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Tag: macos

OS X UDP send error: 55 No buffer space available

While I was implementing RUDP in python3.3 on OSX10.9.1 I noticed that the following code actually does not do what it does on linux: (it doesn’t matter which language, same behavior for C, Java and C#/Mono) This code just keep writing a lot udp packets to 8.8.8.8, those packets get dropped after 4 hops so they should not reach the

How to undo rm -rf? [closed]

Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. This question does not appear to be about a specific programming problem, a software algorithm, or software tools primarily used by programmers. If you believe the question would be on-topic on another Stack Exchange site, you can leave a comment to explain where the question

Why Maven uses JDK 1.6 but my java -version is 1.7

I have setup maven in my terminal, and when getting the version settings (using mvn -v) it seems it uses JDK 1.6, while I have JDK 1.7 installed. Is there anything wrong? The commands I enter are these: Answer add the following to your ~/.mavenrc: Second Solution: echo export “JAVA_HOME=$(/usr/libexec/java_home)” >> ~/.bash_profile

Qt for Android on Mac or Linux build “Can not detect ndk toolchain…”

I have just installed SDK, NDK, JDK. When I type in Terminal: moroz@moroz:~/qt/qt5$ ./configure -developer-build -opensource -confirm-license -xplatform android-g++ -nomake tests -nomake examples -android-ndk android-ndk-r9/ -android-sdk android-sdk-linux/ -android-ndk-host linux-x86_64 -android-toolchain-version 4.8 -skip qttranslations -skip qtwebkit -skip qtserialport -skip qtwebkit-examples Then moroz@moroz:~/qt/qt5$ /home/moroz/qt/qt5/qtbase/configure -top-level -developer-build -opensource -confirm-license -xplatform android-g++ -nomake tests -nomake examples -android-ndk android-ndk-r9/ -android-sdk android-sdk-linux/ -android-ndk-host linux-x86_64 -android-toolchain-version 4.8

Easy way to fill in an Excel file with Python

Let us say I have an excel file called test.xlsx, which is a workbook with three sheets, where sheet1 is called hello1, sheet2 two is called hello2, and sheet3 is called bye. Now, I’d like to read the file, and then re-write the same file but ONLY change the values in (column B, row 11) of the sheet named hello2,

Create a hard link from a file handle on Unix?

If I’ve got a handle to an open file, is it possible to create a hard link to that file after all references to it have been removed from the filesystem? For example, something like this: Specifically, I’d like to do this so that I can safely write to large data files, then move them into place atomically without having

How should functionality that requires root privileges be added to a Common Lisp library?

Original Question I’m trying to create a Lisp library that can, among other things, edit my system’s /etc/hosts file and nginx configurations. The problem I’m facing is that, because my Lisp image operates as an unprivileged user, my library can’t do these things. Ideally, when root powers were needed I’d have the ability to provide a password to my library

connecting to amazon aws linux server by ssh on mac

I created a new keypair and downloaded it to my mac, then set up a new Amazon Linux AMI server with that keypair and my security group. Now I need to put the keypair .pem file that I downloaded in a .ssh file in my users folder? I am unable to create a folder called “.ssh” however because of the

Bash terminal and color output [closed]

Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Stack Overflow. Closed 10 years ago. Improve this question I have a shell with colors enabled: somefile contains escape characters for coloring. Now I want to output somefile to the terminal with its coloring. I tried: But

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