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Correct way to load a Nib for a UIView subclass

...it's a little cleaner. "firstObject" is a handy method for NSArray and NSMutableArray. Here's a typical example, of loading a xib to use as a table header. In your file YourClass.m - (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section { return [[NSBundle main...
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What resources are shared between threads?

... yes - i'm wondering whether it is acceptable to access memory in other stacks between threads? As long as you are sure you're not trying to reference a stack that has been deallocated I'm not sure I see a problem with it? – bph ...
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How does JPA orphanRemoval=true differ from the ON DELETE CASCADE DML clause

... i call department.remove(emp); that employee will be deleted from the emp table without even calling commit() – JavaTechnical Jun 10 '14 at 12:00 add a comment ...
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When to use Vanilla JavaScript vs. jQuery?

... against an <option> to get its text content this.rows against a <table> to get a collection of <tr> elements this.cells against a <tr> to get its cells (td & th) this.parentNode to get a direct parent this.checked to get the checked state of a checkbox Thanks @Tim Down t...
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Simulate low network connectivity for Android [closed]

... Set network latency emulation to . Default value is none. See the table in Network Delay Emulation for supported values. -netspeed <speed> Set network speed emulation to . Default value is full. See the table in Network Speed Emulation for supported values. Speeds for re...
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Legality of COW std::string implementation in C++11

...very string operation, even const ones, or the complexity of a lock-free mutable reference-counted structure, and after all that you only get sharing if you never modify or access your strings, so many, many strings will have a reference-count of one. Please do provide code, feel free to ignore noex...
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Hidden features of HTML

... The contentEditable property for (IE, Firefox, and Safari) <table> <tr> <td><div contenteditable="true">This text can be edited<div></td> <td><div contenteditable="true">Thi...
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SQL: How to properly check if a record exists

... It's better to use either of the following: -- Method 1. SELECT 1 FROM table_name WHERE unique_key = value; -- Method 2. SELECT COUNT(1) FROM table_name WHERE unique_key = value; The first alternative should give you no result or one result, the second count should be zero or one. How old is...
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How do I center floated elements?

...g floats is easy. Just use the style for container: .pagination{ display: table; margin: 0 auto; } change the margin for floating elements: .pagination a{ margin: 0 2px; } or .pagination a{ margin-left: 3px; } .pagination a.first{ margin-left: 0; } and leave the rest as it is. It's the be...
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Which Architecture patterns are used on Android? [closed]

... the controller is supposed to be the main entry point. Which is a bit debatable if this is the case when applying it to Android development, since the activity is the natural entry point of most applications. Because of this, I personally find that the model–view–presenter pattern is a perfect...