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Counting inversions in an array
I'm designing an algorithm to do the following: Given array A[1... n] , for every i < j , find all inversion pairs such that A[i] > A[j] . I'm using merge sort and copying array A to array B and then comparing the two arrays, but I'm having a difficult time seeing how I can use this to find...
Free XML Formatting tool [closed]
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Open or paste your XML into it and press F8 to indent (you may need to set the number of indent spaces as it may default to 0).
It looks simple, however it contains a custom written XML parser written in C++ that allows it to work efficiently with very large XML files easily (unlike some expens...
How to remove line breaks from a file in Java?
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You need to set text to the results of text.replace():
String text = readFileAsString("textfile.txt");
text = text.replace("\n", "").replace("\r", "");
This is necessary because Strings are immutable -- calling replace doesn't change ...
How to write to file in Ruby?
I need to read the data out of database and then save it in a text file.
7 Answers
7
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“Treat all warnings as errors except…” in Visual Studio
...ere the message is null as errors, while we let those where the message is set remain warnings only. If the error parameter is set to true in the ObsoleteAttribute, a CS0619 is generated instead. This seems to not work if message is null (but who would do [Obsolete(null, true)] anyway?).
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How to clear the interpreter console?
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TERM environment variable not set.
– Jonathan
May 18 '19 at 23:46
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Converting a list to a set changes element order
Recently I noticed that when I am converting a list to set the order of elements is changed and is sorted by character.
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The Web Application Project […] is configured to use IIS. The Web server […] could not be found.
...regiis.exe -i
Next once that's run and finished, sometimes running
iisreset
from the command line helps, sometimes you don't need to.
Next, go to your IIS Manager and find you localhost website and choose add a folder.
Browse to the folder in your project that contains the actual ASP.Net proje...
How to dynamically create CSS class in JavaScript and apply?
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As of IE 9. You can now load a text file and set a style.innerHTML property. So essentially you can now load a css file through ajax (and get the callback) and then just set the text inside of a style tag like this.
This works in other browsers, not sure how far back. ...
Remove an entire column from a data.frame in R
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You can set it to NULL.
> Data$genome <- NULL
> head(Data)
chr region
1 chr1 CDS
2 chr1 exon
3 chr1 CDS
4 chr1 exon
5 chr1 CDS
6 chr1 exon
As pointed out in the comments, here are some other possibilitie...