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Generate all permutations of a list without adjacent equal elements
...e yy).
Generating all solutions
This is tobias_k's answer plus efficient tests to detect when the choice currently under consideration is globally constrained in some way. The asymptotic running time is optimal, since the overhead of generation is on the order of the length of the output. The wors...
Checking Bash exit status of several commands efficiently
...
You can write a function that launches and tests the command for you. Assume command1 and command2 are environment variables that have been set to a command.
function mytest {
"$@"
local status=$?
if (( status != 0 )); then
echo "error with $1" &g...
Can you split a stream into two streams?
...rayList<>(100000)),
(map, value) -> map.get(predicate.test(value)).add(value),
(map1, map2) -> {
map1.get(false).addAll(map2.get(false));
map1.get(true ).addAll(map2.get(true ));
});
In this example I initialize the Ar...
How to delete files older than X hours
...
Does your find have the -mmin option? That can let you test the number of mins since last modification:
find $LOCATION -name $REQUIRED_FILES -type f -mmin +360 -delete
Or maybe look at using tmpwatch to do the same job. phjr also recommended tmpreaper in the comments.
...
How to change the value of ${user} variable used in Eclipse templates
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The -Duser.namemust come after the -vmargs flag (tested with Eclipse Mars).
– Jan Chimiak
Mar 12 '16 at 16:58
2
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Convert camelCaseText to Sentence Case Text
...
The best string I've found for testing camel-case-to-title-case functions is this ridiculously nonsensical example, which tests a lot of edge cases. To the best of my knowledge, none of the previously posted functions handle this correctly:
ToGetYourGEDInT...
how can I see what ports mongo is listening on from mongo shell?
...neOpts()
{
"argv" : [
"./mongod",
"-replSet",
"test",
"--rest",
"--dbpath",
"/data/test/r1",
"--port",
"30001"
],
"parsed" : {
"dbpath" : "/data/test/r1",
"port" : 30001,
"replSet" : "test",
"...
How do I replace all line breaks in a string with elements?
...
Here is a test case compare to str.split("\n").join("<br />") jsperf.com/split-join-vs-replace-regex RegEx seems slightly faster
– Aley
Jan 30 '15 at 19:31
...
How to write a JSON file in C#?
...ere's a feature comparison between common serialisers as well as benchmark tests .
Below is a graph of performance taken from the linked article:
This separate post, states that:
Json.NET has always been memory efficient, streaming the reading and writing large documents rather than lo...
Pure JavaScript equivalent of jQuery's $.ready() - how to call a function when the page/DOM is ready
...tHandlersInstalled = true;
}
}
})("docReady", window);
The latest version of the code is shared publicly on GitHub at https://github.com/jfriend00/docReady
Usage:
// pass a function reference
docReady(fn);
// use an anonymous function
docReady(function() {
// code here
});
// p...