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In Perl, how can I read an entire file into a string?

I'm trying to open an .html file as one big long string. This is what I've got: 16 Answers ...
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Two-way encryption: I need to store passwords that can be retrieved

... Personally, I would use mcrypt like others posted. But there is much more to note... How do I encrypt and decrypt a password in PHP? See below for a strong class that takes care of everything for you: What is the safest algorithm to encrypt the passwords with? safest? any of them....
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在 App Inventor 2 中使用图像 · App Inventor 2 中文网

...常见的陷阱! Out of memory errors An example of misusing large images Use images that are “Just the right size” Picking “just the right size” Determining the size of the image on the screen Details on fixed vs. responsive sizi...
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Facebook Graph API v2.0+ - /me/friends returns empty, or only friends who also use my application

... use the app. In addition, in v2.0, you must request the user_friends permission from each user. user_friends is no longer included by default in every login. Each user must grant the user_friends permission in order to appear in the response to /me/friends. See the Facebook upgrade guide for more ...
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How to test if list element exists?

I would like to test if an element of a list exists, here is an example 7 Answers 7 ...
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Creating default object from empty value in PHP?

I see this error only after upgrading my PHP environment to PHP 5.4 and beyond. The error points to this line of code: 16 A...
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Procedure expects parameter which was not supplied

...ication code and see what value you are setting @template to. I suspect it is null and therein lies the problem. share | improve this answer | follow | ...
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Finding the source code for built-in Python functions?

Is there a way to see how built in functions work in python? I don't mean just how to use them, but also how were they built, what is the code behind sorted or enumerate etc...? ...
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Input size vs width

...mber of characters. Edit: I should have mentioned that the size attribute isn't a precise method of sizing: according to the HTML specification, it should refer to the number of characters of the current font the input will be able to display at once. However, unless the font specified is a fixed...
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Arduino Sketch upload issue - avrdude: stk500_recv(): programmer is not responding

...uino Duemilanove with an ATmega328 . I am working on Ubuntu 12.04 (Precise Pangolin), and the Arduino IDE's version is 1.0. Recently, I tried to upload a few of the sample sketches onto it, such as the Blink one. However, none of my attempts are working and they result in the same error every ti...