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How does setting baselineAligned to false improve performance in LinearLayout?
I was just building some UI in xml, and Lint gave me a warning and said to set android:baselineAligned to false to improve performance in ListView.
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Unique constraint on multiple columns
How do I add a unique constraint for columns fcode, scode, dcode with t-sql and/or management studio ? fcode, scode, dcode must be unique together.
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Should I commit or rollback a read transaction?
...ppers might consider a rollback in an inner transaction as an sign that an error has occured and rollback everything in the outmost transaction, regardless whether the outmost transaction commited or rolled back.
So a COMMIT is the safe way, when you cannot rule out that your component is used by s...
change type of input field with jQuery
...er's security model.
Edit: indeed, testing right now in Safari, I get the error type property cannot be changed.
Edit 2: that seems to be an error straight out of jQuery. Using the following straight DOM code works just fine:
var pass = document.createElement('input');
pass.type = 'password';
doc...
How can I dynamically add a directive in AngularJS?
...he original directive in order to prevent Maximum call stack size exceeded error.
– SRachamim
Mar 26 '14 at 13:27
Hi, ...
Using the RUN instruction in a Dockerfile with 'source' does not work
I have a Dockerfile that I am putting together to install a vanilla python environment (into which I will be installing an app, but at a later date).
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How to get a float result by dividing two integer values using T-SQL?
...understand that CASTing to FLOAT is not allowed in MySQL and will raise an error when you attempt to CAST(1 AS float) as stated at MySQL dev.
The workaround to this is a simple one. Just do
(1 + 0.0)
Then use ROUND to achieve a specific number of decimal places like
ROUND((1+0.0)/(2+0.0), 3)
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Environment variables in Mac OS X
Update: The link below does not have a complete answer . Having to set the path or variable in two places (one for GUI and one for shell) is lame.
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MySQL: Insert record if not exists in table
...-----+
And so on...
Update:
To prevent #1060 - Duplicate column name error in case two values may equal, you must name the columns of the inner SELECT:
INSERT INTO table_listnames (name, address, tele)
SELECT * FROM (SELECT 'Unknown' AS name, 'Unknown' AS address, '022' AS tele) AS tmp
WHERE ...
Is there a JavaScript / jQuery DOM change listener?
Essentially I want to have a script execute when the contents of a DIV change. Since the scripts are separate (content script in the Chrome extension & webpage script), I need a way simply observe changes in DOM state. I could set up polling but that seems sloppy.
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