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How can I convert my device token (NSData) into an NSString?

...nvert the deviceToken to a String, you can do as follows: func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) { let token = deviceToken.map { String(format: "%02.2hhx", $0) }.joined() print(token) } Old answer using NSData: func...
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keytool error :java.io.IoException:Incorrect AVA format

...) in a field for Name, Organization or somewhere else. Of course if you really want some charachter can be escaped with \ sign share | improve this answer | follow ...
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Check if a JavaScript string is a URL

...{1,3}\\.){3}\\d{1,3}))'+ // OR ip (v4) address '(\\:\\d+)?(\\/[-a-z\\d%_.~+]*)*'+ // port and path '(\\?[;&a-z\\d%_.~+=-]*)?'+ // query string '(\\#[-a-z\\d_]*)?$','i'); // fragment locator return !!pattern.test(str); } ...
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Is 1.0 a valid output from std::generate_canonical?

... @user quality of implementation - all the things that make one conformant implementation better than another e.g. performance, behavior in edge cases, helpfulness of error messages. – ecatmur Sep 4 '14 at 20:09 ...
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Downloading images with node.js [closed]

... request is deprecated. – seeker_of_bacon Feb 23 at 11:31  |  show 12 more comments ...
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How do I update pip itself from inside my virtual environment?

...ate pip itself? According to pip --version , I currently have pip 1.1 installed in my virtualenv and I want to update to the latest version. ...
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Does “git fetch --tags” include “git fetch”?

... the new behavior (see Documentation/fetch-options.txt). Request that all tags be fetched from the remote in addition to whatever else is being fetched. Since Git 2.5 (Q2 2015) git pull --tags is more robust: See commit 19d122b by Paul Tan (pyokagan), 13 May 2015. (Merged by Junio C Hamano...
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Unicode与UTF-8互转(C语言实现) - C/C++ - 清泛网 - 专注C/C++及内核技术

...***************************************************************/ int enc_unicode_to_utf8_one(unsigned long unic, unsigned char *pOutput, int outSize) { assert(pOutput != NULL); assert(outSize >= 6); if ( unic <= 0x0000007F ) { // * U-000000...
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How to get the original value of an attribute in Rails

... Before rails 5.1 Appending _was to your attribute will give you the previous value. For rails 5.1+ Copied from Lucas Andrade's answer below: https://stackoverflow.com/a/50973808/9359123 Appending _was is deprecated in rails 5.1, now you should ap...
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Are Javascript arrays sparse?

...ript arrays are implemented differs from browser to browser, but they generally fall back to a sparse implementation - most likely the same one used for property access of regular objects - if using an actual array would be inefficient. You'll have to ask someone with more knowledge about specific ...