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When to use an object instance variable versus passing an argument to the method
...s.
Here's an example:
myCircle = myDrawing.drawCircle(center, radius);
Now lets imaging the myDrawing class uses 15 helper functions to create the myCircle object and each of those functions will need the center and the radius. They should still not be set as instance variables of the myDrawing...
All falsey values in JavaScript
...nt zero (0n):
0n == false // true
-0n == false // true
So with this, we now have 7 "falsy" values in total (not including document.all as mentioned by user above since it's part of DOM and not JS).
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What is the “Execute Around” idiom?
... Java 7 added try-with-resource, and Java 8 added lambdas. I know this is an old question/answer but I wanted to point this out for anyone looking at this question five and a half years later. Both of these language tools will help solve the problem this pattern was invented to fix.
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How much overhead does SSL impose?
I know there's no single hard-and-fast answer, but is there a generic order-of-magnitude estimate approximation for the encryption overhead of SSL versus unencrypted socket communication? I'm talking only about the comm processing and wire time, not counting application-level processing.
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When to use the JavaScript MIME type application/javascript instead of text/javascript?
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@Pacerier - I know this comment is 5 years old, but today it is often best to include mime types, particularly for forum type websites, for security reasons. Having the receiver interpret the type leaves one open to attack by uploading a ma...
Setting Short Value Java
...le code in J2ME. I have a class with a method setTableId(Short tableId) . Now when I try to write setTableId(100) it gives compile time error. How can I set the short value without declaring another short variable?
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How to overload std::swap()
...ave to use a free function; they establish the protocol. Second, I don't know why you object to having two implementations, but most classes are doomed to being sorted inefficiently if you can't accept having a non-member swap. Overloading rules ensure that if both declarations are seen, the more ...
Using do block vs braces {}
...ctures (if, while, case, etc.)
The second, less-frequently seen style is known as semantic, or "Weirich Braces", proposed by the late, great rubyist Jim Weirich:
Use do end for procedural blocks
Use braces { } for functional blocks
This means that when the block is evaluated for its return valu...
How do I get the current GPS location programmatically in Android?
...n while you move, but if you want just one time, you need to call "getLastKnownLocation()"
– swiftBoy
May 6 '14 at 4:35
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How to write one new line in Bitbucket markdown?
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It's now possible to add a forced line break
with two blank spaces at the end of the line:
line1→→
line2
will be formatted as:
line1
line2
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