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How using try catch for exception handling is best practice
...hat exception handling should never hide issues. This means that try-catch blocks should be extremely rare.
There are 3 circumstances where using a try-catch makes sense.
Always deal with known exceptions as low-down as you can. However, if you're expecting an exception it's usually better practi...
filtering NSArray into a new NSArray in Objective-C
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NSPredicate is dead, long live blocks! cf. my answer below.
– Clay Bridges
Oct 19 '11 at 23:09
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WaitAll vs WhenAll
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Task.WaitAll blocks the current thread until everything has completed.
Task.WhenAll returns a task which represents the action of waiting until everything has completed.
That means that from an async method, you can use:
await Task.Whe...
Can't update Macports (with Mac OS X Mavericks)
...oing a fresh installation of MacPorts from http://www.macports.org/install.php. Now I can run the selfupdate command without error and install other ports.
The error I were seeing was below, it seems the same problem as Yo Sophia has pointed out:
$ sudo port selfupdate
Password:
---> Updating ...
No increment operator (++) in Ruby? [duplicate]
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I don't think that notation is available because—unlike say PHP or C—everything in Ruby is an object.
Sure you could use $var=0; $var++ in PHP, but that's because it's a variable and not an object. Therefore, $var = new stdClass(); $var++ would probably throw an error.
I'm not a R...
text-overflow: ellipsis not working
...space: nowrap;
text-overflow: ellipsis;
width: 100px;
display: block;
overflow: hidden
}
body {
overflow: hidden;
}
span {
border: solid 2px blue;
white-space: nowrap;
text-overflow: ellipsis;
width: 100px;
display: block;
overflow: hidden
}
<spa...
Do asynchronous operations in ASP.NET MVC use a thread from ThreadPool on .NET 4
...ed on this thread. So if the processing inside this action is slow you are blocking this thread for the entire processing, so this thread cannot be reused to process other requests. At the end of the request execution, the thread is returned to the thread pool.
Now let's take an example of the asyn...
Cross-browser multi-line text overflow with ellipsis appended within a fixed width and height
...apt it to my case. I have various li and inside on of each one there is a .block and a .block h2 and I need to apply this to the h2 inside .block but I couldn't get it to work. Is it any diferent if there are more than one .block h2?
– Alex
Jan 31 '12 at 22:42
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Format bytes to kilobytes, megabytes, gigabytes
... return round($bytes, $precision) . ' ' . $units[$pow];
}
(Taken from php.net, there are many other examples there, but I like this one best :-)
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How create table only using tag and Css
...yletgo: Semantically, it'd be more appropriate to style the table cells as blocks than to try to make divs act like a table.
– cHao
Feb 27 '13 at 15:58
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