2014/10/15 下午 10:08:40
iphone Programming Glossary: expressionsObjective C: How to grab a number after a sub string from string http://stackoverflow.com/questions/10291881/objective-c-how-to-grab-a-number-after-a-sub-string-from-string 2. enter password iphone objective c ios cocoa touch nsstring share improve this question You may use regular expressions to capture the numbers also assuming that there is only numeric characters and spaces in the result and there is always..
Unable to download whole html page - Objective C/Xcode http://stackoverflow.com/questions/11097220/unable-to-download-whole-html-page-objective-c-xcode to be relative if you want to display it offline or upload it to another server . Parsing can be done with regular expressions or some other 3rd party parsers or libraries that can download the whole web page... You may take a look at ASIWebPageRequest..
Remove all but numbers from NSString http://stackoverflow.com/questions/1129521/remove-all-but-numbers-from-nsstring iphone objective c formatting nsstring phone number share improve this question There's no need to use a regular expressions library as the other answers suggest the class you're after is called NSScanner . It's used as follows NSString originalString..
How to compare if two objects are really the same object? http://stackoverflow.com/questions/1319247/how-to-compare-if-two-objects-are-really-the-same-object right iphone objective c cocoa cocoa touch uikit share improve this question The operator tests whether the two expressions are the same pointer to the same object. Cocoa calls this relation 𦤹dentical see for example NSArray's indexOfObjectIdenticalTo..
iPhone how to check that a string is numeric only http://stackoverflow.com/questions/1320295/iphone-how-to-check-that-a-string-is-numeric-only I use this code in my Mac app the same or similar should work with the iPhone. It's based on the RegexKitLite regular expressions and turns the text red when its invalid. static bool TextIsValidValue NSString newText double value bool result false if..
http://stackoverflow.com/questions/16337362/kvc-vs-fast-enumeration a lot of how elegant or clever a language is comes down to how well it avoids loops. for while even fast enumeration expressions are a drag. No matter how you sugar coat them loops will be a block of code that does something that is much simpler to..
Is there a way to create custom UIDataDetectorTypes? http://stackoverflow.com/questions/2358343/is-there-a-way-to-create-custom-uidatadetectortypes a custom UIDataDetectorTypes but Craig Hockenberry did something like it with his TwitterrificTouch. He uses regular expressions to detect links and other things. I provide it with my keywords and then they become tappable. He places buttons on top..
Regex for an email address doesn't work http://stackoverflow.com/questions/3179859/regex-for-an-email-address-doesnt-work c regex email nspredicate share improve this question You cannot correctly validate an email address with regular expressions alone. A simple search will show you many articles discussing this. The problem lies with the nature of DNS there are too..
What's the best approach for parsing XML/'screen scraping' in iOS? UIWebview or NSXMLParser? http://stackoverflow.com/questions/3541615/whats-the-best-approach-for-parsing-xml-screen-scraping-in-ios-uiwebview-or you want and the complexity of the pages that you need to parse you might also be able to parse it by using regular expressions or even a hand written parser. I have done this many times and for simple data this works well. share improve this answer..
Get String Between Two Other Strings in ObjC http://stackoverflow.com/questions/4002360/get-string-between-two-other-strings-in-objc have an idea of how to do this with RegEx or without iphone objective c share improve this question The regular expressions solution that Jacques gives works and the caveat of requiring iOS 4.0 and later is true. Using regular expressions is also.. expressions solution that Jacques gives works and the caveat of requiring iOS 4.0 and later is true. Using regular expressions is also quite slow and an overkill if the search expressions are known string constants. You can solve the problem using.. of requiring iOS 4.0 and later is true. Using regular expressions is also quite slow and an overkill if the search expressions are known string constants. You can solve the problem using methods on NSString or a class named NSScanner both have been..
parsing HTML on the iPhone [closed] http://stackoverflow.com/questions/405749/parsing-html-on-the-iphone messy HTML code that won't quite validate. Does such a library exist or am I better off just trying to use regular expressions iphone html parsing html content extraction share improve this question I found using hpple quite useful to parse messy..
How can I extract a URL from a sentence that is in a NSString? http://stackoverflow.com/questions/4590440/how-can-i-extract-a-url-from-a-sentence-that-is-in-a-nsstring on a limb here and say you should probably use NSDataDetector as Dave mentions. Far less prone to error than regular expressions. Take a look at regular expressions . You can construct a simple one to extract the URL using the NSRegularExpression class.. probably use NSDataDetector as Dave mentions. Far less prone to error than regular expressions. Take a look at regular expressions . You can construct a simple one to extract the URL using the NSRegularExpression class only available on iPhone but since..
http://stackoverflow.com/questions/4632966/using-lattitude-and-longitude-of-the-current-location-and-destination-location heading 45 return 'N' else if heading 45 heading 135 return 'E' else if ... It's late here and I'm not testing those expressions so if they seem useful please make sure you understand and test them instead of trying to apply them blindly. The odds that..
Find/Replace in Xcode using Regular Expression http://stackoverflow.com/questions/4778847/find-replace-in-xcode-using-regular-expression is enough for my need here by referring the post http www.cocoabuilder.com archive xcode 273123 how to use regular expressions in xcode find replace.html and trial and error method. My Find string is myClass.myMethod . And my Replace string is 1 2WithOptions..
TextField Validation With Regular Expression http://stackoverflow.com/questions/5765654/textfield-validation-with-regular-expression but 4 characters and then press Done and hide the keyboard. Thats the first problem.... I am not familar with regular expressions and how to use them in iphone. So I need to add to this code regular expression for the above requirement. BOOL textField..
Has anyone got any code examples of ECL Lisp for Iphone development? http://stackoverflow.com/questions/5770020/has-anyone-got-any-code-examples-of-ecl-lisp-for-iphone-development Xcode. You can then connect to the iOS device using SLIME or MCLIDE providing a REPL from which you can evaluate Lisp expressions directly on the device and interactively develop the app. The code example in the init.lisp file runs on the device as the..
Need to find Distance using Gyro+Accelerometer http://stackoverflow.com/questions/6647314/need-to-find-distance-using-gyroaccelerometer distance gyroscope share improve this question Basic calculus behind this problem is in the expression and similar expressions for displacements in y and z and basic geometry is the Pythagorean theorem So once you have your accelerometer signals passed..
http://stackoverflow.com/questions/7665323/ios-textfield-validation emails formatted correctly . Is there any library that can't make this easy for me so I don't have to write regular expressions. iphone objective c ios share improve this question This will check a UITextField for a proper email and phone number..
How can I display the application version revision in my application's settings bundle? http://stackoverflow.com/questions/877128/how-can-i-display-the-application-version-revision-in-my-applications-settings command usr libexec PlistBuddy c Set VersionValue newVersion path to Root.plist No need to fiddle with sed or regular expressions this approach is quite straightforward. See the man page for detailed instructions. You can use PlistBuddy to add remove..
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