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How do I determine if my python shell is executing in 32bit or 64bit?
...fffffff', True)
sys.maxsize was introduced in Python 2.6. If you need a test for older systems, this slightly more complicated test should work on all Python 2 and 3 releases:
$ python-32 -c 'import struct;print( 8 * struct.calcsize("P"))'
32
$ python-64 -c 'import struct;print( 8 * struct.calcs...
How to handle anchor hash linking in AngularJS
... you to any element with the id found in $location.hash()
app.controller('TestCtrl', function($scope, $location, $anchorScroll) {
$scope.scrollTo = function(id) {
$location.hash(id);
$anchorScroll();
}
});
<a ng-click="scrollTo('foo')">Foo</a>
<div id="foo">Her...
Is it possible to decompile a compiled .pyc file into a .py file?
... recent tool, aiming to unify earlier forks and focusing on automated unit testing. The GitHub page has more details.
if you use Python 3.7+, you could also try decompile3, a fork of Uncompyle6 focusing on 3.7 and higher.
do raise GitHub issues on these projects if needed - both run unit test suit...
brew install mysql on macOS
...
Note the second: a commenter says step 2 is not required. I don't want to test it, so YMMV!
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Swift: Testing optionals for nil
...I have this weird situation where I cannot figure out how to appropriately test for optionals.
14 Answers
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How to “test” NoneType in python?
... None in it or not.
Quoting from is docs,
The operators is and is not test for object identity: x is y is true if and only if x and y are the same object. x is not y yields the inverse truth value.
Since there can be only one instance of None, is would be the preferred way to check None.
H...
typeof for RegExp
...
Also, t instanceof RegExp will report false when testing a regular expression object from another window, which won't be a problem if this kind of check is not required, but is something to be aware of.
– Tim Down
Dec 3 '10 at 10:49
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How to print to stderr in Python?
... used in the same way as the standard print function:
>>> print("Test")
Test
>>> eprint("Test")
Test
>>> eprint("foo", "bar", "baz", sep="---")
foo---bar---baz
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Android Min SDK Version vs. Target SDK Version
... able to run on older versions (down to minSdkVersion), but was explicitly tested to work with the version specified here. Specifying this target version allows the platform to disable compatibility settings that are not required for the target version (which may otherwise be turned on in order to m...
How does the “final” keyword in Java work? (I can still modify an object.)
...ance variables.
import java.util.ArrayList;
import java.util.List;
class Test {
private final List foo;
public Test() {
foo = new ArrayList();
foo.add("foo"); // Modification-1
}
public void setFoo(List foo) {
//this.foo = foo; Results in compile time error...