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What's the equivalent of Java's Thread.sleep() in JavaScript? [duplicate]
What's the equivalent of Java's Thread.sleep() in JavaScript?
9 Answers
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Exiting from python Command Line
To exit from Python command line, I have to type exit(). If I type exit, it says
11 Answers
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Is the primary key automatically indexed in MySQL?
Do you need to explicitly create an index, or is it implicit when defining the primary key? Is the answer the same for MyISAM and InnoDB?
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How to calculate time elapsed in bash script?
I print the start and end time using date +"%T" , which results in something like:
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The way to check a HDFS directory's size?
I know du -sh in common Linux filesystems. But how to do that with HDFS?
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Select random lines from a file
In a Bash script, I want to pick out N random lines from input file and output to another file.
4 Answers
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How do you use the Immediate Window in Visual Studio?
The Immediate Window is an immensely useful tool for debugging applications. It can be used to execute code statements that are valid in the context of a break point and inspect values. I also use it to type code snippets to learn language features.
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How to merge a list of lists with same type of items to a single list of items?
The question is confusing, but it is much more clear as described in the following codes:
4 Answers
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How to send cookies in a post request with the Python Requests library?
I'm trying to use the Requests library to send cookies with a post request, but I'm not sure how to actually set up the cookies based on its documentation. The script is for use on Wikipedia, and the cookie(s) that need to be sent are of this form:
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Why does MYSQL higher LIMIT offset slow the query down?
Scenario in short: A table with more than 16 million records [2GB in size]. The higher LIMIT offset with SELECT, the slower the query becomes, when using ORDER BY *primary_key*
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