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What is the fastest way to create a checksum for large files in C#

...of md5sum.exe. It's about two times as fast as the .NET implementation (at least on my machine using a 1.2 GB file) public static string Md5SumByProcess(string file) { var p = new Process (); p.StartInfo.FileName = "md5sum.exe"; p.StartInfo.Arguments = file; p.StartInfo....
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iPhone app in landscape mode, 2008 systems

...erable. It is EXTREMELY DIFFICULT to make this work fully -- there are at least three problems/bugs at play. try this .. interface builder landscape design Note in particular that where it says "and you need to use shouldAutorotateToInterfaceOrientation properly everywhere" it means everywhere, all...
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Finding the index of an item in a list

...x call in a try/except block which catches ValueError (probably faster, at least when the list to search is long, and the item is usually present.) share | improve this answer | ...
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Creating an R dataframe row-by-row

...at does not mean you should. Dynamically growing structures is one of the least efficient ways to code in R. If you can, allocate your entire data.frame up front: N <- 1e4 # total number of rows to preallocate--possibly an overestimate DF <- data.frame(num=rep(NA, N), txt=rep("", N), # a...
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Why catch and rethrow an exception in C#?

... Dave, but (in java at least) you wouldn't throw a "generic" MyException, you'd define a SPECIFIC exception type and throw it, allowing it to be differentiated-by-type in the catch block... But yes, if your not the architect of the exception (I'm t...
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Is there a JavaScript function that can pad a string to get to a determined length?

...ugh that I generally wouldn't even bother with the prototype extension (at least for only a few uses in an app). Well done. – brichins May 7 '13 at 23:54 32 ...
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It is more efficient to use if-return-return or if-else-return?

...ing the MISRA committee about this several times, for example see this. At least the rule got downgraded to advisory in MISRA-C:2012. – Lundin Apr 5 '19 at 6:45 ...
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Jquery - How to make $.post() use contentType=application/json?

... As usual - best answer comes last to the party and has least upvotes ;( – nikib3ro Feb 7 '14 at 23:29 ...
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How to replace a string in multiple files in linux command line

... At least for my version of sed, -i requires a string after it, which is appended to the old file names. So sed -i .bak 's/foo/bar/g' *.xx moves all .xx files to the equivalent .xx.bak name and then generates the .xx files with t...
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Any way to exit bash script, but not quitting the terminal

...ple exit code in the script: if [ $# -lt 2 ]; then echo "Needs at least two arguments" return 1 2>/dev/null exit 1 fi The line with the exit command will not be called when you source the script after the return command. When you execute the script, return command gives a...