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How to remove all whitespace from a string?
...eneral, we want a solution that is vectorised, so here's a better test example:
whitespace <- " \t\n\r\v\f" # space, tab, newline,
# carriage return, vertical tab, form feed
x <- c(
" x y ", # spaces before, after and in between
" \u2190 \u2192 ", # ...
Mac zip compress without __MACOSX folder?
When I compress files with the built in zip compressor in Mac OSX, it results in an extra folder titled "__MACOSX" created in the extracted zip.
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How can I inject a property value into a Spring Bean which was configured using annotations?
I have a bunch of Spring beans which are picked up from the classpath via annotations, e.g.
18 Answers
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How to swap two variables in JavaScript
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Here's a one-liner to swap the values of two variables.
Given variables a and b:
b = [a, a = b][0];
Demonstration below:
var a=1,
b=2,
output=document.getElementById('output');
output.innerHTML="<p>Original: "+a+", "+b+"&lt...
Coding Practices which enable the compiler/optimizer to make a faster program
Many years ago, C compilers were not particularly smart. As a workaround K&R invented the register keyword, to hint to the compiler, that maybe it would be a good idea to keep this variable in an internal register. They also made the tertiary operator to help generate better code.
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How to convert nanoseconds to seconds using the TimeUnit enum?
...ution using java.time.Duration
Duration.ofNanos(1_000_000L).toSeconds()
https://docs.oracle.com/javase/9/docs/api/java/time/Duration.html#ofNanos-long-
https://docs.oracle.com/javase/9/docs/api/java/time/Duration.html#toSeconds--
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Limit File Search Scope in Sublime Text 2
In Sublime Text, I often use Cmd + P / Ctrl + P to search and jump between files.
12 Answers
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Limitations of Intel Assembly Syntax Compared to AT&T [closed]
To me, Intel syntax is much easier to read. If I go traipsing through assembly forest concentrating only on Intel syntax, will I miss anything? Is there any reason I would want to switch to AT&T (outside of being able to read others' AT&T assembly)? My first clue is that gdb uses AT&T by default.
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jQuery get mouse position within an element
I was hoping to craft a control where a user could click inside a div, then drag the mouse, then let up on the mouse in order to indicate how long they want something to be. (This is for a calendar control, so the user will be indicating the length, in time, of a certain event)
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