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How can I force gradle to redownload dependencies?

... Generally, you can refresh dependencies in your cache with the command line option --refresh-dependencies. You can also delete the cached files under ~/.gradle/caches. With the next build Gradle would attempt to download them again. What is your specific use case? Do you use dynamic depende...
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Best way to list files in Java, sorted by Date Modified?

...h that the oldest files are first. My solution was to call File.listFiles and just resort the list based on File.lastModified, but I was wondering if there was a better way. ...
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How do I check for nulls in an '==' operator overload without infinite recursion?

... And what does foo1.Equals(foo2) means if, for example, I want foo1 == foo2 only if foo1.x == foo2.x && foo1.y == foo2.y? Isn't this answering ignoring the case where foo1 != null but foo2 == null? ...
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HTTP error 403 in Python 3 Web Scraping

... This works but I feel like they must have a good reason to block bots and I'm violating their terms of service – xjcl Oct 11 '19 at 7:19 add a comment  ...
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How to have the cp command create any necessary folders for copying a file to a destination [duplica

... To expand upon Christian's answer, the only reliable way to do this would be to combine mkdir and cp: mkdir -p /foo/bar && cp myfile "$_" As an aside, when you only need to create a single directory in an existing hierar...
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Count all occurrences of a string in lots of files with grep

... doesn't work if you want to search in subdirectories too, whereas grep -o and wc -l does. cat is quicker in cases like the original question though. – Leagsaidh Gordon Jan 3 '13 at 15:37 ...
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Is it possible to start activity through adb shell? [duplicate]

... Launch adb shell and enter the command as follows am start -n yourpackagename/.activityname share | improve this answer | ...
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How to listen for changes to a MongoDB collection?

... to the data. Replicas Sets function by listening to changes on this oplog and then applying the changes locally. Does this sound familiar? I cannot detail the whole process here, it is several pages of documentation, but the tools you need are available. First some write-ups on the oplog - Bri...
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How to elegantly rename all keys in a hash in Ruby? [duplicate]

... Just use mappings[k] || k instead of mappings[k] above and it will leave keys not in the mapping as is. – Mladen Jablanović Nov 9 '10 at 20:26 ...
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DatabaseError: current transaction is aborted, commands ignored until end of transaction block?

... This is what postgres does when a query produces an error and you try to run another query without first rolling back the transaction. (You might think of it as a safety feature, to keep you from corrupting your data.) To fix this, you'll want to figure out where in the code that ...