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How can I generate an MD5 hash?
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The compute the hash by doing one of:
Feed the entire input as a byte[] and calculate the hash in one operation with md.digest(bytes).
Feed the MessageDigest one byte[] chunk at a time by calling md.update(bytes). When you're done adding input bytes, calculate the hash with
md.digest().
The by...
Parcelable encountered IOException writing serializable object getactivity()
...t.DSLL$DNode
Your DSLL class appears to have a DNode static inner class, and DNode is not Serializable.
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Retain cycle on `self` with blocks
...'s no real alternative here. If you're designing your own block-based API, and it makes sense to do so, you could have the block get passed the value of self in as an argument. Unfortunately, this doesn't make sense for most APIs.
Please note that referencing an ivar has the exact same issue. If yo...
Save image from URL by paperclip
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For security, you should whitelist the URI's scheme and blacklist private hosts
– John Douthat
Jan 7 '14 at 17:56
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Android: How do I get string from resources using its name?
I would like to have 2 languages for the UI and separate string values for them in my resource file res\values\strings.xml :
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How do I make the method return type generic?
...his is really just an updated version of casting from the pre-generic days and doesn't add any additional safety.
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Selecting an element in iFrame jQuery
In our application, we parse a web page and load it into another page in an iFrame. All the elements in that loaded page have their tokenid-s. I need to select the elements by those tokenid-s. Means - I click on an element on the main page and select corresponding element in the page in the iFrame. ...
CSS 3 slide-in from left transition
...iple as above (Demo One), but the animation starts automatically after 2s, and in this case I've set animation-fill-mode to forwards, which will persist the end state, keeping the div visible when the animation ends.
Like I said, two quick example to show you how it could be done.
EDIT:
For deta...
How do HttpOnly cookies work with AJAX requests?
...sites. You need some method for identifying the user behind each request, and cookies are almost always the means to that end.
In your example, I cannot write to your document.cookie, but I can still steal your cookie and post it to my domain using the XMLHttpRequest object.
XmlHttpRequest wo...
iOS multiline label in Interface builder
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And what's the width of your label?
– akashivskyy
Jul 2 '11 at 14:32
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