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Use of “global” keyword in Python
... call last):
File "file.py", line 9, in <module>
print(me)
NameError: name 'me' is not defined
While if you use the global statement, the variable will become available "outside" the scope of the function, effectively becoming a global variable.
def bob():
global me
me = "loca...
NodeJS require a global module/package
...ckage required by old npm
if (!fs.existsSync(packageDir))
throw new Error('Cannot find global module \'' + packageName + '\'');
var packageMeta = JSON.parse(fs.readFileSync(path.join(packageDir, 'package.json')).toString());
var main = path.join(packageDir, packageMeta.main);
return r...
Replace a value if null or undefined in JavaScript
...
if i is undefined, this will throw an error. seems useless to me thus.. (?)
– phil294
Apr 28 '18 at 3:01
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How do I lowercase a string in Python?
...hat the decode('utf-8') is not only unnecessary in Python 3, but causes an error. (ref). Example: $python3; >>>s='Километр'; >>>print (s.lower); #result: километр >>>s.decode('utf-8').lower(); #result: ...AttributeError: 'str' object has no attr...
How do I download a file over HTTP using Python?
....decode('utf-8')
This is the most basic way to use the library, minus any error handling. You can also do more complex stuff such as changing headers.
On Python 2, the method is in urllib2:
import urllib2
response = urllib2.urlopen('http://www.example.com/')
html = response.read()
...
How to Test a Concern in Rails
...
This doesn't work. It gives me the error: undefined method 'full_name' for #<struct first_name="Stewart", last_name="Home">
– Kyle Decot
May 13 '13 at 18:29
...
How to get a file or blob from an object URL?
...s pointing to. I'm using fetch api in the browser, which is giving me this error – Refused to connect to 'blob:https://twitter.com/9e00aec3-6729-42fb-b5a7-01f50be302fa' because it violates the following Content Security Policy directive: "connect-src . Could you have a hint what might I might be d...
How to verify that a specific method was not called using Mockito?
...he test writer explicitly remembering to list out these checks: that's too error prone in my book.
– David Lavender
May 31 '16 at 15:55
2
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How do you disable browser Autocomplete on web form field / input tag?
...d/or password info into inappropriate form fields, causing form validation errors, or worse yet, accidentally inserting usernames into fields that were intentionally left blank by the user.
What's a web developer to do?
If you can keep all password fields on a page by themselves, that's a great s...
In mongoDb, how do you remove an array element by its index?
...tch(err => { res.status(500).send({ accion: 'deletePregunta', message: 'error en la base de datos ' + err }); });
}
I can rewrite this answer if it dont understand very well, but I think is okay.
Hope this help you, I lost a lot of time facing this issue.
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