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Calendar returns wrong month [duplicate]

...leDateFormat to get the String-representation of the month: Calendar rightNow = Calendar.getInstance(); java.text.SimpleDateFormat df1 = new java.text.SimpleDateFormat("MM"); java.text.SimpleDateFormat df2 = new java.text.SimpleDateFormat("MMM"); java.text.SimpleDateFormat df3 = new java.text.Simpl...
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How does one make random number between range for arc4random_uniform()?

so my goal in this codebit is to randomly roll two dice and as we all know your regular die only has 6 sides so I imported Foundation for access to arc4random_uniform(UInt32). I attempted using the range of (1..7) to avoid randomly getting 0 however that returned an error which I didn't enjoy too mu...
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How to print a date in a regular format?

...ture (as a data). It can be get using the repr() function and is handy to know what kind of data your manipulating while you are developing or debugging. repr(datetime.datetime(2008, 11, 22, 19, 53, 42)) gives you 'datetime.datetime(2008, 11, 22, 19, 53, 42)'. What happened is that when you have p...
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How do I measure time elapsed in Java? [duplicate]

... to use in order to accomplish this in Java? The short answer is a long. Now, more on how to measure... System.currentTimeMillis() The "traditional" way to do this is indeed to use System.currentTimeMillis(): long startTime = System.currentTimeMillis(); // ... do something ... long estimatedTim...
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Getting GDB to save a list of breakpoints

... As of GDB 7.2 (2011-08-23) you can now use the save breakpoints command. save breakpoints <filename> Save all current breakpoint definitions to a file suitable for use in a later debugging session. To read the saved breakpoint definitions, use th...
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Why do Python's math.ceil() and math.floor() operations return floats instead of integers?

...nsider: If floor() returned an integer, what should floor(1.0e30) return? Now, while Python's integers are now arbitrary precision, it wasn't always this way. The standard library functions are thin wrappers around the equivalent C library functions. ...
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Generating a UUID in Postgres for Insert statement?

...y run. Then I had to run psql -d dbname -f SHAREDIR/contrib/module.sql and now it works!!! select uuid_generate_v1(); returns 1 now now. Thanks so much! – anon58192932 Sep 29 '12 at 22:13 ...
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How can I add or update a query string parameter?

... Update (2020): URLSearchParams is now supported by all modern browsers. The URLSearchParams utility can be useful for this in combination with window.location.search. For example: if ('URLSearchParams' in window) { var searchParams = new URLSearchParams(w...
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Set cache-control for entire S3 bucket automatically (using bucket policies?)

... existing and future files and was hoping to do it in a bucket policy. I know I can edit the existing ones and I know how to specify them on put if I upload them myself but unfortunately the app that uploads them cannot set the headers as it uses s3fs to copy the files there. ...
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Mutex example / tutorial? [closed]

... it. The other men wait outside //man happily talks to his wife from now.... std::cout << i << " Hello Wife" << std::endl; i++;//no other thread can access variable i until m.unlock() is called //...until now, with no interruption from other men m.unlock...