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How is a CRC32 checksum calculated?
...r. If you are a hard-core CS-student or engineer I challenge to break this down. Everyone will benefit from this analysis.
So to work out a full example:
Original message : 1101011011
Polynomial of (W)idth 4 : 10011
Message after appending W zeros : 11010110110...
Using msbuild to execute a File System Publish Profile
... same issue with Visual Studio 2015. After many of hours trying, I can now do msbuild myproject.csproj /p:DeployOnBuild=true /p:PublishProfile=myprofile.
I had to edit my .csproj file to get it working. It contained a line like this:
<Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualS...
Can I escape html special chars in javascript?
... replace() calls are unnecessary. Plain old single-character strings would do just as well.
– jamix
May 30 '14 at 14:47
25
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How do I measure time elapsed in Java? [duplicate]
... System.nanoTime(). You cannot use System.currentTimeMillis(), unless you don't mind your result being wrong.
The purpose of nanoTime is to measure elapsed time, and the purpose of currentTimeMillis is to measure wall-clock time. You can't use the one for the other purpose. The reason is that no c...
Why are Subjects not recommended in .NET Reactive Extensions?
...
Ok,
If we ignore my dogmatic ways and ignore "subjects are good/bad" all together. Let us look at the problem space.
I bet you either have 1 of 2 styles of system you need to ingrate to.
The system raises an event or a call back when a messag...
How can I use inverse or negative wildcards when pattern matching in a unix/linux shell?
...
In Bash you can do it by enabling the extglob option, like this (replace ls with cp and add the target directory, of course)
~/foobar> shopt extglob
extglob off
~/foobar> ls
abar afoo bbar bfoo
~/foobar> ls !(b*)
-bash: !...
Java compile speed vs Scala compile speed
...implicit conversion, and a much more powerful type system. These features don't come for free, so I wouldn't expect scalac to ever be as fast as javac. This reflects a trade-off between the programmer doing the work and the compiler doing the work.
That said, compile times have already improved n...
Determining 32 vs 64 bit in C++
... could think of cases where this might fail or if there is a better way to do this. Please note we are trying to do this in a cross-platform, multiple compiler environment.
...
AngularJS : When to use service instead of factory
...es.
So, use a factory when you have complex logic in your service and you don't want expose this complexity.
In other cases if you want to return an instance of a service just use service.
But you'll see with time that you'll use factory in 80% of cases I think.
For more details: http://blog.m...
How to write a foreach in SQL Server?
... FROM MY_CURSOR INTO @PractitionerId
WHILE @@FETCH_STATUS = 0
BEGIN
--Do something with Id here
PRINT @PractitionerId
FETCH NEXT FROM MY_CURSOR INTO @PractitionerId
END
CLOSE MY_CURSOR
DEALLOCATE MY_CURSOR
shar...