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How to Rotate a UIImage 90 degrees?

...nt to use a CGAffineTransform . I want the pixels of the UIImage to actually shift position. I am using a block of code (shown below) originally intended to resize a UIImage to do this. I set a target size as the current size of the UIImage but I get an error: ...
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Programmatically shut down Spring Boot application

How can I programmatically shutdown a Spring Boot application without terminating the VM ? 5 Answers ...
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Visual Studio Clicking Find Results Opens Code in Wrong Window

... Thanks. Works in VS2015 also – RandallTo Nov 24 '15 at 17:29 This solution usually fixes it for me q...
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Are “elseif” and “else if” completely synonymous?

...tom line is that both would result in exactly the same behavior. Essentially, they will behave the same, but else if is technically equivalent to a nested structure like so: if (first_condition) { } else { if (second_condition) { } } The manual also notes: Note that elseif and els...
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RegEx to extract all matches from string using RegExp.exec

... Continue calling re.exec(s) in a loop to obtain all the matches: var re = /\s*([^[:]+):\"([^"]+)"/g; var s = '[description:"aoeu" uuid:"123sth"]'; var m; do { m = re.exec(s); if (m) { console.log(m[1], m[2]); } } ...
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What does the exclamation mark do before the function?

...s just a function declaration. You would need an invocation, foo(), to actually run the function. Now, when we add the seemingly innocuous exclamation mark: !function foo() {} it turns it into an expression. It is now a function expression. The ! alone doesn't invoke the function, of course, but w...
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PowerMockito mock single static method and return object

... What you want to do is a combination of part of 1 and all of 2. You need to use the PowerMockito.mockStatic to enable static mocking for all static methods of a class. This means make it possible to stub them using the when-thenReturn syntax. But the 2-argument overload of mo...
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PostgreSQL - fetch the row which has the Max value for a column

I'm dealing with a Postgres table (called "lives") that contains records with columns for time_stamp, usr_id, transaction_id, and lives_remaining. I need a query that will give me the most recent lives_remaining total for each usr_id ...
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How to use my view helpers in my ActionMailer views?

... I thought these were supposed to be automatically included in Rails 4? guides.rubyonrails.org/… – gabeodess Jan 28 '15 at 22:21 ...
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Django - iterate number in for loop of a template

...e dictionary then not only first and last iteration can be controlled, but all index can be controlled. example: {% for key, value in DictionaryResult.items %} <tr align="center"> {% for project_data in value %} {% if forloop.counter <= 13 %} <!-- Here you can control ...