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What is the recommended way to delete a large number of items from DynamoDB?
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What I ideally want to do is call LogTable.DeleteItem(user_id) -
Without supplying the range, and have it delete everything for me.
An understandable request indeed; I can imagine advanced operations like these might get added over time by the AWS...
Why JavaScript rather than a standard browser virtual machine?
..."Machine language" for the web, with other better designed languages and APIs compile down to it (and cater for different runtime engine foibles).
I don't think, however, any of these "better designed languages" will be Java, Python or Ruby. Javascript is, despite the ability to be used elsewhere, ...
How to convert a string to an integer in JavaScript?
...er ([IE8, Firefox 20, Chrome 22 and older][1])
unary plus
if your string is already in the form of an integer:
var x = +"1000";
if your string is or might be a float and you want an integer:
var x = Math.floor("1000.01"); //floor automatically converts string to number
or, if you're going to...
Why are preprocessor macros evil and what are the alternatives?
I have always asked this but I have never received a really good answer; I think that almost any programmer before even writing the first "Hello World" had encountered a phrase like "macro should never be used", "macro are evil" and so on, my question is: why? With the new C++11 is there a real alte...
How to send an object from one Android Activity to another using Intents?
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If you're just passing objects around then Parcelable was designed for this. It requires a little more effort to use than using Java's native serialization, but it's way faster (and I mean way, WAY faster).
From the docs, a simple example for how to implement is:
// simple class that just has on...
Is Task.Result the same as .GetAwaiter.GetResult()?
...the point of using either of those when it's async? The 100x better option is to use await.
Also, you're not meant to use GetResult(). It's meant to be for compiler use only, not for you. But if you don't want the annoying AggregateException, use it.
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What is the difference between tar and zip? [closed]
What is the difference between tar and zip? What are the use cases for each?
1 Answer
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What is the difference between pylab and pyplot? [duplicate]
What is the difference between
matplotlib.pyplot and matplotlib.pylab?
1 Answer
1
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What is &&& operation in C
The output of the above program compiled using gcc is
2 Answers
2
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What is your preferred php deployment strategy? [closed]
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For PHP, SVN with Phing build scripts are the way to go. Phing is similar to ANT but is written in PHP, which makes it much easier for PHP developers to modify for their needs.
Our deployment routine is as follows:
Everyone develops on the same local server at work, every developer ha...