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PostgreSQL ERROR: canceling statement due to conflict with recovery
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edited Jan 30 '13 at 8:20
answered Jan 29 '13 at 23:51
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What is the right way to override a setter method in Ruby on Rails?
I am using Ruby on Rails 3.2.2 and I would like to know if the following is a "proper"/"correct"/"sure" way to override a setter method for a my class attribute.
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How to see the changes in a Git commit?
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2076
To see the diff for a particular COMMIT hash:
git diff COMMIT~ COMMIT will show you the dif...
What does %s mean in a python format string?
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205
It is a string formatting syntax (which it borrows from C).
Please see "PyFormat":
Python...
How to get the first item from an associative PHP array?
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293
reset() gives you the first value of the array if you have an element inside the array:
$valu...
React.js: onChange event for contentEditable
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edited May 23 '17 at 11:54
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111 silver badge
answered Mar 27 '14 at 4:46
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How do I add files without dots in them (all extension-less files) to the gitignore file?
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121
You can try a combination similar to:
*
!/**/
!*.*
That gitignore exclusion rule (a negated ...
What size should TabBar images be?
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30x30 is points, which means 30px @1x, 60px @2x, not somewhere in-between. Also, it's not a great idea to embed the title of the tab into the image—you're going to have pretty poor accessibility and localization results like that.
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Wrapping synchronous code into asynchronous call
...the cache state and parameters that user provides. Each call takes about 1-2 seconds to complete. The method itself is synchronous call to the service and there is no possibility to override the implementation.
So the synchronous call to the service looks something like the following:
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IE7 Z-Index Layering Issues
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Z-index is not an absolute measurement. It is possible for an element with z-index: 1000 to be...