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What is recursion and when should I use it?
...o come up regularly on mailing lists and online discussions is the merits (or lack thereof) of doing a Computer Science Degree. An argument that seems to come up time and again for the negative party is that they have been coding for some number of years and they have never used recursion.
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How can I present a file for download from an MVC controller?
In WebForms, I would normally have code like this to let the browser present a "Download File" popup with an arbitrary file type, like a PDF, and a filename:
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How to paste yanked text into the Vim command line
... of what you can do with registers. What you can do with registers is extraordinary, and once you know how to use them you cannot live without them.
Registers are basically storage locations for strings. Vim has many registers that work in different ways:
0 (yank register: when you use y in norma...
What is the garbage collector in Java?
I am new to Java and confused about the garbage collector in Java. What does it actually do and when does it comes into action. Please describe some of the properties of the garbage collector in Java.
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Build Android Studio app via command line
..., you can simply use the gradlew script found in the root of your project (or gradlew.bat on Windows) followed by the name of the task you want to run. For instance, to build a debug version of your Android application, you can run ./gradlew assembleDebug from the root of your repository. In a defau...
abort: no username supplied (see “hg help config”)
I have added repository and at the time of commit I get error as
6 Answers
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select * vs select column
...CT * instead of providing those columns in select query, is there any performance degradation regarding more/less I/O or memory?
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Why I can't change directories using “cd”?
I'm trying to write a small script to change the current directory to my project directory:
31 Answers
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How to change time and timezone in iPhone simulator?
How do I change time and time zone in the iPhone simulator?
11 Answers
11
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How to replace (or strip) an extension from a filename in Python?
Is there a built-in function in Python that would replace (or remove, whatever) the extension of a filename (if it has one) ?
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