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Why {} + {} is NaN only on the client side? Why not in Node.js?
While [] + [] is an empty string, [] + {} is "[object Object]" , and {} + [] is 0 . Why is {} + {} NaN?
1 Answer
...
Django TemplateDoesNotExist?
... ],
},
},
]
You need to add to 'DIRS' the string
"os.path.join(SETTINGS_PATH, 'templates')"
So altogether you need:
TEMPLATES = [
{
'BACKEND': 'django.template.backends.django.DjangoTemplates',
'DIRS': [os.path.join(SETTINGS_PATH, 'templates'...
Which is the first integer that an IEEE 754 float is incapable of representing exactly?
...f... the number it represents is actually 1.abcdef... × 2^e, providing an extra implicit bit of precision.
Therefore, the first integer that cannot be accurately represented and will be rounded is:
For float, 16,777,217 (224 + 1).
For double, 9,007,199,254,740,993 (253 + 1).
>>> 9007199...
How do I connect to this localhost from another computer on the same network?
...osts.conf file. On XAMP, you can find this file here: C:\xampp\apache\conf\extra\httpd-vhosts.conf. On MAMP, you can find this file here: Applications/MAMP/conf/apache/extra/httpd-vhosts.conf. This step prepares the Web server on your computer for handling symfony.local requests. You need to provide...
Is SHA-1 secure for password storage?
... that cost N once and can thereafter attack many passwords with very small extra cost per password.
If the pre-computed table is a rainbow table, then N can be somewhat bigger, because storage cost is reduced. The bottleneck on N becomes the CPU power that the attacker can muster, not the size of hi...
How to write logs in text file when using java.util.logging.Logger
...
Try this sample. It works for me.
public static void main(String[] args) {
Logger logger = Logger.getLogger("MyLog");
FileHandler fh;
try {
// This block configure the logger with handler and formatter
fh = new FileHandler("C:/temp/test/MyLog...
How to redirect cin and cout to files?
...rks fine.
#include <iostream>
#include <fstream>
#include <string>
void f()
{
std::string line;
while(std::getline(std::cin, line)) //input from the file in.txt
{
std::cout << line << "\n"; //output to the file out.txt
}
}
int main()
{
s...
What is the difference between is_a and instanceof?
... versions >= 5.3.9 now accept an optional third boolean argument $allow_string (defaults to false) to allow comparisons of string class names instead:
class MyBaseClass {}
class MyExtendingClass extends MyBaseClass {}
// Original behavior, evaluates to false.
is_a(MyExtendingClass::class, MyBas...
Size-limited queue that holds last N elements in Java
... of these limited-size queues, like that: Map<Long, LimitedSizeQueue<String>>.
– GreyCat
Apr 15 '11 at 10:52
...
Disable cache for some images
...ls like a hack but is fairly portable is to add a randomly generated query string to each request for the dynamic image.
So, for example -
<img src="image.png" />
Would become
<img src="image.png?dummy=8484744" />
Or
<img src="image.png?dummy=371662" />
From the point of ...