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How to get UILabel to respond to tap?

I have discovered that I can create UILabel much faster than UITextField and I plan to use UILabel most of the time for my data display app. ...
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Difference between abstraction and encapsulation?

What is the precise difference between encapsulation and abstraction? 39 Answers 39 ...
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What does get-task-allow do in Xcode?

... entitlements in my iPhone app project, I create a new Entitlements.plist, and set the value of get-task-allow to false. But why? What does this key represent? ...
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Why does Python use 'magic methods'?

I've been playing around with Python recently, and one thing I'm finding a bit odd is the extensive use of 'magic methods', e.g. to make its length available, an object implements a method, def __len__(self) , and then it is called when you write len(obj) . ...
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getResourceAsStream() vs FileInputStream

I was trying to load a file in a webapp, and I was getting a FileNotFound exception when I used FileInputStream . However, using the same path, I was able to load the file when I did getResourceAsStream() . What is the difference between the two methods, and why does one work while the other do...
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When to use a “has_many :through” relation in Rails?

I am trying to understand what has_many :through is and when to use it (and how). However, I am not getting it. I am reading Beginning Rails 3 and I tried Googling, but I am not able to understand. ...
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How to use phpexcel to read data and insert into database?

...hp application where I want to read data from excel, Insert into database and then generate pdf reports for specific users. I searched a lot but nothing specific given about both things. ...
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String, StringBuffer, and StringBuilder

Please tell me a real time situation to compare String , StringBuffer , and StringBuilder ? 11 Answers ...
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Can I multiply strings in Java to repeat sequences? [duplicate]

...tion]).replace("\0", "-") Replace generation with number of repetitions, and the "-" with the string (or char) you want repeated. All this does is create an empty string containing n number of 0x00 characters, and the built-in String#replace method does the rest. Here's a sample to copy and past...
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Nginx 403 forbidden for all files

.../demo, etc. for www-data x access. My guess is that /home is probably 770 and www-data can't chdir through it to get to any subdir. If it is, try chmod o+x /home (or whatever dir is denying the request). EDIT: To easily display all the permissions on a path, you can use namei -om /path/to/check ...