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How to serialize an object into a string

I am able to serialize an object into a file and then restore it again as is shown in the next code snippet. I would like to serialize the object into a string and store into a database instead. Can anyone help me? ...
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Capture Image from Camera and Display in Activity

I want to write a module where on a click of a button the camera opens and I can click and capture an image. If I don't like the image I can delete it and click one more image and then select the image and it should return back and display that image in the activity. ...
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Convert String to System.IO.Stream [duplicate]

...tream. MemoryStream inherits from Stream, just like FileStream. So you can cast them as Stream... – Marco Nov 8 '11 at 7:31 13 ...
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Understanding why Zipper is a Comonad

...viewed as a comonad just as well (in multiple ways), while a Zipper can be cast as a monad (also in many ways). The difference is in whether you are conceptually focused on "appending" data constructively to a state machine (that's what the Monad interface is about), or "extracting" state from it "d...
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How to upgrade Git to latest version on macOS?

I just bought a new Mac with OS X Lion and I checked in the Terminal what version of git is installed by default. I got the answer ...
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C fopen vs open

..., there is no particularly good reason to use fdopen if fopen is an option and open is the other possible choice. You shouldn't have used open to open the file in the first place if you want a FILE *. So including fdopen in that list is incorrect and confusing because it isn't very much like the oth...
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php execute a background process

... Assuming this is running on a Linux machine, I've always handled it like this: exec(sprintf("%s > %s 2>&1 & echo $! >> %s", $cmd, $outputfile, $pidfile)); This launches the command $cmd, redirects the command output to $outputfile, and writes the process id to...
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How to count the number of set bits in a 32-bit integer?

...entation-defined for negative values. The argument needs to be changed (or cast) to unsigned, and since the code is 32-bit-specific, it should probably be using uint32_t. – R.. GitHub STOP HELPING ICE May 14 '11 at 21:55 ...
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How could I convert data from string to long in c#

...er part of that number you must first convert it to a floating number then cast to long. long l1 = (long)Convert.ToDouble("1100.25"); You can use Math class to round up the number as you like, or just truncate... Math.Round Math.Ceil ...
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How to send email attachments?

I am having problems understanding how to email an attachment using Python. I have successfully emailed simple messages with the smtplib . Could someone please explain how to send an attachment in an email. I know there are other posts online but as a Python beginner I find them hard to understand....