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How to escape single quotes within single quoted strings
... alias splitpath='echo $PATH | awk -F : '"'"'{print "PATH is set to"} {for (i=1;i<=NF;i++) {print "["i"]",$i}}'"'" It works when there are both single quotes and double quotes in the alias string!
– Uphill_ What '1
Jun 1 '11 at 10:09
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What is the most efficient string concatenation method in python?
Is there any efficient mass string concatenation method in Python (like StringBuilder in C# or StringBuffer in Java)? I found following methods here :
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What integer hash function are good that accepts an integer hash key?
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The problem with this is that it's common to have large sets of integers that are divisible by a common factor (word-aligned memory adresses etc.). Now if your hash table happens to be divisible by the same factor, you end up with only half (or 1/4, 1/8, etc.) buckets used.
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How to debug Spring Boot application with Eclipse?
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I didn't need to set up remote debugging in order to get this working, I used Maven.
Ensure you have the Maven plugin installed into Eclipse.
Click Run > Run Configurations > Maven Build > new launch configuration:
Base directory...
Emacs mode for Stack Overflow's markdown
...Text which lets you edit textareas with an external editor. Here is how to set it up:
Install markdown-mode. If you use Debian or Ubuntu you can install it by issuing
sudo apt-get install emacs-goodies-el
or if you're on emacs 24 (or have package.el on emacs 23) and Marmalade or Melpa you can i...
How to initialize log4j properly?
...the classpath.
You can control which file it uses to initialize itself by setting system properties as described here (Look for the "Default Initialization Procedure" section).
For example:
java -Dlog4j.configuration=customName ....
Will cause log4j to look for a file called customName on the ...
How to use the pass statement?
...steps outside of the conditional statements. In the example above, flag is set in the two specifically mentioned cases, but not in the else-case. Without using pass, a future programmer might move flag = True to outside the condition—thus setting flag in all cases.
Another case is with the boil...
How to iterate over rows in a DataFrame in Pandas
I have a DataFrame from Pandas:
22 Answers
22
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How can I get the version defined in setup.py (setuptools) in my package?
How could I get the version defined in setup.py from my package (for --version , or other purposes)?
16 Answers
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Find files and tar them (with spaces)
...t, so simple problem here. I'm working on a simple back up code. It works fine except if the files have spaces in them. This is how I'm finding files and adding them to a tar archive:
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