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How do you get the list of targets in a makefile?
I've used rake a bit (a Ruby make program), and it has an option to get a list of all the available targets, eg
20 Answers
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Replace all 0 values to NA
...a dataframe with some numeric columns. Some row has a 0 value which should be considered as null in statistical analysis. What is the fastest way to replace all the 0 value to NULL in R?
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How do I spool to a CSV formatted file using SQLPLUS?
...ited Apr 18 at 1:01
Daniel C. Sobral
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answered Feb 14 '17 at 21:55
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Add spaces before Capital Letters
Given the string "ThisStringHasNoSpacesButItDoesHaveCapitals" what is the best way to add spaces before the capital letters. So the end string would be "This String Has No Spaces But It Does Have Capitals"
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Converting unix timestamp string to readable date
...estamp (i.e. "1284101485") in Python, and I'd like to convert it to a readable date. When I use time.strftime , I get a TypeError :
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Plot two histograms on single chart with matplotlib
I created a histogram plot using data from a file and no problem. Now I wanted to superpose data from another file in the same histogram, so I do something like this
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Error “initializer element is not constant” when trying to initialize variable with const
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In C language, objects with static storage duration have to be initialized with constant expressions, or with aggregate initializers containing constant expressions.
A "large" object is never a constant expression in C, even if the object i...
How do I run a program with commandline arguments using GDB within a Bash script?
When running a program on GDB, usually, the arguments for the program are given at the run command. Is there a way to run the program using GDB and as well as give arguments within a shell script?
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QLabel: set color of text and background
How do I set color of text and background of a QLabel ?
6 Answers
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How to cherry-pick multiple commits
I have two branches. Commit a is the head of one, while the other has b , c , d , e and f on top of a . I want to move c , d , e and f to first branch without commit b . Using cherry pick it is easy: checkout first branch cherry-pick one by one c to f and rebase second branch on...