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How do I detect that an iOS app is running on a jailbroken phone?

...reak. In the simple case, you should be able to see if Cydia is installed and go by that - something like NSString *filePath = @"/Applications/Cydia.app"; if ([[NSFileManager defaultManager] fileExistsAtPath:filePath]) { // do something useful } For hacked kernels, it's a little (lot) more in...
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MySQL Cannot Add Foreign Key Constraint

...ing to add Foreign Key constraints to my database as a project requirement and it worked the first time or two on different tables, but I have two tables on which I get an error when trying to add the Foreign Key Constraints. The error message that I get is: ...
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JavaScript string newline character?

...); <textarea id="test" name="test"> </textarea> IE8 and Opera 9 on Windows use \r\n. All the other browsers I tested (Safari 4 and Firefox 3.5 on Windows, and Firefox 3.0 on Linux) use \n. They can all handle \n just fine when setting the value, though IE and Opera will conver...
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Removing empty lines in Notepad++

How can I replace empty lines in Notepad++? I tried a find and replace with the empty lines in the find, and nothing in the replace, but it did not work; it probably needs regex. ...
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Write a function that returns the longest palindrome in a given string

...ng Manacher's Algorithm in O(n) time! Its implementation can be found here and here. For input String s = "HYTBCABADEFGHABCDEDCBAGHTFYW1234567887654321ZWETYGDE" it finds the correct output which is 1234567887654321. share ...
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Getting the index of the returned max or min item using max()/min() on a list

I'm using Python's max and min functions on lists for a minimax algorithm, and I need the index of the value returned by max() or min() . In other words, I need to know which move produced the max (at a first player's turn) or min (second player) value. ...
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How to use count and group by at the same select statement

...or example, having a table with users I want to select the different towns and the total number of users 11 Answers ...
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Why do you need explicitly have the “self” argument in a Python method?

...quote Peters' Zen of Python. "Explicit is better than implicit." In Java and C++, 'this.' can be deduced, except when you have variable names that make it impossible to deduce. So you sometimes need it and sometimes don't. Python elects to make things like this explicit rather than based on a r...
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SQL Server query to find all permissions/access for all users in a database

...a specific database, or objects within the database such as tables, views, and stored procedures, either directly or due to roles, etc. This report would be used for security auditing purposes. Not sure if anyone has a query that will fit my needs completely, but hopefully something that will give...
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Calculate age given the birth date in the format YYYYMMDD

... answered Feb 24 '14 at 9:51 André Snede KockAndré Snede Kock 8,41355 gold badges4040 silver badges6161 bronze badges ...