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Hidden Features of C#? [closed]
... makeHandler(1, 0);
Note the chaining: (dx, dy) => (sender, e) =>
Now that's why I'm happy to have taken the functional programming class :-)
Other than the pointers in C, I think it's the other fundamental thing you should learn :-)
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Site does not exist error for a2ensite
... pretty much everything... I will remember to add the .conf extension from now on...
– wtf8_decode
Mar 2 '15 at 17:53
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How useful/important is REST HATEOAS ( maturity level 3)?
...HOWEVER, billions of people experience the benefits of REST today. Do you know what the "checkout" URL is at Amazon? I don't. Yet, I can checkout every day. Has that URL changed? I dunno, I don't care.
Do you know does care? Anyone who's written a screen scraped Amazon automated client. Someone wh...
Converting a view to Bitmap without displaying it in Android?
...() instead of v.getLayoutParams().width and similar for height. Otherwise, now working.
– David Manpearl
Sep 3 '12 at 5:55
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Use cases for the 'setdefault' dict method
...or them:
headers = parse_headers( msg ) # parse the message, get a dict
# now add all the optional headers
for headername, defaultvalue in optional_headers:
headers.setdefault( headername, defaultvalue )
share
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Uppercase Booleans vs. Lowercase in PHP
...indulge in hating PHP (e.g. just see what Johrn mentioned above, I didn't know that for one), but given that it's basically case-insensitive, there is nothing strange in mixed-case expressions being the same. What is nonsense, however, that it mixes case-sensitivity and case-insensitivity with gene...
How to change the opacity (alpha, transparency) of an element in a canvas element after it has been
... figured out how to load the image and draw it to the canvas, but I don't know how to change its opacity once it as been drawn.
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Why is it bad practice to call System.gc()?
...n; any that rely on it for performance are most likely broken.
You don't know what sort of garbage collector you are running under. There are certainly some that do not "stop the world" as you assert, but some JVMs aren't that smart or for various reasons (perhaps they are on a phone?) don't do it...
Use email address as primary key?
...an't say that a proposed key is not unique based on hypotheticals without knowing the context. e.g. from the phone company's point of view, a telephone number uniquely identifies a customer, by definition. Yes, you can say, "But what if there are two or three people who might answer when you call th...
Why is subtracting these two times (in 1927) giving a strange result?
...uestions like this in Noda Time, in the form of unit tests... The test has now been changed, but it just goes to show - not even historical data is safe.
EDIT: History has changed again...
In TZDB 2014f, the time of the change has moved to 1900-12-31, and it's now a mere 343 second change (so the ...