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How to check whether an object is a date?
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Wow isNaN can be used to check a Date. That's some PHP level of inanity.
– Nick
Nov 19 '19 at 21:04
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How JavaScript closures are garbage collected
...e expected behavior.
From Mozilla's Memory management page: "As of 2012, all modern browsers ship a mark-and-sweep garbage-collector." "Limitation: objects need to be made explicitly unreachable".
In your examples where it fails some is still reachable in the closure. I tried two ways to make it...
Python's many ways of string formatting — are the older ones (going to be) deprecated?
...ormatting syntax is more flexible and handles tuples and dictionaries naturally, it is recommended for new code. However, there are no current plans to deprecate printf-style formatting.
(Emphasis mine.)
This phrase was removed later, in commit Close #4966: revamp the sequence docs in order to be...
Current time formatting with Javascript
...ar min = d.getMinutes();
if (min < 10) {
min = "0" + min;
}
var ampm = "am";
if( hr > 12 ) {
hr -= 12;
ampm = "pm";
}
var date = d.getDate();
var month = months[d.getMonth()];
var year = d.getFullYear();
var x = document.getElementById("time");
x.innerHTML = day + " " ...
“[notice] child pid XXXX exit signal Segmentation fault (11)” in apache error.log [closed]
I am using Apache/PHP/MySQL stack.
Using as framework CakePHP.
3 Answers
3
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Delete all but the most recent X files in bash
...ports names with spaces:
(ls -t|head -n 5;ls)|sort|uniq -u|sed -e 's,.*,"&",g'|xargs rm
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How to decide font color in white or black depending on background color?
... Worked like a charm for me. Thank you very much! Did it in php though simply converting the syntax and functions.
– CezarBastos
Mar 23 '18 at 17:24
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SQL command to display history of queries
... at the query cache: http://www.databasejournal.com/features/mysql/article.php/3110171/MySQLs-Query-Cache.htm but it might not give you access to the actual queries and will be very hit-and-miss if it did work (subtle pun intended)
But MySQL Query Browser very likely maintains its own list of queri...
Should CSS always preceed Javascript?
...s inherent to mobile devices.
Code
Forgive the sloppiness – this was Q&D.
app.js
var express = require('express')
, app = express.createServer()
, fs = require('fs');
app.listen(90);
var file={};
fs.readdirSync('.').forEach(function(f) {
console.log(f)
file[f] = fs.readFileSync(f...
How to write header row with csv.DictWriter?
...ion "functionality", I'd prefer to code it myself; that way you can report ALL "extras" with the keys and values, not just the first extra key. What is a real nuisance with DictWriter is that if you've verified the keys yourself as each dict was being built, you need to remember to use extrasaction=...