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Constructors vs Factory Methods [closed]
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From page 108 of Design Patterns: Elements of Reusable Object-Oriented Software by Gamma, Helm, Johnson, and Vlissides.
Use the Factory Method pattern when
a class can't anticipate the class of objects it must create
a class wants its subclasses to specify th...
Rename a git submodule
Is there some easy way to rename a git submodule directory (other than going through the entire motion of deleting it and re-adding it with a new destination name).
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What's the best way to develop a sideswipe menu like the one in Facebook's new iOS app?
It appears that side-swipe menus are becoming a more common interface element as more information gets crammed into each iPhone app. Facebook has included it in their latest version and the new Gmail app appears to include it as well . I was wondering if anybody had thoughts on the most efficient...
How do I escape a single quote ( ' ) in JavaScript? [duplicate]
UPDATE:
I want to give an updated answer to this question. First, let me state if you're attempting to accomplish what I have below, I recommend that you manage events by adding event listeners instead. I highly recommend that you utilize jQuery for your project and use their syntax to manage ...
API to automatically upload apk to Google Play? [closed]
Is there any API or tool that enables me to automatically upload an APK to Google Play? I want to automatically publish customized apps to my account without any manual steps or graphical interface.
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Add Keypair to existing EC2 instance
...very, if it's an EBS boot AMI, you can stop it, make a snapshot of the volume. Create a new volume based on it. And be able to use it back to start the old instance, create a new image, or recover data.
Though data at ephemeral storage will be lost.
Due to the popularity of this question and an...
How can I parse a JSON file with PHP? [duplicate]
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To iterate over a multidimensional array, you can use RecursiveArrayIterator
$jsonIterator = new RecursiveIteratorIterator(
new RecursiveArrayIterator(json_decode($json, TRUE)),
RecursiveIteratorIterator::SELF_FIRST);
foreach ($jsonIterator...
Specifying and saving a figure with exact size in pixels
...(800/my_dpi, 800/my_dpi), dpi=my_dpi)
So you basically just divide the dimensions in inches by your DPI.
If you want to save a figure of a specific size, then it is a different matter. Screen DPIs are not so important anymore (unless you ask for a figure that won't fit in the screen). Using the ...
System.Security.SecurityException when writing to Event Log
... The steps above are ok on developer machines, where you do not use deployment process to install application.
However if you deploy your application to other machine(s), consider to register event log sources during installation as suggested in SailAvid's and Nicole Calinoiu's answers.
I am using...
Remove HTML tags from a String
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Jsoup is nice, but I encountered some drawbacks with it. I use it to get rid of XSS, so basically I expect a plain text input, but some evil person could try to send me some HTML. Using Jsoup, I can remove all HTML but, unfortunately it also shrinks many space...