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Use of alloc init instead of new

...swered Mar 6 '13 at 15:49 guitar_freakguitar_freak 4,19566 gold badges2727 silver badges4242 bronze badges ...
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How do I measure the execution time of JavaScript code with callbacks?

... put this at the top of my app. var start = process.hrtime(); var elapsed_time = function(note){ var precision = 3; // 3 decimal places var elapsed = process.hrtime(start)[1] / 1000000; // divide by a million to get nano to milli console.log(process.hrtime(start)[0] + " s, " + elapsed....
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How to write a caption under an image?

...line-block; } figcaption { margin: 10px 0 0 0; font-variant: small-caps; font-family: Arial; font-weight: bold; color: #bb3333; } figure { padding: 5px; } img:hover { transform: scale(1.1); -ms-transform: scale(1.1); -webkit-transform: scale(1.1); ...
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Best way to store time (hh:mm) in a database

...e, but what's the best way to do this without storing more info than I actually need? 15 Answers ...
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change text of button and disable button in iOS

...antage of the fact that they are passed in as an argument to the IBAction calls: - (IBAction) triggerActionWithSender: (id) sender; This can be bound to the button and you’ll get the button in the sender argument when the action is triggered. If that’s not enough (because you need to access t...
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How to implement the Android ActionBar back button?

... In my situation I was looking for a way to not call onCreate of the parent when returning to it. To do this, I used your implementation, but called finish() instead of NavUtils.navigateUpFromSameTask(this). finish() calls my onStart instead of onCreate which was more ideal...
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Solving “The ObjectContext instance has been disposed and can no longer be used for operations that

...creates proxy class for your entity and overrides navigation properties to allow lazy-loading. E.g. if you have this entity: public class MemberLoan { public string LoandProviderCode { get; set; } public virtual Membership Membership { get; set; } } Entity Framework will return proxy inheri...
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Rotating and spacing axis labels in ggplot2

... Change the last line to q + theme(axis.text.x = element_text(angle = 90, vjust = 0.5, hjust=1)) By default, the axes are aligned at the center of the text, even when rotated. When you rotate +/- 90 degrees, you usually want it to be aligned at the edge instead: The image ab...
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How to get Twitter-Bootstrap navigation to show active link?

...g the same code over and over. I would recommend at least using the current_page? method to check the current controller/action, and would also move the code into a helper to avoid the code repetition. – Dustin Frazier May 9 '12 at 17:17 ...
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Converting from a string to boolean in Python?

... Use: bool(distutils.util.strtobool(some_string)) Python 2: http://docs.python.org/2/distutils/apiref.html?highlight=distutils.util#distutils.util.strtobool Python 3: https://docs.python.org/3/distutils/apiref.html#distutils.util.strtobool True values are y...