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DynamoDB vs MongoDB NoSQL [closed]

...ing to figure it out what can I use for a future project, we plan to store from about 500k records per month in the first year and maybe more for the next years this is a vertical application so there's no need to use a database for this, that's the reason why I decided to choose a noSQL data storag...
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Unable to understand useCapture parameter in addEventListener

...evel-3-Events-20031107/events.html#Events-phases Below, content extracted from the link. Phases The event is dispatched following a path from the root of the tree to this target node. It can then be handled locally at the target node level or from any target's ancestors higher in the tree. The ev...
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How can I cast int to enum?

... From an int: YourEnum foo = (YourEnum)yourInt; From a string: YourEnum foo = (YourEnum) Enum.Parse(typeof(YourEnum), yourString); // The foo.ToString().Contains(",") check is necessary for enumerations marked with an [Flags...
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How can I run an external command asynchronously from Python?

I need to run a shell command asynchronously from a Python script. By this I mean that I want my Python script to continue running while the external command goes off and does whatever it needs to do. ...
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How can you find and replace text in a file using the Windows command-line environment?

..., I would replace your shell. PowerShell gives you the full power of .Net from the command line. There are many commandlets built in as well. The example below will solve your question. I'm using the full names of the commands, there are shorter aliases, but this gives you something to Google fo...
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Do NSUserDefaults persist through an Update to an app in the Appstore?

...ngs app. What we find is that on an Install the version number gets loaded from the app bundle - therefore the version number is correct. On an update however the version number doesn't change. This gives the impression the user is running a previous version of the app. We don't have any logic linke...
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float64 with pandas to_csv

...das.DataFrame.to_csv and the float_precision argument available for pandas.from_csv. The original is still worth reading to get a better grasp on the problem. It was a bug in pandas, not only in "to_csv" function, but in "read_csv" too. It's not a general floating point issue, despite it's true ...
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In a Bash script, how can I exit the entire script if a certain condition occurs?

...tement will result in a complain (error message "return: can only `return' from a function or sourced script"). If exit <x> is used instead, when the script is invoked with source, it will result in exiting the shell that started the script, but an executable script will just terminate, as ex...
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How to check if a string is a valid date

... The ambiguity that prevents you from validating the date only does so to the extent that it also prevents you from parsing the date, but you've made a good attempt at parsing it with known information. It would be nice to use some of what you have to try to...
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How to print to console when using Qt

...function that Qt provides for sending output to stderr that can be removed from compilation with a define. So it is an alternative for achieving output to the console at runtime. – Arnold Spence Oct 7 '10 at 23:23 ...