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Why is setTimeout(fn, 0) sometimes useful?
...drop-down list, ready to have its selected index updated, and
Your code to set the selected index
Your code was consistently winning this race and attempting to set drop-down selection before the browser was ready, meaning that the bug would appear.
This race existed because JavaScript has a sing...
Proper way to use AJAX Post in jquery to pass model from strongly typed MVC3 view
...01",
Country: "USA"
},
contentType: 'application/json; charset=utf-8',
success: function (data) {
alert(data.success);
},
error: function () {
alert("error");
}
});
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...
Can you have if-then-else logic in SQL? [duplicate]
...
this is not good solution... does not use inherent db set capabilities. i don't think it's correct either where there are multiple different products. actually - i think most knowledgeable in dbs would consider this a poor solution. this is exactly the type of thing that we t...
Ruby custom error classes: inheritance of the message attribute
...
raise already sets the message so you don't have to pass it to the constructor:
class MyCustomError < StandardError
attr_reader :object
def initialize(object)
@object = object
end
end
begin
raise MyCustomError.new("an obj...
How can I append a string to an existing field in MySQL?
...he CONCAT() function in MySQL for string concatenation:
UPDATE categories SET code = CONCAT(code, '_standard') WHERE id = 1;
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Assign width to half available screen width declaratively
...ther widget to take up the other half. The trick is using a LinearLayout, setting layout_width="fill_parent" on both widgets, and setting layout_weight to the same value on both widgets as well. If there are two widgets, both with the same weight, the LinearLayout will split the width between the ...
How do I get a list of all the duplicate items using pandas in python?
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With Pandas version 0.17, you can set 'keep = False' in the duplicated function to get all the duplicate items.
In [1]: import pandas as pd
In [2]: df = pd.DataFrame(['a','b','c','d','a','b'])
In [3]: df
Out[3]:
0
0 a
1 b
2 c
3 ...
Removing rounded corners from a element in Chrome/Webkit
...worked for me if you use border: 0 and add an outline like: outline: 1px inset black; outline-offset:-1px
– Filipe Pereira
Nov 5 '14 at 9:49
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Status bar and navigation bar appear over my view's bounds in iOS 7
... If your design uses opaque bars, refine edgesForExtendedLayout by
also setting the extendedLayoutIncludesOpaqueBars property to
NO. (The default value of extendedLayoutIncludesOpaqueBars is NO.)
automaticallyAdjustsScrollViewInsets
If you don’t want a scroll view’s content ...
Number of rows affected by an UPDATE in PL/SQL
...tatement which you need to find the affected row count for.
For example:
set serveroutput ON;
DECLARE
i NUMBER;
BEGIN
UPDATE employees
SET status = 'fired'
WHERE name LIKE '%Bloggs';
i := SQL%rowcount;
--note that assignment has to precede COMMIT
COMMIT;
...