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Iterate over a Javascript associative array in sorted order
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IE7 is at 0.5% and IE8 is at 8% as of now, fortunately.
– molnarg
Jul 10 '13 at 12:06
3
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Rails Admin vs. ActiveAdmin [closed]
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I understand now that RailsAdmin is an automatic admin UI, while ActiveAdmin is an admin scaffold. I love ActiveAdmin's flexibility because of this approach, but it's missing RailsAdmin's model and association detection, and the awesome a...
How can we access context of an application in Robolectric?
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For the latest Robolectric 4.3 as of right now in 2019 `
ShadowApplication.getInstance()
` and
Roboletric.application
are both depricated. So I am using
Context context = RuntimeEnvironment.systemContext;
to get Context.
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Add Foreign Key to existing table
...d an index to it..
ALTER TABLE users ADD INDEX index_name (index_column)
Now add the constraint
ALTER TABLE foreign_key_table
ADD CONSTRAINT foreign_key_name FOREIGN KEY (foreign_key_column)
REFERENCES primary_key_table (primary_key_column) ON DELETE NO ACTION
ON UPDATE CASCADE;
Note if you d...
How can I decrease the size of Ratingbar?
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The original link I posted is now broken (there's a good reason why posting links only is not the best way to go). You have to style the RatingBar with either ratingBarStyleSmall or a custom style inheriting from Widget.Material.RatingBar.Small (assuming ...
Null check in an enhanced for loop
...mpty list won't fail.
If you get this list from somewhere else and don't know if it is ok or not you could create a utility method and use it like this:
for( Object o : safe( list ) ) {
// do whatever
}
And of course safe would be:
public static List safe( List other ) {
return other =...
How to print a dictionary's key?
...orked beautifully for me in Python 2.7, what's the alternative in Py3k? I know .iteritems() is no longer supported...
– piperchester
Mar 27 '13 at 21:18
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List to array conversion to use ravel() function
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create a new variable "a" as: a=[]
then assign the list to "a" as: a=b
now "a" has all the components of list "b" in array.
so you have successfully converted list to array.
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Android adb “Unable to open sync connection!”
...gt; Applications > Development > USB debugging
And everything works now on Eclipse and Mac OS X 10.7.3.
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Why is [1,2] + [3,4] = “1,23,4” in JavaScript?
..., 4]);
// or legacy:
Array.prototype.push.apply(data, [3, 4]);
// data is now [1, 2, 3, 4]
The behaviour of the + operator is defined in ECMA-262 5e Section 11.6.1:
11.6.1 The Addition operator ( + )
The addition operator either performs string concatenation or numeric addition. The pr...