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What do the f and t commands do in Vim?
... information but people keep telling me that they are very useful. Would really appreciate an answer with an example if possible, thanks!
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How to identify whether a file is normal file or directory
...ases. Use os.path.islink() for symlinks for instance. Furthermore, these all return False if the file does not exist, so you'll probably want to check with os.path.exists() as well.
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CSS filter: make color image with transparency white
...jP.gif" class="filter" />
</p>
First, brightness(0) makes all image black, except transparent parts, which remain transparent.
Then, invert(1) makes the black parts white.
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How do I enter RGB values into Interface Builder?
... Interface Builder? I can select predefined colors but I would like to manually enter in RGB values. Where can I do this?
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Can you do this HTML layout without using tables?
...ob quickly and correctly.
In this case a table worked perfectly.
I personally would have used a table for this.
I think nested tables should be avoided, things can get messy.
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How to force ViewPager to re-instantiate its items [duplicate]
I am using ViewPager to allow user to swipe between its views. Is there a way how to force this ViewPager to reload/re-instantiate its views in case that they are no longer valid or needs to be refreshed? I tried to call notifyDataSetChanged() on its adapter but this does not invoke instantia...
HttpURLConnection timeout settings
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N.B. !!! you need to call setConnectTimeout before any of the methods that implicitly connect (basically all the methods that throw IllegalStateException if already connected). Ideally make setConnectTimeout (readTimeout) the first methods called....
SQL update trigger only when column is modified
...ue, if new value equal to old value in one or multi row, solution 1 update all updated row in Schedule table but solution 2 update only schedule rows that old value not equal to new value.
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Foreach loop, determine which is the last iteration of the loop
...to iterate through the collection. While this might not be a problem for small collections, if it gets large it could have performance implications. It will also fail if the list contains duplicate items. In this cases something like this may be more appropriate:
int totalCount = result.Count();
fo...
Generate random string/characters in JavaScript
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@dan_waterworth, Actually, += is often faster for some reason, even used inside loops - jsperf.com/join-vs-concatenation
– Konrad Borowski
May 1 '13 at 12:29
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