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registerForRemoteNotificationTypes: is not supported in iOS 8.0 and later

... Xcode 6, then you will need to use conditional compiling as follows: #if __IPHONE_OS_VERSION_MAX_ALLOWED >= 80000 if ([application respondsToSelector:@selector(registerUserNotificationSettings:)]) { // use registerUserNotificationSettings } else { // use registerForRemoteNotificationTyp...
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Differences between Perl and PHP [closed]

...ype, of which Perl has three, and the type specifier is part of the name (called a "sigil"), so $foo is a different variable than @foo or %foo. (related to the previous point) Perl has separate symbol table entries for scalars, arrays, hashes, code, file/directory handles and formats. Each has its o...
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How to check whether a string is Base64 encoded or not

... for PHP5 //where $json is some data that can be base64 encoded $json=some_data; //this will check whether data is base64 encoded or not if (base64_decode($json, true) == true) { echo "base64 encoded"; } else { echo "not base64 encoded"; } Use this for PHP7 //$strin...
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@RequestParam vs @PathVariable

...re interesting annotation: @MatrixVariable http://localhost:8080/spring_3_2/matrixvars/stocks;BT.A=276.70,+10.40,+3.91;AZN=236.00,+103.00,+3.29;SBRY=375.50,+7.60,+2.07 And the Controller method for it @RequestMapping(value = "/{stocks}", method = RequestMethod.GET) public String showPortfo...
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How to find third or nth maximum salary from salary table?

... Use ROW_NUMBER(if you want a single) or DENSE_RANK(for all related rows): WITH CTE AS ( SELECT EmpID, EmpName, EmpSalary, RN = ROW_NUMBER() OVER (ORDER BY EmpSalary DESC) FROM dbo.Salary ) SELECT EmpID, EmpName, EmpSalary FROM CTE WHERE RN = @NthRow ...
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Get Slightly Lighter and Darker Color from UIColor

...so, from @Riley's idea, it may be a better idea to make the color proprtionally darker or lighter instead of adding or subtracting constant values. As @jrturton pointed out, it's not necessary to manipulate the RGB components; it's better to modify the brightness property itself. All in all: @imple...
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How to start a background process in Python?

...e way your shell script did, or you can spawn it: import os os.spawnl(os.P_DETACH, 'some_long_running_command') (or, alternatively, you may try the less portable os.P_NOWAIT flag). See the documentation here. share ...
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How to write LDAP query to test if user is member of a group?

...OU=yourOU,DC=yourcompany,DC=com))"; SearchResultCollection res = srch.FindAll(); if(res == null || res.Count <= 0) { Console.WriteLine("This user is *NOT* member of that group"); } else { Console.WriteLine("This user is INDEED a member of that group"); } Word of caution: this will onl...
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How do you install an APK file in the Android emulator?

I finally managed to obfuscate my Android application, now I want to test it by installing the APK file and running it on the emulator. ...
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Difference between objectForKey and valueForKey?

...ex). valueForKey: is a KVC method. It works with ANY class. valueForKey: allows you to access a property using a string for its name. So for instance, if I have an Account class with a property accountNumber, I can do the following: NSNumber *anAccountNumber = [NSNumber numberWithInt:12345]; Acco...