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How can I tell how many objects I've stored in an S3 bucket?

...nto your account on S3, and go Account - Usage. It seems the billing dept knows exactly how many objects you have stored! Simply downloading the list of all your objects will actually take some time and cost some money if you have 50 million objects stored. Also see this thread about StorageObjec...
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How to start a background process in Python?

...when posted in 2009. Using the subprocess module shown in other answers is now recommended in the docs (Note that the subprocess module provides more powerful facilities for spawning new processes and retrieving their results; using that module is preferable to using these functions.) If you...
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ArrayList vs List in C#

...heck the type when you pull from the ArrayList to prevent casting errors. Now days people use object, making ArrayList no longer needed. – Switch Mar 26 '13 at 12:30 1 ...
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Determine the number of lines within a text file

... rather than greedily reading them all into an array like ReadAllLines. So now you can have both efficiency and conciseness with: var lineCount = File.ReadLines(@"C:\file.txt").Count(); Original Answer If you're not too bothered about efficiency, you can simply write: var lineCount = File.Rea...
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What is the proper way to test if a parameter is empty in a batch file?

... if "!param1!"=="" ( echo it is empty ) rem ... or use the DEFINED keyword now if defined param1 echo There is something The advantage of this is that dealing with param1 is absolutly safe. And the setting of param1 will work in many cases, like test.bat hello"this is"a"test test.bat you^&...
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Unable to install Maven on Windows: “JAVA_HOME is set to an invalid directory”

...ME=C:\progra~1\java\jdk1.7.0_03 Correct it to the right path I don't know if this is Windows specific, but it might help someone! share | improve this answer | follow ...
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Detect browser or tab closing

... If I get you correctly, you want to know when a tab/window is effectively closed. Well, AFAIK the only way in Javascript to detect that kind of stuffs are onunload & onbeforeunload events. Unfortunately (or fortunately?), those events are also fired when yo...
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Get JavaScript object from array of objects by value of property [duplicate]

... I don't know why you are against a for loop (presumably you meant a for loop, not specifically for..in), they are fast and easy to read. Anyhow, here's some options. For loop: function getByValue(arr, value) { for (var i=0, iLen=...
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How To Accept a File POST

...using the webapi? Below is how action I am currently using. Does anyone know of an example how this should work? 13 Answe...
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Hibernate JPA Sequence (non-Id)

... I know this is a very old question, but it's showed firstly upon the results and jpa has changed a lot since the question. The right way to do it now is with the @Generated annotation. You can define the sequence, set the defau...