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How to replace spaces in file names using a bash script
... rename (aka prename) which is a Perl script which may be on your system already. Do it in two steps:
find -name "* *" -type d | rename 's/ /_/g' # do the directories first
find -name "* *" -type f | rename 's/ /_/g'
Based on Jürgen's answer and able to handle multiple layers of files and dir...
Get the POST request body from HttpServletRequest
...
if ("POST".equalsIgnoreCase(request.getMethod()))
{
test = request.getReader().lines().collect(Collectors.joining(System.lineSeparator()));
}
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What are OLTP and OLAP. What is the difference between them?
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Let's think of a hard drive as a really wide sheet of paper, where we can read and write things. There are two ways to organize our reads and writes so that they can be efficient and fast.
One way is to make a book that is a bit like a phone book. On each page of the book, we store the information...
Why do results vary based on curly brace placement?
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@SeanMcMillan I've definetly read articles about it but I can't seem to find any of them from a quick search. I remember that putting return /* and then */{ would effectively comment out the hidden semi-colon in older versions of chrome. Not sure if tha...
MySQL - why not index every field?
...umns is a good rule of thumb probably. But otherwise you could do a lot of reading it turns out if you want to become expert on indices. eg. stackoverflow.com/questions/3049283/…
– Andrew
Jan 11 '19 at 18:28
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“Large data” work flows using pandas
...f gigabytes of data in just this fashion
e.g. I have tables on disk that I read via queries, create data and append back.
It's worth reading the docs and late in this thread for several suggestions for how to store your data.
Details which will affect how you store your data, like:
Give as much de...
How to drop into REPL (Read, Eval, Print, Loop) from Python code
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When you're ready to switch to the dark side, ipython -i program.py is there for you.
– joeforker
Sep 9 '09 at 20:26
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MySQL Workbench: How to keep the connection alive
...-> SQL Editor and set to a higher value this parameter: DBMS connection read time out (in seconds). For instance: 86400.
Close and reopen MySQL Workbench. Kill your previously query that
probably is running and run the query again.
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The Concept of 'Hold space' and 'Pattern space' in sed
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When sed reads a file line by line, the line that has been currently read is inserted into the pattern buffer (pattern space). Pattern buffer is like the temporary buffer, the scratchpad where the current information is stored. When y...
Play audio file from the assets directory
... another. So, if you do
not specify where to start and how many bytes to read, the player will
read up to the end (that is, will keep playing all the files in assets
directory)
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