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How to add a border just on the top side of a UIView
...ur subclass too, you can apply it to anything and everything that inherits from UIView - reusable in your project, and any others. Pass in other arguments to your methods to define other colours and widths. Many options.
sha...
C#: Abstract classes need to implement interfaces?
...'s mixins is another example. It allows you to mix partial implementations from many abstract classes into a single interface. Each abstract class only needs to implement the method it does want to implement. No dumb abstract method boilerplate getting in the way as is the case if i'm to recreate th...
Overload constructor for Scala's Case Classes?
...ce :) I was looking for something like fallback values in scala, is it new from 2.8 ? I didn't know :)
– Felix
Mar 10 '10 at 14:23
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Difference between passing array and array pointer into function in C
... an operand of either sizeof or &, so its type is implicitly converted from "10-element array of int" to "pointer to int" according to 6.2.3.1/3. Thus, foo will receive a pointer value, rather than an array value.
Because of 6.7.5.3/7, you can write foo as
void foo(int a[]) // or int a[10]
{...
Bash script processing limited number of commands in parallel
... shell would wait until those are completed before starting the next set.
From the GNU manual:
wait [jobspec or pid ...]
Wait until the child process specified by each process ID pid or job specification jobspec exits and return the exit status of the last
command waited for. If a job spe...
Split string based on a regular expression
I have the output of a command in tabular form. I'm parsing this output from a result file and storing it in a string. Each element in one row is separated by one or more whitespace characters, thus I'm using regular expressions to match 1 or more spaces and split it. However, a space is being inser...
vs vs for inline and block code snippets
... removed completely in 5? While not many tags have been completely removed from browsers - <blink> is one example - I would be anxious about using this for anything that needs to be future-proof.
– spacer GIF
Jun 19 '19 at 11:39
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How does setting baselineAligned to false improve performance in LinearLayout?
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The term baseline comes from typography. It's the invisible line letters in text sit on. en.wikipedia.org/wiki/Baseline_%28typography%29
– Zsolt Safrany
Sep 29 '12 at 12:26
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nil detection in Go
...
if reflect.ValueOf(v).IsZero() {
// v is zero, do something
}
Apart from basic types, it also works for Array, Chan, Func, Interface, Map, Ptr, Slice, UnsafePointer, and Struct. See this for reference.
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How do you list the active minor modes in emacs?
...ing its source code I realized that it gets the list of active minor modes from both minor-mode-list and minor-mode-alist. Using 3rd-party dash.el list manipulation library I came with this code:
(--filter (and (boundp it) (symbol-value it)) minor-mode-list)
So, for example, to disable all minor ...