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Detecting an “invalid date” Date instance in JavaScript
...a date
}
Update [2018-05-31]: If you are not concerned with Date objects from other JS contexts (external windows, frames, or iframes), this simpler form may be preferred:
function isValidDate(d) {
return d instanceof Date && !isNaN(d);
}
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Maven and adding JARs to system scope
...lly downloaded by maven
In either case, remove the <systemPath> tag from the dependency
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try {} without catch {} possible in JavaScript?
...ut the catch (e) {}, the exception thrown by func1() would prevent func2() from being tried.
– binki
Apr 2 '14 at 21:52
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Are there constants in JavaScript?
... also use const constants instead of var constants to prevent the variable from being reassigned.
– Jarett Millard
Apr 26 '17 at 21:04
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How to remove “index.php” in codeigniter's path
...;--- replace None with All
Order allow,deny
allow from all
</Directory>
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java: ArrayList - how can i check if an index exists?
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@SSpoke ... While I agree, try/catch is far from 'a good' answer; it will address the problem when the list is sparse. I prefer the suggestion to use an array: Object[] ary; below or a hash.
– will
Nov 4 '14 at 2:16
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How to add extension methods to Enums
...eek, Month };
static class DurationExtensions
{
public static DateTime From(this Duration duration, DateTime dateTime)
{
switch (duration)
{
case Day: return dateTime.AddDays(1);
case Week: return dateTime.AddDays(7);
case Month: return dateTime.AddMonths(1);
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Run cron job only if it isn't already running
...; where wrapping the first letter of your command in brackets excludes it from the grep results.
– Jim Clouse
Feb 5 '13 at 19:01
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Redis: Show database size/size for keys
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The solution from the comments deserves it's own answer:
redis-cli --bigkeys
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How do I load my script into the node.js REPL?
... " (note the space) into the REPL and drag/drop the file into the Terminal from the Finder to add the correct path to your command. This is handy if the files you're working with are several levels down.
– jamesnotjim
Jun 5 '19 at 16:00
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