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How to generate unique ID with node.js
...coded any node/js in around 2 years and haven't tested this, but the basic idea should hold – don't use a busy loop, and use callbacks. You might want to have a look at the node async package.
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performSelector may cause a leak because its selector is unknown
... performSelector: and documents these methods as "inherently unsafe"
The idea of sending messages based on a named selector is not, however, an "inherently unsafe" feature. This idea has been used successfully for a long time in Objective-C as well as many other programming languages.
1 All Obj...
How can I convert JSON to CSV?
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Getting encoding error. Any idea how to add encoding to utf-8?
– Elad Tabak
Apr 7 '16 at 9:34
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Draw radius around a point in Google map
...rker, meaning a circle that behaves appropriately while zooming. I have no idea how to do that and it seems it's not something common.
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Why does C# disallow readonly local variables?
... and locals readonly, it would clutter the code significantly to do so.
An idea to partly alleviate this is to allow the combination readonly var on a local variable to be contracted to val or something short like that. More generally we could try to simply think of a shorter keyword than the establ...
Why is exception.printStackTrace() considered bad practice?
...cause the stack trace is filled when the exception is created itself.
The idea is to pass anything that goes to logs through a logger framework, so that the logging can be controlled. Hence instead of using printStackTrace, just use something like Logger.log(msg, exception);
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Easier way to create circle div than using an image?
...ing a question here on Stack Overflow, to see if anyone else has any other ideas.
– thirtydot
Jan 6 '12 at 15:57
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Examples of Algorithms which has O(1), O(n log n) and O(log n) complexities
... more concrete it's a little harder as the public in general would have no idea of the underlying implementation (Sparing open source of course) of a popular application, nor does the concept in general apply to an "application"
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Create a List of primitive int?
...s list, it is automatically boxed to Integer wrapper type. But it is a bad idea to use raw type lists, or for any generic type for that matter, in newer code.
I can add anything into this list.
Of course, that is the dis-advantage of using raw type. You can have Cat, Dog, Tiger, Dinosaur, all...
Collections.emptyMap() vs new HashMap()
...be modified by the service or method (which is usually a really bad design idea), passing in an immutable collection instead of the mutable one might be the reasonable and safe choice in many cases.
I think of it as "pass by value" convention.
More generally - it is a sensible practice to use an ...