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How many bytes does one Unicode character take?

... a programmer a hell when it comes to writing strlen(), substr() and other string manipulation functions on UTF8 arrays. This kind of work will be never complete and always buggy. – Nulik Sep 26 '16 at 16:15 ...
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Is there a way to iterate over a range of integers?

...ugh it is fully inlined in the setup phase. In the loop phase there is an extra instruction in the loop, but it isn't too bad. I'd use the simple for loop. share | improve this answer | ...
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Inheriting from a template class in c++

... create objects from any other class). Another such class would be Area<char>. Note that those are completely different classes, which have nothing in common except for the fact that they were generated from the same class template. Since Area is not a class, you cannot derive the class Recta...
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google oauth2 redirect_uri with several parameters

... state=THE_STATE_PARAMETERS So for your case,do this: /1. create a json string of your parameters -> { "a" : "b" , "c" : 1 } /2. do a base64UrlEncode , to make it URL safe -> stateString = base64UrlEncode('{ "a" : "b" , "c" : 1 }'); This is a PHP example of base64UrlEncoding & de...
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What does O(log n) mean exactly?

... occurred at the office, and every entry in each of the phone books has an extra "0" at the end of the phone number. Take some white-out and remove each zero. O(n · n!): We're ready to load the phonebooks onto the shipping dock. Unfortunately, the robot that was supposed to load the books has gone ...
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String.format() to format double in java

How can I use String.format(format String,X) to format a double like follows??? 7 Answers ...
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Remove all whitespaces from NSString

I've been trying to get rid of the white spaces in an NSString , but none of the methods I've tried worked. 11 Answers ...
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What does asterisk * mean in Python? [duplicate]

...=%s" % (args,) argdict = dict(a="testa", b="testb", c="testc", excessarg="string") foo(**argdict) Prints: a=testa b=testb c=testc args={'excessarg': 'string'} And def foo(a,b,c,*args): print "a=%s" % (a,) print "b=%s" % (b,) print "c=%s" % (c,) print "args=%s" % (args,) argtu...
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Dynamically Changing log4j log level

...he documentation of org.apache.log4j.xml.DOMConfigurator.configureAndWatch(String,long) for details. The default wait time between checks is 60 seconds. These changes would be persistent, since you directly change the configuration file on the filesystem. All you need to do is to invoke DOMConfigura...
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How to use `string.startsWith()` method ignoring the case?

I want to use string.startsWith() method but ignoring the case. 8 Answers 8 ...