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Stop UIWebView from “bouncing” vertically?
Does anyone know how to stop a UIWebView from bouncing vertically? I mean when a user touches their iphone screen, drags their finger downwards, and the webview shows a blank spot above the web page I had loaded?
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How to understand Locality Sensitive Hashing?
...s between the two points will give the two data different bit value.
Now we look at the signature of the two data points. As in the example, we use only 6 bits(squares) to represent each data. This is the LSH hash for the original data we have.
The hamming distance between the two hashed value...
What is getattr() exactly and how do I use it?
...here getattr can be useful.
you can't write object.x, because you don't know in advance which attribute you want (it comes from a string). Very useful for meta-programming.
you want to provide a default value. object.y will raise an AttributeError if there's no y. But getattr(object, 'y', 5) will...
Git cherry pick vs rebase
...nt" could contain several dozens of commits on top of its original base.)
Now git rebase is told to rebase "experiment" onto the current tip of "master", and git rebase goes like this:
Runs git merge-base to see what's the last commit shared by both "experiment" and "master" (what's the point of ...
console.log timestamps in Chrome?
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As @Krzysztof Wolny pointed out, this is now built-in to Chrome 35 DevTools. (Yay!) Enable by opening developer tools (e.g. F12 or "Inspect Element"), click on the "gear" to view settings, then check the "Show timestamps" checkbox in the "Console" section. !Enable t...
How to use '-prune' option of 'find' in sh?
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+1 finally found out why I need -print at end, I can now stop adding \! -path <pattern> in addition to -prune
– Miserable Variable
May 14 '13 at 20:39
6...
SPAN vs DIV (inline-block)
...pec, <span> is an inline element and <div> is a block element. Now that can be changed using the display CSS property but there is one issue: in terms of HTML validation, you can't put block elements inside inline elements so:
<p>...<div>foo</div>...</p>
is not...
How to get index in Handlebars each helper?
...4811
The index of the current array item has been available for some time now via @index:
{{#each array}}
{{@index}}: {{this}}
{{/each}}
For object iteration, use @key instead:
{{#each object}}
{{@key}}: {{this}}
{{/each}}
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How to correctly save instance state of Fragments in back stack?
...e also been coding my apps with this expected behavior for quite some time now.
– Ricardo
Mar 28 '15 at 23:32
1
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How to thoroughly purge and reinstall postgresql on ubuntu? [closed]
...ake sure PostgreSQL isn't running. ps -C postgres should show no results.
Now run:
apt-get --purge remove postgresql\*
to remove everything PostgreSQL from your system. Just purging the postgres package isn't enough since it's just an empty meta-package.
Once all PostgreSQL packages have been r...