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How to convert 1 to true or 0 to false upon model fetch
...d"]==="0"); // false
console.log(obj["isChecked"]==="Elephant"); // false
PHP
Same concept in PHP
$obj["isChecked"] = ($obj["isChecked"] == "1");
The same operator limitations as stated above for JavaScript apply.
Double Not
The 'double not' also works. It's confusing when people first read it but...
How to check if the string is empty?
...
s.strip() allocates a new string, which is pure waste. Use string.isspace()
– Clément
Jun 22 at 15:27
add a ...
Escaping HTML strings with jQuery
...ibutes, then you will also need to escape quotes and/or double quotes. The PHP documentation for htmlspecialchars contains a useful list of conversions that it performs. php.net/htmlspecialchars
– geofflee
Mar 24 '11 at 12:05
...
Append an object to a list in R in amortized constant time, O(1)?
... single operation occasionally takes much longer than normal (e.g. if a preallocated buffer is exhausted and occasionally requires resizing to a larger buffer size), as long as the long-term average performance is constant time, we'll still call it O(1).
For comparison, I will also describe "linear...
How expensive is RTTI?
...;typeid()
5) 14,261,000 Ticks (~23 Seconds) - typeid() with extra variable allocations.
So the conclusion would be:
For simple cast cases without optimisation typeid() is more than twice faster than dyncamic_cast.
On a modern machine the difference between the two is about 1 nanosecond (a milliont...
How can I randomize the lines in a file using standard tools on Red Hat Linux?
...to process (much, much longer than with shuf), no matter how much memory I allocated.
– mklement0
May 8 '15 at 23:00
1
...
What does `someObject.new` do in Java?
...
Think of new receiver as a single token. Kind of like a function name with a space in it.
Of course, the class KnockKnockServer does not literally have a function named new receiver, but I'm guessing the syntax is meant to suggest that. It's meant to look li...
Nginx reverse proxy causing 504 Gateway Timeout
...se fastcgi_read_timeout and proxy_read_timeout to make sure that nginx and php-fpm did not timeout.
To increase time limit for only one site then you can edit in vim /etc/nginx/sites-available/example.com
location ~ \.php$ {
include /etc/nginx/fastcgi_params;
fastcgi_pass unix:/va...
.Net HttpWebRequest.GetResponse() raises exception when http status code 400 (bad request) is return
...tringBuilder msg = new StringBuilder();
msg.AppendLine("POST /o/oauth2/token HTTP/1.1");
msg.AppendLine("Host: accounts.google.com");
msg.AppendLine("Content-Type: application/x-www-form-urlencoded");
msg.AppendLine("Content-Length: " + contentAsBytes.Length.ToString());
msg.Appe...
How is Docker different from a virtual machine?
...e same OS image).
A full virtualized system gets its own set of resources allocated to it, and does minimal sharing. You get more isolation, but it is much heavier (requires more resources). With Docker you get less isolation, but the containers are lightweight (require fewer resources). So you cou...