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C# Events and Thread Safety
... delegate has 1000 entries. It's perfectly possible that the action at the start of the list will have executed before another thread unsubscribes a handler near the end of the list. However, that handler will still be executed because it'll be a new list. (Delegates are immutable.) As far as I can ...
Is it expensive to use try-catch blocks even if an exception is never thrown?
...duration;
do {
i = nextI;
long start = System.nanoTime();
run(i);
duration = System.nanoTime() - start;
nextI = (i << 1) | 1;
} while (duration < 100000000 && nextI > 0);
...
Do HTML WebSockets maintain an open connection for each client? Does this scale?
... be sent back and forth.
Typically, HTTP servers are configured to log the start and completion of every HTTP request taking up disk and CPU time. It will become standard to log the start and completion of WebSockets data, but while the WebSockets connection doing duplex transfer there won't be any ...
How to wrap async function calls into a sync function in Node.js or Javascript?
...n AnticipatedSyncFunction(){ var ret; setTimeout(function(){ var startdate = new Date() //console.log(startdate) ret = "hello" + startdate; },3000); while(ret === undefined) { require('deasync').runLoopOnce(); } return ret; } var output = AnticipatedSyncFunction(); ...
Why does CSS not support negative padding?
... is a case where the spec goes beyond telling me how to define my page and starts telling me how I should define my page. If I want my content to overlap my background edges, borders and/or margins, that should be my prerogative, the spec definers' imaginations of why I might want to do so notwiths...
Java SE 6 vs. JRE 1.6 vs. JDK 1.6 - What do these mean?
...a for development):
Java SE 7
Java SE v1.7.0
Java SE Development Kit 7
Starting with Java v1.5:
v5 = v1.5.
v6 = v1.6.
v7 = v1.7.
And we can assume this will remain for future versions.
Next, for developers, download JDK, not JRE.
JDK will contain JRE. If you need JDK and JRE, get JDK. Both...
Including Google Web Fonts link or import?
...
Google's own 'Getting Started' tutorial uses only the <link> method, so I guess that's the one they recommend in an unspoken fashion
– James Cushing
Oct 20 '15 at 13:34
...
Async image loading from url inside a UITableView cell - image changes to wrong image while scrollin
...); and
I used a class name that conforms to Cocoa naming conventions (i.e. start with the uppercase letter).
Even with these corrections, there are issues:
The above code is not caching the downloaded images. That means that if you scroll an image off screen and back on screen, the app may try ...
Overriding Binding in Guice
I've just started playing with Guice, and a use-case I can think of is that in a test I just want to override a single binding. I think I'd like to use the rest of the production level bindings to ensure everything is setup correctly and to avoid duplication.
...
Retrieve a Fragment from a ViewPager
...gt; 0) in the ViewPager, if the hosting Activity / Fragment is killed or restarted then the internal SpaseArray will be wiped out when the custom FragmentPagerActivity is recreated, but behind the scenes the ViewPagers internal fragments will be recreated, and getItem will NOT be called for any of t...