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Alternate output format for psql
I am using PostgreSQL 8.4 on Ubuntu. I have a table with columns c1 through cN . The columns are wide enough that selecting all columns causes a row of query results to wrap multiple times. Consequently, the output is hard to read.
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setState vs replaceState in React.js
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With setState the current and previous states are merged. With replaceState, it throws out th...
Performing Breadth First Search recursively
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Django Forms: if not valid, show form with error message
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edited Apr 15 at 14:19
melwil
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Getting the name of the currently executing method
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Thread.currentThread().getStackTrace() will usually contain the method you’re calling it fro...
Is there a short cut for going back to the beginning of a file by vi editor?
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After opening a file using vi
1) You can press Shift + g to go the end of the file
and
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What is RSS and VSZ in Linux memory management
... to 2500K of shared libraries, has 200K of stack/heap allocations of which 100K is actually in memory (rest is swapped or unused), and it has only actually loaded 1000K of the shared libraries and 400K of its own binary then:
RSS: 400K + 1000K + 100K = 1500K
VSZ: 500K + 2500K + 200K = 3200K
Since...
Can you attach a UIGestureRecognizer to multiple views?
... view2 are recognized. If I comment out the third line then taps on view1 are recognized. If I'm right and you can only use a gesture recognizer once, I'm not sure if this is a bug or it just needs some more documentation.
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What is the Invariant Culture?
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The invariant culture is a special culture which is useful because it will not change. The cur...
How to remove part of a string before a “:” in javascript?
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