testflight invitation code

group, and then through the modulo 62 operation, the result as an index to remove characters,Method Two: PublicString Genrandomnum () {intMaxnum = 36; inti; intCount = 0; Char[] str = {' A ', ' B ', ' C ', ' D ', ' E ', ' F ', ' G ', ' H ', ' I ', ' J ', ' K ', ' L ', ' M ', ' N ', ' O ', ' P ', ' Q ', ' R ', ' S ', ' T ', ' U ', ' V ', ' W ', ' X ', ' Y ', ' Z ', ' 0 ', ' 1 ', ' 2 ', ' 3 ', ' 4 ', ' 5 ', ' 6 ', ' 7 ', ' 8 ', ' 9 ' }; StringBuffer pwd=NewStringBuffer (""); Ran

QQ centimeter show the qualification to obtain methods: 1, in the mobile phone we open QQ and then find QQ "public number" and then in the entry interface we click "Add" effect as shown below; 2, then in the public number we re-enter the "qqlmshow", and then click Search, and then find the QQ cm show public number, "attention" into the public number page 3. After success, we click on "Participate in application" 4, click below to participate in the download of the ne

Today to do the invitation code this function, but I do not bother to modify the database table structure, and then read a lot of blogs on the internet, and then a blog above the PHP read a way to write, and then according to my understanding to rewrite into. Net. Words do not say more directly paste code. static void Main (string[] args) {int num = 10086;

The calculation of the time difference (DataTime) is used in the process of writing an invitation code algorithm, and the time difference datatime Obtain the total number of seconds from January 1, January 1, 2016 to the current: Long time = Convert. ToInt64 (DateTime. Now. Subtract (DateTime. Parse ("2016-1-1 1-1"). TotalSeconds ); If you want to obtain a unique time point for reference and use it in th

Practical tips the database has been converted into six-digit and alphabetic strings with its own digital ID. (If you do not want to expose the ID of the registration invitation code) public static void Main (string[] args) { Long i = 124342; String s = long.tostring (i, 36);System.out.println (String.Format ("%6s", s). Replace ("", "0"));Long I1 = Long.parselong ("00000" +s, 36); System.out.println (I

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