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Is there a good charting library for iPhone? [closed]

I have a need to render and display charts (bar charts for now, but more types may be needed later) in an iPhone app I'm working on. I've done some looking around and it doesn't look like there are any really good, mature charting libraries for iPhone yet. I've also looked for something written for ...
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Dropping Unique constraint from MySQL table

... @Ankur Mukherjee: I forgot to mention: You have to change tbl_name and index_name to the name of your actual table and the name of the actual index, respectively. You can see the names in MySQL Query Browser. You can also do SHOW CREATE TABLE tbl_name. – Mark Byers ...
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Lock, mutex, semaphore… what's the difference?

... A lock allows only one thread to enter the part that's locked and the lock is not shared with any other processes. A mutex is the same as a lock but it can be system wide (shared by multiple processes). A semaphore does the same as a mutex but allows x number of threads to enter, this...
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How to edit a node module installed via npm?

...to the source. If the changes affect functionality of the overall module, and may be useful to others, you may want to contribute to the original source on github and look for the change to be implemented. If this is proprietary functionality that is needed, and would not help the development of t...
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Using margin:auto to vertically-align a div

...middle because it's not applicable to block-level elements margin-top:auto and margin-bottom:auto because their used values would compute as zero margin-top:-50% because percentage-based margin values are calculated relative to the width of containing block In fact, the nature of document flow and ...
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Why historically do people use 255 not 256 for database field magnitudes?

...ric reason why? I assume it's something to do with paging / memory limits, and performance but the distinction between 255 and 256 has always confused me. ...
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PhoneGap Eclipse Issue - eglCodecCommon glUtilsParamSize: unknow param errors

I have just started on phonegap and trying to setup first basic minimal project in eclipse. I followed through the phonegap docs at http://docs.phonegap.com/en/edge/guide_platforms_android_index.md.html#Android%20Platform%20Guide ...
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How do you unit test private methods?

...e code. Since Release code is optimized, you might see different behavior and different timings. In multithreaded code this means your unit tests won't appropriately detect race conditions. Much better is to use reflection via @AmazedSaint's suggestion below or use the built-in PrivateObject/Priv...
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How can I determine what font a browser is actually using to render some text?

...ecause it was from 4 years ago. The fact that old answers linger like this and the community cannot update them is one of the few remaining failures of Stack Overflow. share | improve this answer ...
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Revert to Eclipse default settings

...nces>Java>Editor. Click on Syntax Coloring. Click "Restore Defaults" and "Apply". Then, navigate to General>Editors. Click on Text Editors. Click on "Restore Defaults" and "Apply". I had the same issue and the above steps cleared up my problem. Also, the Show line numbers check box is on t...