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ImportError: Cannot import name X
...mportError to the other position of file, for example the end.
a.py
from test.b import b2
def a1():
print('a1')
b2()
b.py
from test.a import a1
def b1():
print('b1')
a1()
def b2():
print('b2')
if __name__ == '__main__':
b1()
You will get Import Error: ImportErro...
React.js - input losing focus when rerendering
...e problem is that I always start coding everything at one place to quickly test and later break it all into separate modules.
But, here this strategy backfires because updating the state on input change triggers render function and the focus is lost.
Fix is simple, do the modularization from the be...
Calculating sum of repeated elements in AngularJS ng-repeat
...unction ($scope) {
$scope.items = [
{"id": 1,"details": "test11","quantity": 2,"price": 100},
{"id": 2,"details": "test12","quantity": 5,"price": 120},
{"id": 3,"details": "test3","quantity": 6,"price": 170},
{"id": 4,"details": "test4","quantity": ...
Can I use Twitter Bootstrap and jQuery UI at the same time?
... would suggest you take the bootstrap v2 and jquery ui and create an empty test page to verify that it's not your code. I haven't had a problem since the new version
– Eonasdan
May 12 '12 at 19:47
...
Disable firefox same origin policy
...extension that adds the CORS headers to any HTTP response working on the latest Firefox (build 36.0.1) released March 5, 2015.
I tested it and it's working on both Windows 7 and Mavericks. I'll guide you throught the steps to get it working.
1) Getting the extension
You can either download the xpi...
What is a lambda (function)?
...an primitive type.
Predicate<Integer> pred = x -> x % 2 == 0; // Tests if the parameter is even.
boolean result = pred.test(4); // true
Lua
adder = function(x)
return function(y)
return x + y
end
end
add5 = adder(5)
add5(1) == 6 -- true
Kotlin
val pred = { x: I...
How to best display in Terminal a MySQL SELECT returning too many fields?
...-+------------+-----------------+------------+------------+-
| % | test | | Y | Y | Y | Y | Y | Y | N | Y | Y | Y |
| % | test\_% | | Y | Y ...
The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead [dupl
... currently depends upon ext/mysql.
It would be wise to perform regression testing: you really shouldn't be changing anything (especially upgrading PHP) until you have identified all of the potential areas of impact, planned around each of them and then thoroughly tested your solution in a staging e...
How to exit if a command failed?
...e. With that, any command that fails (outside of specific contexts like if tests) will cause the script to abort. For certain scripts, it's very useful.
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Can't launch my app in Instruments: At least one target failed to launch
...em. Profiling your app with debug configuration is not a valid performance test as the compiler has not optimized the code like it does for Adhoc. Has anyone figure out the AdHoc issue?
– Fergal Rooney
May 30 '14 at 16:56
...