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How to get a key in a JavaScript object by its value?
...s[ prop ] === value )
return prop;
}
}
}
var test = {
key1: 42,
key2: 'foo'
};
test.getKeyByValue( 42 ); // returns 'key1'
One word of caution: Even if the above works, its generally a bad idea to extend any host or native object's .prototype. I did it here be...
Can you give a Django app a verbose name for use throughout the admin?
...default_app_config = 'appName.apps.AppNameConfig'
Is the best way to do. tested on Django 1.7
For the person who had problems with the Spanish
This code enable the utf-8 compatibility on python2 scripts
# -*- coding: utf-8 -*-
...
Django admin: how to sort by one of the custom list_display fields that has no database field
...
I haven't tested this out (I'd be interested to know if it works) but what about defining a custom manager for Customer which includes the number of orders aggregated, and then setting admin_order_field to that aggregate, ie
from djan...
Example of multipart/form-data
... -F "file1=@a.html" -F "file1=@a.txt" localhost:8000
You can do multiple tests with:
while true; do printf '' | nc -l localhost 8000; done
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Qt: can't find -lGL error
...g. libGL is already installed with Ubuntu, you just need to soft link it. (tested for ubuntu 14.x and 15.x, might work for later versions)
First locate the GL library
Then link it under /usr/lib
If the library is missing, it can be installed via libgl1-mesa-dev package
Here is how you could do t...
iPhone get SSID without private library
...1234567 01234567>;
}
Note that no ifs are supported on the simulator. Test on your device.
iOS 12
You must enable access wifi info from capabilities.
Important
To use this function in iOS 12 and later, enable the Access WiFi Information capability for your app in Xcode. When you enable ...
PyLint, PyChecker or PyFlakes? [closed]
...
Well, I am a bit curious, so I just tested the 3 myself right after asking the question ;-)
Ok, this is not a very serious review but here is what I can say :
I tried the tools with the default settings (it's important because you can pretty much choose your ...
Is there a way to pass optional parameters to a function?
... This appears to show how to use optional parameters, but not how to test if one is passed,which is what the OP is asking.
– Mawg says reinstate Monica
Mar 7 '16 at 10:38
4
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Unresolved external symbol on static class members
...st add the definitions to match your declarations of X and Y
unsigned char test::X;
unsigned char test::Y;
somewhere. You might want to also initialize a static member
unsigned char test::X = 4;
and again, you do that in the definition (usually in a CXX file) not in the declaration (which is ofte...
Why does changing the returned variable in a finally block not change the return value?
... see in the output s is indeed changed but after the return.
public class Test {
public String s;
public String foo() {
try {
s = "dev";
return s;
} finally {
s = "override variable s";
System.out.println("Entry in finally Block");
}
}
public static ...