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How to estimate a programming task if you have no experience in it [closed]

I am having a difficult time with management asking for estimates on programming tasks that are using third-party controls that I have no prior experience with. ...
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Can you “compile” PHP code and upload a binary-ish file, which will just be run by the byte code int

I know that PHP is compiled to byte code before it is run on the server, and then that byte code can be cached so that the whole script doesn't have to be re-interpreted with every web access. ...
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Type Checking: typeof, GetType, or is?

I've seen many people use the following code: 14 Answers 14 ...
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Convert data.frame column to a vector?

I have a dataframe such as: 11 Answers 11 ...
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How to declare an array in Python?

How do I declare an array in Python ? 16 Answers 16 ...
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Pass Variables by Reference in Javascript

How do I pass variables by reference in JavaScript? I have 3 variables that I want to perform several operations to, so I want to put them in a for loop and perform the operations to each one. ...
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Dismissing a Presented View Controller

I have a theoretic question. Now İ'm reading Apple's ViewController guide. 13 Answers ...
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Haskell function composition (.) and function application ($) idioms: correct use

I have been reading Real World Haskell , and I am nearing the end, but a matter of style has been niggling at me to do with the (.) and ($) operators. ...
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Error to use a section registered as allowDefinition='MachineToApplication' beyond application level

The top line in all of my aspx pages in my /portal/ directory has this error message, and I know it's a common one. I have googled this error message to no end, and I see a lot of posts telling me to configure the /portal/ folder as an application in IIS (which I have), and more posts telling me I ...
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Change all files and folders permissions of a directory to 644/755

How would I change all files to 644 and all folders to 755 using chmod from the linux command prompt? (Terminal) 8 Answ...