
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How to execute multi-line statements within Python's own debugger (PDB)
...eems the same can be achieved using the pdb interact command (as I learned from this bug tracker message).
– gerrit
Jun 11 '14 at 15:15
3
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where is gacutil.exe?
... it installed.
As @devi mentioned
If you decide to grab gacutil files from existing installation, note
that from .NET 4.0 is three files: gacutil.exe gacutil.exe.config and
1033/gacutlrc.dll
share
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Choosing the best concurrency list in Java [closed]
...ol has a fixed number of threads. These threads need to write and read from a shared list frequently.
6 Answers
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How to configure port for a Spring Boot application
...application argument
java -jar <path/to/my/jar> --server.port=7788
From property in SPRING_APPLICATION_JSON (Spring Boot 1.3.0+)
Define environment variable in U*IX shell:
SPRING_APPLICATION_JSON='{"server.port":7788}' java -jar <path/to/my/jar>
By using Java system property:
java...
Python: using a recursive algorithm as a generator
... In Python 3.4, you can replace the last two lines with yield from getPermutations(string[:i] + string[i+1:]), which is more efficient in many ways!
– Manuel Ebert
Apr 29 '14 at 17:46
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How do I choose between Semaphore and SemaphoreSlim?
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From the MSDN documentation, "The SemaphoreSlim class is the recommended semaphore for synchronization within a single app.". Except for special cases, you should default to using SemaphoreSlim if only one process is using th...
What is the difference between ? and Object in Java generics?
...ap<String, Object>. Say you want to write a method that accepts maps from Strings to anything: If you would write
public void foobar(Map<String, Object> ms) {
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}
you can't supply a HashMap<String, String>. If you write
public void foobar(Map<String, ?> ms) {
.....