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How to create a directory and give permission in single command
How to create a directory and give permission in single command in Linux?
8 Answers
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java.sql.SQLException: Incorrect string value: '\xF0\x9F\x91\xBD\xF0\x9F…'
I have the following string value: "walmart obama ????????"
11 Answers
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Combining node.js and Python
Node.js is a perfect match for our web project, but there are few computational tasks for which we would prefer Python. We also already have a Python code for them.
We are highly concerned about speed, what is the most elegant way how to call a Python "worker" from node.js in an asynchronous non-blo...
How to set auto increment primary key in PostgreSQL?
I have a table in PostgreSQL with 22 columns, and I want to add an auto increment primary key.
7 Answers
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How do I test if a string is empty in Objective-C?
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You can check if [string length] == 0. This will check if it's a valid but empty string (@"") as well as if it's nil, since calling length on nil will also return 0.
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How to check for a valid Base64 encoded string
Is there a way in C# to see if a string is Base 64 encoded other than just trying to convert it and see if there is an error? I have code code like this:
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Facebook share button and custom text [closed]
Is there any way to make facebook share button which post custom text on the wall or news feed?
9 Answers
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How can I restore the MySQL root user’s full privileges?
I accidentally removed some of the privileges from my MySQL root user, including the ability to alter tables. Is there some way I can restore this user to its original state (with all privileges)?
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How can I see which Git branches are tracking which remote / upstream branch?
... do git branch --all , and that shows me both local and remote branches, but it's not that useful in showing me the relationships between them.
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How can I check if an ip is in a network in Python?
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This article shows you can do it with socket and struct modules without too much extra effort. I added a little to the article as follows:
import socket,struct
def makeMask(n):
"return a mask of n bits as a long integer"
return (2L<...