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Appending an element to the end of a list in Scala
... It is O(n) because you have to traverse the list entirely in order to reach the last element pointer and be able to append the element making the last element pointer point to it.
– pisaruk
Sep 13 '13 at 1:56
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Git log to get commits only for a specific branch
...ommits, if mybranch is based on myotherbranch, itself based on master.
In order to find that reference (the origin of your branch), you can only parse commits and see in which branch they are, as seen in:
"Git: Finding what branch a commit came from".
"How can I see what branch another branch was...
Grep only the first match and stop
...u can pipe grep result to head in conjunction with stdbuf.
Note, that in order to ensure stopping after Nth match, you need to using stdbuf to make sure grep don't buffer its output:
stdbuf -oL grep -rl 'pattern' * | head -n1
stdbuf -oL grep -o -a -m 1 -h -r "Pulsanti Operietur" /path/to/dir | he...
How to automatically generate N “distinct” colors?
...ive Green
};
the following is the unsorted kelly colors according to the order above.
the following is the sorted kelly colors according to hues (note that some yellows are not very contrasting)
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Version of SQLite used in Android?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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How can I set the focus (and display the keyboard) on my EditText programmatically
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I had to do this in order to get it showing up in onResume(). Without the delay, nothing would happen using every single solution described in this thread.
– FranticRock
Dec 13 '16 at 18:17
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Create Generic method constraining T to an Enum
...write a HasAnyFlags<T>(this T it, T other) extension method that was orders of magnitude faster than Enum.HasFlag(Enum) and which type-checked its arguments.
– supercat
Apr 12 '13 at 16:27
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When and why will a compiler initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete?
...ack memory with 0xCC. It also inserts a space between every stack frame in order to detect buffer overflows. A very simple example of where this is useful is here (in practice Visual Studio would spot this problem and issue a warning):
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bool error; // uninitialised value
if(something)
{...
Get type of a generic parameter in Java with reflection
...our generics.
Line 6 gets the array of types mapped into our generics, in order as declared in the class code. For this example we pull out the first parameter. This comes back as a Type.
Line 2 casts the final Type returned to a Class. This is safe because we know what types our generic type p...
How to pad zeroes to a string?
...mat strings: '{:03d} {:03d}'.format(1, 2) implicitly assigns the values in order.
– Dragon
Jul 8 '16 at 11:32
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