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Linux command (like cat) to read a specified quantity of characters
....will extract the first 100 bytes and return them.
What's nice about using head for this is that the syntax for tail matches:
tail -c 100 file # returns the last 100 bytes in the file
You can combine these to get ranges of bytes. For example, to get the second 100 bytes from a file, read the f...
Error-Handling in Swift-Language
I haven't read too much into Swift but one thing I noticed is that there are no exceptions.
So how do they do error handling in Swift? Has anyone found anything related to error-handling?
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How do I add comments to package.json for npm install?
I've got a simple package.json file and I want to add a comment. Is there a way to do this, or are there any hacks to make this work?
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How to change the background color of a UIButton while it's highlighted?
At some point in my app I have a highlighted UIButton (for example when a user has his finger on the button) and I need to change the background color while the button is highlighted (so while the finger of the user is still on the button).
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Setting the MySQL root user password on OS X
I just installed MySQL on Mac OS X. The next step was setting the root user password, so I did this next:
23 Answers
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How can I find out the total physical memory (RAM) of my linux box suitable to be parsed by a shell
I'm typing a shell script to find out the total physical memory in some RHEL linux boxes.
13 Answers
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What is in your Mathematica tool bag? [closed]
We all know that Mathematica is great, but it also often lacks critical functionality. What kind of external packages / tools / resources do you use with Mathematica?
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How to remove unused C/C++ symbols with GCC and ld?
...verely ( ARM development) and
I noticed that in my current build scheme ( gcc + ld ) unused symbols are not getting stripped.
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ipython: print complete history (not just current session)
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In ipython enter:
%history -g
It does not print time codes but it does print session/line number.
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Separating class code into a header and cpp file
...r and cpp file. For example, how would I separate the code for the following class?
8 Answers
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