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Get the first key name of a javascript object [duplicate]
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You can query the content of an object, per its array position.For instance:
let obj = {plainKey: 'plain value'};
let firstKey = Object.keys(obj)[0]; // "plainKey"
let firstValue = Object.values(obj)[0]; // "plain value"
/* or */
let [key, value] = Object.entries(...
Get the (last part of) current directory name in C#
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It's a params array, so .TrimEnd(Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar) works too.
– Kyle Delaney
Jul 16 '17 at 18:45
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How to force garbage collector to run?
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Say you had an array of weak references and wanted to check if any 'live' references existed. It would make sense to call GC.Collect() before checking. Just saying.
– Rich Ehmer
Apr 10 '14 at 15:10
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Any way to replace characters on Swift String?
...paration characters, you can use components() to break the string into and array, and then you can use the join() function to put them back to together with a specified separator.
let toArray = aString.components(separatedBy: " ")
let backToString = toArray.joined(separator: "+")
Or if you're loo...
How is the fork/join framework better than a thread pool?
...unt of workload is pretty perfectly predictable from the unit's size (e.g. array length) so upfront splitting is easy. Stealing would certainly make difference in problems where the amount of workload per unit is not well predictable from the unit's size.
– Joonas Pulakka
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How to split a string with any whitespace chars as delimiters
...d need I to pass to java.lang.String.split() to split a String into an Array of substrings using all whitespace characters ( ' ' , '\t' , '\n' , etc.) as delimiters?
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Union of dict objects in Python [duplicate]
...e looking for? Browse other questions tagged python dictionary associative-array idioms set-operations or ask your own question.
Pass parameters in setInterval function
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So why pass the arguments as arrays? This detail doesn’t even relate to the question.
– user4642212
Feb 24 '18 at 1:49
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In Mongoose, how do I sort by date? (node.js)
...Post.find().sort('-posted').find(function (err, posts) {
// user posts array
});
You can send any standard parameters you need to find() (e.g. where clauses and return fields) but no callback. Without a callback it returns a Query object which you chain sort() on. You need to call find() again...
Multi-line strings in PHP
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Example. while($rc=mysql_fetch_array($adviews)) { $xml.="<set name='".$rc["date"]."' value='1' hoverText='".$rc["date"]."'/>"; } $xml.="</graph>";
– TheBlackBenzKid
Mar 16 '12 at 20:43
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