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Querying DynamoDB by date
I'm coming from a relational database background and trying to work with amazon's DynamoDB
7 Answers
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Python != operation vs “is not”
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== is an equality test. It checks whether the right hand side and the left hand side are equal objects (according to their __eq__ or __cmp__ methods.)
is is an identity test. It checks whether the right hand side and the left hand side are the very same object. No methodcalls ...
How can I change the cache path for npm (or completely disable the cache) on Windows?
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You can change npm cache folder using the npm command line. (see : https://docs.npmjs.com/misc/config and more specifically https://docs.npmjs.com/misc/config#cache)
So you might want to try this command :
> npm config set cache C:\Devel\nodejs\npm-cache --global
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In a .csproj file, what is for?
... differences.
None - The file is not included in the project output group and is not compiled in the build process. An example is a text file that contains documentation, such as a Readme file.
Content - The file is not compiled, but is included in the Content output group. For example, this settin...
Why isn't std::initializer_list a language built-in?
It seems to me that it's quite an important feature of C++11 and yet it doesn't have its own reserved keyword (or something alike).
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How to specify function types for void (not Void) methods in Java8?
...e Function is not appropriate in this case because it receives a parameter and has a return value. Instead you should use Consumer (formerly known as Block)
The Function type is declared as
interface Function<T,R> {
R apply(T t);
}
However, the Consumer type is compatible with that you ...
Loop through each row of a range in Excel
This is one of those things that I'm sure there's a built-in function for (and I may well have been told it in the past), but I'm scratching my head to remember it.
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Comparing Haskell's Snap and Yesod web frameworks
The two Haskell web frameworks in the news recently are Yesod (at 0.8) and Snap (at 0.4).
4 Answers
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Difference between an application server and a servlet container?
I am trying to understand the difference between a full fledged application server (e.g. Weblogic, JBoss etc.) and a servlet container (Tomcat, Jetty etc.).
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Clear terminal in Python [duplicate]
Does any standard "comes with batteries" method exist to clear the terminal screen from a Python script, or do I have to go curses (the libraries, not the words)?
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