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How can javascript upload a blob?
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Do you know how to do this without AJAX too?
– William Entriken
Aug 7 '13 at 2:05
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Namespace and class with the same name?
... fix that by fully qualifying the name:
class C { Foo.Foo foo; }
This now gives the ambiguity error “Foo in
Foo.Foo is ambiguous between Foo.Foo and Bar.Foo”. We still don’t know
what the first Foo refers to, and until we can figure that out, we
don’t even bother to try to figure out wh...
JavaScript OOP in NodeJS: how?
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Looks now deprecated. From answer link: Note: usage of util.inherits() is discouraged. Please use the ES6 class and extends keywords to get language level inheritance support. Also note that the two styles are semantically incompat...
Explaining difference between automaticallyAdjustsScrollViewInsets, extendedLayoutIncludesOpaqueBars
... the red background extends behind the navigation bar and the status bar.
Now, you are going to set that value to UIRectEdgeNone, so you are telling the view controller to not extend the view to cover the screen:
UIViewController *viewController = [[UIViewController alloc] init];
viewController.vi...
Synchronization vs Lock
...e running 1.5
consider j.u.c.ReentrantLock. Java
6's intrinsic locking is now
comparable.
j.u.c.Lock has different mechanisms
for locking. Lock interruptable -
attempt to lock until the locking
thread is interrupted; timed lock -
attempt to lock for a certain amount
of time and ...
Select multiple records based on list of Id's with linq
...Profile.Join(idList, up => up.ID, id => id, (up, id) => up);
And now result of my measurement. I generated 100 000 UserProfiles and 100 000 ids. Join took 32ms and .Where with .Contains took 2 minutes and 19 seconds! I used pure IEnumerable for this testing to prove my statement. If you us...
How does push notification technology work on Android?
...ts confirmed the client is polling along a tcp connection right ? do you know how often it polls for data ? is it every 5 seconds for example. or is it fast like a heartbeat ?
– j2emanue
Apr 10 '19 at 8:58
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When should I use std::thread::detach?
Sometime I have to use std::thread to speed up my application. I also know join() waits until a thread completes. This is easy to understand, but what's the difference between calling detach() and not calling it?
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Why is NaN not equal to NaN? [duplicate]
...e OS/language would support it in software; everyone was their own unique snowflake in handling floating-point. IEEE decided to explicitly handle it in software as the NaN values so it would be portable across any OS or programming language. Correct floating point algorithms are generally correct ac...
How can you debug a CORS request with cURL?
...ts CORS.
Rationale for alternative answer
I google this question every now and then and the accepted answer is never what I need. First it prints response body which is a lot of text. Adding --head outputs only headers. Second when testing S3 URLs we need to provide additional header -H "Access-...