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Generate a Hash from string in Javascript
... leading '0's so that the resulting hash is always 8 chars long. Easier to read and recognize in outputs, but that's my personal opinion
– mar10
Oct 22 '14 at 14:53
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What are the use(s) for tags in Go?
...rent structs and best way to get familiar with the tags a package needs is READING A PACKAGE DOCUMENTATION COMPLETELY.
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Most efficient way to increment a Map value in Java
... an operation typical of the scenario I presented: opening a 10MB file and reading it in, then performing a frequency count of all the word tokens in the file. Since this took an average of only 3 seconds, I had it perform the frequency count (not the I/O) 10 times.
timed the loop of 10 iterations b...
What are the First and Second Level caches in Hibernate?
...he entire application, not bound to single user. Since
the objects are already loaded in the cache, whenever an object is
returned by the query, at that time no need to go for a database
transaction. In this way the second level cache works. Here we can use
query level cache also.
Quoted f...
SVN best-practices - working in a team
...... do as many commits as needed, on the feature branch, then when you are ready merge it to trunk ... rollbacks only mean removing the merged commit. +1 for keeping related code together ...
– farinspace
Sep 11 '11 at 2:12
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Error java.lang.OutOfMemoryError: GC overhead limit exceeded
...ng tons of temporary objects and tons of weakly-referenced objects in an already very memory-constrained environment.
Check out the Java GC tuning guide, which is available for various Java versions and contains sections about this specific problem:
Java 11 tuning guide has dedicated sections on ...
What is the difference between Trap and Interrupt?
...oper Manual. For the (definitive and complex) x86 perspective, I recommend reading the SDM's chapter on Interrupt and Exception handling.
Vectored Events
Vectored Events (interrupts and exceptions) cause the processor to jump into an interrupt handler after saving much of the processor's state (en...
What is the difference between ManualResetEvent and AutoResetEvent in .NET?
I have read the documentation on this and I think I understand. An AutoResetEvent resets when the code passes through event.WaitOne() , but a ManualResetEvent does not.
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Can I have multiple Xcode versions installed?
...nstall Xcode 7 which is available through App Store).
For Ex:-
You have already installed XCode 6.x, and App Store has XCode 7
already given by App Store. For any reason you need to keep that Older
XCode 6.x(as you know it is stable for some time now) and also you
need to install and try out new XC...
android get real path by Uri.getPath()
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Couldn't read row 0, col -1 from CursorWindow. Make sure the Cursor is initialized correctly before accessing data from it.
– Maveňツ
Aug 10 '17 at 13:26
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