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JavaScript: filter() for Objects
...ts. In other words, it is a negative filter, where a positive return value means it is excluded from the result. If you look at the jsFiddle example, he's filtering out existing properties that are undefined.
– user113716
Aug 22 '11 at 13:09
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Drawable image on a canvas
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This will work with all kinds of drawables, not only bitmaps. And it also means that you can re-use that same drawable again if only the size changes.
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How are strings passed in .NET?
... counting out parameters), you've passed something by value.
So that must mean you're...passing a reference by value. Since it's a reference type, only the reference was copied onto the stack. But what does that mean?
Passing reference types by value: You're already doing it
C# variables are either...
performing HTTP requests with cURL (using PROXY)
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"-x, --proxy" means that either one can be used. The command should be either "curl -x 122.72.2.200:80 mysite.com/test.php?id=1" or "curl --proxy 122.72.2.200:80 mysite.com/test.php?id=1"
– IBBoard
De...
How do I import .sql files into SQLite 3?
...e client(name varchar(50),ipaddress varchar(15),id init) what's this error mean? I tried both methods >.read db.sql and sqlite3 DB.db < db.sql...Thanks
– webminal.org
Jan 12 '10 at 13:28
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What's the difference between MyISAM and InnoDB? [duplicate]
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What do you mean by MyISAM designed for need of speed vs. InnoDB designed for maximum performance when processing high volume of data? What is diskspace vs table space? Why is it that You can use MyISAM, if the table is more static with ...
java.lang.OutOfMemoryError: bitmap size exceeds VM budget - Android
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@Gix - I believe he means that he had to reduce the size of the images before bringing them into the project resources, thus lowering the memory footprint of the drawables. For this you should use the photo editor of your choice. I like pixlr.c...
Smart way to truncate long strings
...substr(0, n-1) + '&hellip;' : str;
};
If by 'more sophisticated' you mean truncating at the last word boundary of a string then you need an extra check.
First you clip the string to the desired length, next you clip the result of that to its last word boundary
function truncate( str, n, useW...
Error-Handling in Swift-Language
...any error occurred. Using this way you do not get the error object.
Which means that you can also combine try? with useful statements like:
if let dragon = try? summonDefaultDragon()
or
guard let dragon = try? summonDefaultDragon() else { ... }
Finally, you can decide that you know that error...
What does “dereferencing” a pointer mean?
...er for an allocated object...
{
std::unique_ptr<T> p{new T(42, "meaning")};
call_a_function(p);
// The function above might throw, so delete here is unreliable, but...
} // p's destructor's guaranteed to run "here", calling delete
...and shared_ptr for share ownership (using ref...