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What is the recommended way to delete a large number of items from DynamoDB?
...aximum operations in a single request — You can specify a total of up to 25 put or delete operations; however, the total request size cannot exceed 1 MB (the HTTP payload).
Not an atomic operation — Individual operations specified in a BatchWriteItem are atomic; however BatchWriteItem as a whole...
PHP 5: const vs static
...// returns 10
echo ClassName::MY_CONST; // returns 5
ClassName::$my_var = 20; // now equals 20
ClassName::MY_CONST = 20; // error! won't work.
Public, protected, and private are irrelevant in terms of consts (which are always public); they are only useful for class variables, including static ...
How do I get current date/time on the Windows command line in a suitable format for usage in a file/
Update: Now that it's 2016 I'd use PowerShell for this unless there's a really compelling backwards-compatible reason for it, particularly because of the regional settings issue with using date . See @npocmaka's https://stackoverflow.com/a/19799236/8479
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HTML5: number input type that takes only integers?
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answered Jun 20 '13 at 8:19
Aurélien OomsAurélien Ooms
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Convert between UIImage and Base64 string
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How can I match on an attribute that contains a certain string?
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Pikamander2
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answered Mar 27 '11 at 12:58
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How do I hide an element when printing a web page?
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edited Dec 4 '18 at 15:22
community wiki
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What is the cleanest way to ssh and run multiple commands in Bash?
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Task continuation on UI thread
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edited Jun 24 '16 at 0:35
answered Dec 2 '10 at 3:02
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Getting “net::ERR_BLOCKED_BY_CLIENT” error on some AJAX calls
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answered Apr 28 '14 at 23:19
nmaiernmaier
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