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Difference between Git and GitHub
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Git is a revision control system, a tool to manage your source code history.
GitHub is a hosting service for Git repositories.
So they are not the same thing: Git is the tool, GitHub is the service for projects that use Git.
To get your code to GitHub, have a look here.
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What is the purpose of class methods?
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Class methods are for when you need to have methods that aren't specific to any particular instance, but still involve the class in some way. The most interesting thing about them is that they can be overridden by subclasses, something that's s...
Rename specific column(s) in pandas
...a dataframe called data . How would I rename the only one column header? For example gdp to log(gdp) ?
5 Answers
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difference between socket programming and Http programming
...ation protocol. It basically means that HTTP itself can't be used to transport information to/from a remote end point. Instead it relies on an underlying protocol which in HTTP's case is TCP.
You can read more about OSI layers if you are interested.
Sockets on the other hand are an API that most...
What does -D_XOPEN_SOURCE do/mean?
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When you do
#define _XOPEN_SOURCE <some number>
or
cc -D_XOPEN_SOURCE=<some number>
it tells your compiler to include definitions for some extra functions that are defined in the X/Open and POSIX standards.
This will give you some extra functionality that exists ...
Is there a unique Android device ID?
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Settings.Secure#ANDROID_ID returns the Android ID as an unique for each user 64-bit hex string.
import android.provider.Settings.Secure;
private String android_id = Secure.getString(getContext().getContentResolver(),
Secure.ANDROID_...
“The underlying connection was closed: An unexpected error occurred on a send.” With SSL Certificate
...get this exception "THE UNDERLYING CONNECTION WAS CLOSED: AN UNEXPECTED ERROR OCCURRED ON A SEND" in my logs and it is breaking our OEM integration with our email marketing system at random times varying from [1hour - 4 hours]
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Is it good practice to NULL a pointer after deleting it?
I'll start out by saying, use smart pointers and you'll never have to worry about this.
18 Answers
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Text size and different android screen sizes
...ow, it was discussed already 1000 times, but I can't adjust the text size for different screen sizes. I try to use 'sp' as size units in my custom style:
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Why is the apt-get function not working in the terminal on Mac OS X v10.9 (Mavericks)?
...on
Use Homebrew to install packages that you would otherwise use apt-get for.
The page I linked to has an up-to-date way of installing homebrew, but at present, you can install Homebrew as follows:
Type the following in your Mac OS X terminal:
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubuserc...