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Interface defining a constructor signature?
...ult in Google some 7 years later, I thought I would chip in here - specifically to show how you could use an abstract base class in tandem with your existing Interface and maybe cut down on the amount of refactoring needed in the future for similar situations. This concept has already been hinted a...
regex.test V.S. string.match to know if a string matches a regular expression
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@AlexShilman indexOf is faster (but not much) than test according to this stackoverflow.com/questions/183496/… (you'd expect it to be faster).
– podperson
Jul 21 '16 at 20:51
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How to pretty print XML from Java?
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Back in 2008 this was a good answer, but now this can all be done with standard JDK classes rather than Apache classes. See xerces.apache.org/xerces2-j/faq-general.html#faq-6. Yes this is a Xerces FAQ but the answer covers standard JDK classes. The initial 1.5 implementation of ...
How to return result of a SELECT inside a function in PostgreSQL?
... -- potential ambiguity
END
$func$ LANGUAGE plpgsql;
Call:
SELECT * FROM word_frequency(123);
Explanation:
It is much more practical to explicitly define the return type than simply declaring it as record. This way you don't have to provide a column definition list with eve...
How to make vim paste from (and copy to) system's clipboard?
...ent working file. It so happens I have to either open gedit or type it manually.
31 Answers
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String variable interpolation Java [duplicate]
...s also java.text.MessageFormat with the benefit of having numeric argument indexes.
Appending the 1st example from the documentation
int planet = 7;
String event = "a disturbance in the Force";
String result = MessageFormat.format(
"At {1,time} on {1,date}, there was {2} on planet {0,number,i...
Cleaner way to do a null check in C#? [duplicate]
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Is this really considered cleaner?
– ClassicThunder
Jul 16 '13 at 13:35
23
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How do you plot bar charts in gnuplot?
...e neat gnuplot tricks:
Gnuplot has psuedo-columns that can be used as the index to color:
plot 'data.dat' using 1:2:0 with boxes lc variable
Further you can use a function to pick the colors you want:
mycolor(x) = ((x*11244898) + 2851770)
plot 'data.dat' using 1:2:(mycolor($0)) with boxes lc ...
Difference between MEAN.js and MEAN.io
... that there are two different stacks with either their own website and installation methods: mean.js and mean.io. So I came up asking myself this question: "Which one do I use?".
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How to convert a Drawable to a Bitmap?
I would like to set a certain Drawable as the device's wallpaper, but all wallpaper functions accept Bitmap s only. I cannot use WallpaperManager because I'm pre 2.1.
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