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@try - catch block in Objective-C

... All work perfectly :) NSString *test = @"test"; unichar a; int index = 5; @try { a = [test characterAtIndex:index]; } @catch (NSException *exception) { NSLog(@"%@", exception.reason); NSLog(@"Char at index %d cannot be found", index); NSLog(@"Max inde...
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How do I grep for all non-ASCII characters?

...ry large XML files and I'm trying to find the lines that contain non-ASCII characters. I've tried the following: 11 Answers...
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How to add leading zeros?

... Note that sprintf converts numeric to string (character). – aL3xa Apr 28 '11 at 8:54 Than...
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PHP validation/regex for URL

... Some things that jump out at me: use of alternation where character classes are called for (every alternative matches exactly one character); and the replacement shouldn't have needed the outer double-quotes (they were only needed because of the pointless /e modifier on the regex). ...
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Convert string to List in one line?

... List<string> result = names.Split(new char[] { ',' }).ToList(); Or even cleaner by Dan's suggestion: List<string> result = names.Split(',').ToList(); share | ...
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Python: json.loads returns items prefixing with 'u'

...ing a dummy string (for now) like the code below. My output comes out with character 'u' prefixing each item: 9 Answers ...
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HtmlSpecialChars equivalent in Javascript?

...ur solution code--it will only escape the first occurrence of each special character. For example: escapeHtml('Kip\'s <b>evil</b> "test" code\'s here'); Actual: Kip's <b>evil</b> "test" code's here Expected: Kip's <b>evil&amp...
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Replace non-ASCII characters with a single space

I need to replace all non-ASCII (\x00-\x7F) characters with a space. I'm surprised that this is not dead-easy in Python, unless I'm missing something. The following function simply removes all non-ASCII characters: ...
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Byte order mark screws up file reading in Java

...e doc link above. You can then use the detected ByteOrderMark to choose a Charset to decode the stream. (There's probably a more streamlined way to do this if you need all of this functionality - maybe the UnicodeReader in BalusC's answer?). Note that, in general, there's not a very good way to d...
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Why do pthreads’ condition variable functions require a mutex?

...pthread_cond_wait(&cond); //imagine cond_wait did not have a mutex char *data = some_data; some_data = NULL; handle(data); } you'd naturally get a lot of race condition, what if the other thread did some_data = new_data right after you got woken up, but before you did data = some_d...