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Standard Android menu icons, for example refresh [closed]

... Never mind, I found it in the source: base.git/core/res/res and subdirectories. As others said in the comments, if you have the Android SDK installed it’s also on your computer. The path is [SDK]/platforms/android-[VERSION]/data/res. ...
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将 App Inventor 2 项目连接到外部传感器 · App Inventor 2 中文网

...rovided by Google ATAP Introduction App Inventor is a visual “blocks” based language for programming Android apps. It gives users the ability to easily learn, create, and prototype in a plug-and-play environment by connecting various blocks of code. Currently, AppInventor’s toolset primarily...
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Difference between timestamps with/without time zone in PostgreSQL

...lated conversion on input or output. If the value was entered into the database as '2011-07-01 06:30:30', then no mater in what time zone you display it later, it will still say year 2011, month 07, day 01, 06 hours, 30 minutes, and 30 seconds (in some format). Also, any offset or time zone you spec...
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Word wrapping in phpstorm

...hat are wrapped by the editor. This plugin can be installed from any IDEA-based IDE by searching for Wrap to Column. It has the additional benefit that you can choose to wrap only sections of text that you want :-) share ...
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ArrayIndexOutOfBoundsException with custom Android Adapter for multiple views in ListView

... For those who are stumped, the ViewType must return a zero based index . eg (0, 1, 2...). in my case i tried to reuse the R.layout... for the ViewType. i guess internally the ViewType's value is being used as the index for recycling pool and not as a key. – Samu...
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String isNullOrEmpty in Java? [duplicate]

... com.google.common.base.Strings.isNullOrEmpty(String string) from Google Guava share | improve this answer | follow ...
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Regular expressions in C: examples?

...es with most (all?) *nixes. Here's an example of using POSIX regexes in C (based on this): #include <regex.h> regex_t regex; int reti; char msgbuf[100]; /* Compile regular expression */ reti = regcomp(&regex, "^a[[:alnum:]]", 0); if (reti) { fprintf(stderr, "Could not compile...
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Show pending migrations in rails

...migrations: 20090828200602 Test Run "rake db:migrate" to update your database then try again. share | improve this answer | follow | ...
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How to pass parameters correctly?

...angerous! } Also notice, that you normally do not resort to the template-based solution unless you have a good reason for it, as it makes your code harder to read. Normally, you should focus on clarity and simplicity. The above are just simple guidelines, but most of the time they will point you ...
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Deleting folders in python recursively

...t for the next guy searching for a micropython solution, this works purely based on os (listdir, remove, rmdir). It is neither complete (especially in errorhandling) nor fancy, it will however work in most circumstances. def deltree(target): print("deltree", target) for d in os.listdir(targ...