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Command to list all files in a folder as well as sub-folders in windows
I tried searching for a command that could list all the file in a directory as well as subfolders using a command prompt command.
I have read the help for "dir" command but coudn't find what I was looking for.
Please help me what command could get this.
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Android-java- How to sort a list of objects by a certain value within the object
Im trying to sort through an arraylist of objects by a particular value within the object. What would be the best approach to do such a thing. Should I use Collections.sort() with some kind of comparator?
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How to shorten my conditional statements
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//do something
}
http://jsperf.com/if-statements-test-techsin
(Top set: Chrome, bottom set: Firefox)
Conclusion :
If possibilities are few and you know that certain ones are more likely to occur than you get maximum performance out if || ,switch fall through , and if(obj[keyval]).
If poss...
How can I reset or revert a file to a specific revision?
I have made some changes to a file which has been committed a few times as part of a group of files, but now want to reset/revert the changes on it back to a previous version.
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Does Java have a HashMap with reverse lookup?
...p<V, K> result = new HashMap<V, K>();
for(K k: toInvert.keySet()){
result.put(toInvert.get(k), k);
}
return result;
}
Of course you must have a map with unique values. Otherwise, one of them will be replaced.
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Invalid date format specification in gemspec
...s.
If you really know what you are doing, you can still update rubygems by setting the REALLY_GEM_UPDATE_SYSTEM environment variable, but please remember that this is completely unsupported by Debian.
However I was finally able to update rubygems to 1.8.15 by issuing:
sudo gem install rubygems-up...
Check if a path represents a file or a folder
I need a valid method to check if a String represents a path for file or a directory. What are valid directory names in Android? As it comes out, folder names can contain '.' chars, so how does system understand whether there's a file or a folder?
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Script entire database SQL-Server
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Is there a way to set up a script to do this so the settings are always the same no matter who runs it? I foresee people on our dev team overwriting this file with different settings each time...
– Joe Phillips
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Check variable equality against a list of values
I'm checking a variable, say foo , for equality to a number of values. For example,
13 Answers
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Formatting a float to 2 decimal places
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