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Maximum size of an Array in Javascript
Context: I'm building a little site that reads an rss feed, and updates/checks the feed in the background. I have one array to store data to display, and another which stores ID's of records that have been shown.
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How is “=default” different from “{}” for default constructor and destructor?
...om simply doing {}. With the latter, the function becomes "user-provided". And that changes everything.
This is a trivial class by C++11's definition:
struct Trivial
{
int foo;
};
If you attempt to default construct one, the compiler will generate a default constructor automatically. Same goes...
The input is not a valid Base-64 string as it contains a non-base 64 character
I have a REST service that reads a file and sends it to another console application after converting it to Byte array and then to Base64 string. This part works, but when the same stream is received at the application, it gets manipulated and is no longer a valid Base64 string. Some junk characters ...
Difference between .keystore file and .jks file
I have tried to find the difference between .keystore files and .jks files, yet I could not find it. I know jks is for "Java keystore" and both are a way to store key/value pairs.
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How to play with Control.Monad.Writer in haskell?
I'm new to functional programming and recently learning at Learn You a Haskell , but when I went through this chapter , I got stuck with the program below:
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JavaScript: How to pass object by value?
... properties added to o will be available from obj if they're not shadowed, and all objects that have o in the prototype chain will see the same updates to o.
Also, if obj has a property that references another object, like an Array, you'll need to be sure to shadow that object before adding members...
Which timestamp type should I choose in a PostgreSQL database?
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First off, PostgreSQL’s time handling and arithmetic is fantastic and Option 3 is fine in the general case. It is, however, an incomplete view of time and timezones and can be supplemented:
Store the name of a user’s time zone as a user preference (e....
How to declare or mark a Java method as deprecated?
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Use both @Deprecated annotation and the @deprecated JavaDoc tag.
The @deprecated JavaDoc tag is used for documentation purposes.
The @Deprecated annotation instructs the compiler that the method is deprecated. Here is what it says in Sun/Oracles document ...
Perform Segue programmatically and pass parameters to the destination view
...ue is triggered.
The prepareForSegue:sender: method is called in any case and this is where you pass your parameters across.
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Vim: Creating parent directories on save
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augroup BWCCreateDir
autocmd!
autocmd BufWritePre * if expand("<afile>")!~#'^\w\+:/' && !isdirectory(expand("%:h")) | execute "silent! !mkdir -p ".shellescape(expand('%:h'), 1) | redraw! | endif
augroup END
Note the conditions: expand("<afile>")!~#'^\w\+:/' wil...