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What is the (function() { } )() construct in JavaScript?
... last one 31.new' is invalid syntax
– cat
Mar 1 '16 at 2:39
9
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How can I randomize the lines in a file using standard tools on Red Hat Linux?
...rocess (much, much longer than with shuf), no matter how much memory I allocated.
– mklement0
May 8 '15 at 23:00
1
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Using forked package import in Go
...git
upload your changes to your repo: git push myfork
http://blog.campoy.cat/2014/03/github-and-go-forking-pull-requests-and.html
To use a package in your project
https://github.com/golang/go/wiki/PackageManagementTools
...
Single vs double quotes in JSON
...
And I spoke too soon. Apparently it's more complicated than that.
– isaaclw
Dec 13 '12 at 22:45
6
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How was the first compiler written?
...ritten by hand. Those assemblers could then be used to assemble more complicated assemblers, which could then be use to assemble compilers written for higher-level languages, and so on. This process of iteratively writing the tools to simplify the creation of the next set of tools is called (as ment...
How do I extract the contents of an rpm?
...cpio arguments are
-i = extract
-d = make directories
-m = preserve modification time
-v = verbose
I found the answer over here: lontar's answer
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C# Sortable collection which allows duplicate keys
...omparer e.g. with SortedLists or SortedDictionaries, that don't allow duplicate keys
/// </summary>
/// <typeparam name="TKey"></typeparam>
public class DuplicateKeyComparer<TKey>
:
IComparer<TKey> where TKey : IComparable
{
#region ICom...
To find whether a column exists in data frame or not
...eck is "d", you can use the %in% operator:
if("d" %in% colnames(dat))
{
cat("Yep, it's in there!\n");
}
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How to decode Unicode escape sequences like “\u00ed” to proper UTF-8 encoded characters?
...\ude38';
$str2 = '\u0063\u0061\u0074'.'\ud83d';
// U+1F638
var_dump(
"cat\xF0\x9F\x98\xB8" === escape_sequence_decode($str),
"cat\xEF\xBF\xBD" === escape_sequence_decode($str2)
);
function escape_sequence_decode($str) {
// [U+D800 - U+DBFF][U+DC00 - U+DFFF]|[U+0000 - U+FFFF]
$rege...
How do I spool to a CSV formatted file using SQLPLUS?
...
This would be a lot less tedious than typing out all of the fields and concatenating them with the commas. You could follow up with a simple sed script to remove whitespace that appears before a comma, if you wanted.
Something like this might work...(my sed skills are very rusty, so this will lik...