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Booleans, conditional operators and autoboxing
Why does this throw NullPointerException
4 Answers
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How can I get the current date and time in UTC or GMT in Java?
...s since the Unix epoch, in UTC. It's most accurate to say that Date itself doesn't have a time zone at all - it's just an instant in time, which could be regarded in multiple time zones. But when you create an instance, it doesn't depend on your time zone.
– Jon Skeet
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How to reduce iOS AVPlayer start delay
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The asset may not ready once you create it, it may does calculations like duration of movie, be sure to contain all metadata of the movie in the file.
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Difference between encoding and encryption
...stored without danger on a storage medium. For instance, computer hardware does not manipulate text, it merely manipulates bytes, so a text encoding is a description of how text should be transformed into bytes. Similarly, HTTP does not allow all characters to be transmitted safely, so it may be nec...
gulp.run is deprecated. How do I compose tasks?
...esigned to run in parallel? So even though you are listing build first, it doesn't have to finish before the watch task fires. I am getting from the OP that they want to ensure build has finished before watch begins.
– Sean Ryan
Jun 25 '15 at 22:30
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Flatten an Array of Arrays in Swift
...uld apply flatMap again, we would act on an `Any? type, where the compiler does not know anymore if it is a simple value or an array itself.
– andreschneider
Nov 4 '19 at 9:25
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How to retrieve a file from a server via SFTP?
...ysoft, I noticed - while using Jsch - removing files on the sftp-server does not work. Also renaming files does not work too. Any ideas please??? Andy
– user283062
Jan 31 '11 at 1:24
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What's an easy way to read random line from a file in Unix command line?
...so a utility called rl. In Debian it's in the randomize-lines package that does exactly what you want, though not available in all distros. On its home page it actually recommends the use of shuf instead (which didn't exist when it was created, I believe). shuf is part of the GNU coreutils, rl is ...
What is mutex and semaphore in Java ? What is the main difference?
...w, in general there are two types of mutexes, recursive and non-recursive. Does Java by default use the recursive type?
– edA-qa mort-ora-y
Apr 24 '11 at 12:10
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Disabled form inputs do not appear in the request
...f type='text' and type='password' and for <textarea/>. What readonly does is preventing the user from changing the controls value. Preventing the user from changing value of a checkbox (or input of type radio) does not make much sense...
– Muleskinner
Nov...