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Exception 'open failed: EACCES (Permission denied)' on Android

... WARNING In android 4.4.4 do not use the parameter android:maxSdkVersion="18". It was generating this exception – guisantogui Aug 26 '14 at 22:39 1 ...
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grep a file, but show several surrounding lines?

I would like to grep for a string, but also show the preceding five lines and the following five lines as well as the matched line. How would I be able to do this? ...
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What does ':' (colon) do in JavaScript?

... yfeldblumyfeldblum 62.2k1010 gold badges125125 silver badges167167 bronze badges ...
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Convert InputStream to byte array in Java

... You can use Apache Commons IO to handle this and similar tasks. The IOUtils type has a static method to read an InputStream and return a byte[]. InputStream is; byte[] bytes = IOUtils.toByteArray(is); Internally this creates a ByteArrayOutputStream and copies the bytes to the outp...
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Generate a random alphanumeric string in Cocoa

... Here's a quick and dirty implementation. Hasn't been tested. NSString *letters = @"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; -(NSString *) randomStringWithLength: (int) len { NSMutableString *randomString = ...
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Find all files in a directory with extension .txt in Python

...th.join("/mydir", file)) or if you want to traverse directory, use os.walk: import os for root, dirs, files in os.walk("/mydir"): for file in files: if file.endswith(".txt"): print(os.path.join(root, file)) ...
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Node.js: printing to console without a trailing newline?

... edited Aug 30 '13 at 20:15 Akseli Palén 23.3k55 gold badges5353 silver badges6767 bronze badges answered May 27 '11 at 20:51 ...
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What does it mean by select 1 from table?

...CT 1 FROM TABLE_NAME means, "Return 1 from the table". It is pretty unremarkable on its own, so normally it will be used with WHERE and often EXISTS (as @gbn notes, this is not necessarily best practice, it is, however, common enough to be noted, even if it isn't really meaningful (that said, I will...
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How to set value of input text using jQuery

...have other script errors causing this to fail. The first example above works correctly in this demonstration. share | improve this answer | follow | ...
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How do I animate constraint changes?

...mportant notes: You need to call layoutIfNeeded within the animation block. Apple actually recommends you call it once before the animation block to ensure that all pending layout operations have been completed You need to call it specifically on the parent view (e.g. self.view), not the child ...