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What is the difference between sigaction and signal?
I was about to add an extra signal handler to an app we have here and I noticed that the author had used sigaction() to set up the other signal handlers. I was going to use signal() . To follow convention I should use sigaction() but if I was writing from scratch, which should I choose?
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How to recognize USB devices in Virtualbox running on a Linux host? [closed]
...d filter from device, no devices is listed, even if an USB pen is attached and recognized by my Lubuntu 13.10. If i run the guest, nothing happens if I attach the device and, as above, no USB device is detected in Devices -> USB devices
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Can I recover a branch after its deletion in Git?
...branch? Is there a way to go back as if I didn't run the delete branch command?
20 Answers
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In Python, how do I read the exif data for an image?
...r python3 use Pillow. It is a fork of PIL, which is still being developed, and has a python3 compatible version
– Mzzl
Jan 15 '14 at 9:54
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Gradle: How to Display Test Results in the Console in Real Time?
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You could run Gradle with INFO logging level on the command line. It'll show you the result of each test while they are running. Downside is that you will get far more output for other tasks also.
gradle test -i
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How to test code dependent on environment variables using JUnit?
I have a piece of Java code which uses an environment variable and the behaviour of the code depends on the value of this variable. I would like to test this code with different values of the environment variable. How can I do this in JUnit?
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Where does the iPhone Simulator store its data?
I have a SQLite DB that I'm using to store app data, and I could do with taking a look inside it to debug a problem I'm having - but where does the iPhone Simulator store its data, typically?
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How to read a file into a variable in shell?
I want to read a file and save it in variable, but I need to keep the variable and not just print out the file.
How can I do this? I have written this script but it isn't quite what I needed:
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How to plot two histograms together in R?
I am using R and I have two data frames: carrots and cucumbers. Each data frame has a single numeric column which lists the length of all measured carrots (total: 100k carrots) and cucumbers (total: 50k cucumbers).
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Should I put #! (shebang) in Python scripts, and what form should it take?
...line in any script determines the script's ability to be executed like a standalone executable without typing python beforehand in the terminal or when double clicking it in a file manager (when configured properly). It isn't necessary but generally put there so when someone sees the file opened in ...