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Most efficient conversion of ResultSet to JSON?
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The JIT Compiler is probably going to make this pretty fast since it's just branches and basic tests. You could probably make it more elegant with a HashMap lookup to a callback but I doubt it would be any faster. As to memory, this ...
Haskell, Lisp, and verbosity [closed]
...tually "aids in achieving agility" (as you said) because when your program compiles you can be almost certain that is correct, so this certainty lets you try out things you might be otherwise afraid to try -- there is a "dynamic" feel to programming although it's not the same as with Lisp.
[Note: ...
How to print a date in a regular format?
...print can be get using the str() function. It is most of the time the most common human readable format and is used to ease display. So str(datetime.datetime(2008, 11, 22, 19, 53, 42)) gives you '2008-11-22 19:53:42'.
The alternative representation that is used to represent the object nature (as a ...
Calculate relative time in C#
...our code is nice but could be clearer with constants (as suggested in Code Complete).
const int SECOND = 1;
const int MINUTE = 60 * SECOND;
const int HOUR = 60 * MINUTE;
const int DAY = 24 * HOUR;
const int MONTH = 30 * DAY;
var ts = new TimeSpan(DateTime.UtcNow.Ticks - yourDate.Ticks);
double del...
How to easily initialize a list of Tuples?
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No newline at end of file
...torically, it was a decision made by the C language standard stackoverflow.com/a/729725/233098 Practically, because many Unix tools require or expect it for proper display stackoverflow.com/a/729795/233098. Philosophically, because each line in a text file terminates with an "end-of-line" character-...
.toArray(new MyClass[0]) or .toArray(new MyClass[myList.size()])?
... blog post Arrays of Wisdom of the Ancients. To summarize: the JVM and JIT compiler contains several optimizations that enable it to cheaply create and initialize a new correctly sized array, and those optimizations can not be used if you create the array yourself.
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Does Java support default parameter values?
...tic factory methods instead of constructors) if the overloading is getting complicated. For other methods, renaming some cases or using a parameter object can help. This is when you have enough complexity that differentiating is difficult. A definite case is where you have to differentiate using the...
Generic TryParse
...se it depends on how often you will be doing Enum types as opposed to more complex types.
– Jesse Chisholm
Dec 4 '14 at 23:04
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Automatic Preferred Max Layout Width is not available on iOS versions prior to 8.0
...nes set to anything but 1 if your deployment target is set to 7.1. This is completely reproducible with new single-view project.
Steps to Reproduce:
Create a new single-view, objective-c project
Set the Deployment Target to 7.1
Open the project's storyboard
Drop a label onto the provided view co...