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Changing all files' extensions in a folder with one command on Windows
How can I use the Windows command line to change the extensions of thousands of files to *****.jpg ?
11 Answers
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Why is there no Tree class in .NET?
The base class library in .NET has some excellent data structures for collections (List, Queue, Stack, Dictionary), but oddly enough it does not contain any data structures for binary trees. This is a terribly useful structure for certain algorithms, such as those that take advantage of different tr...
How to use java.String.format in Scala?
I am trying to use a .format method of a string. But if I place %1, %2, etc. in the string, java.util.UnknownFormatConversionException is thrown pointing to a confusing Java source code piece:
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How to find the most recent file in a directory using .NET, and without looping?
I need to find the most recently modified file in a directory.
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Scraping html tables into R data frames using the XML package
How do I scrape html tables using the XML package?
4 Answers
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Does .asSet(…) exist in any API?
I'm looking for a very simple way to create a Set.
10 Answers
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How do I concatenate two text files in PowerShell?
I am trying to replicate the functionality of the cat command in Unix.
11 Answers
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ALTER TABLE to add a composite primary key
I have a table called provider . I have three columns called person , place , thing . There can be duplicate persons, duplicate places, and duplicate things, but there can never be a dupicate person-place-thing combination.
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How to move files from one git repo to another (not a clone), preserving history
... out as parts of a single monster SVN repository where the individual projects each had their own tree like so:
15 Answers
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https connection using CURL from command line
I am new to Curl and Cacerts world and facing a problem while connecting to a server.
Basically, I need to test connectivity over https from one machine to another machine.
I have a URL to which I need to connect from Machine A (a linux machine)
I tried this on command prompt
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