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How to open the default webbrowser using java
...ted() doesn't work (windows 7 and ubuntu). Please try this to open browser from java code:
Windows:
Runtime rt = Runtime.getRuntime();
String url = "http://stackoverflow.com";
rt.exec("rundll32 url.dll,FileProtocolHandler " + url);
Mac
Runtime rt = Runtime.getRuntime();
String url = "http://s...
How do I split a multi-line string into multiple lines?
...ython, represents a Unix line-break (ASCII decimal code 10), independently from the platform where you run it. However, the linebreak representation is platform-dependent. On Windows, \n is two characters, CR and LF (ASCII decimal codes 13 and 10, AKA \r and \n), while on any modern Unix (including ...
Using IPython notebooks under version control
...e.ipynb, although it would at least keep git diff notebook_file.ipynb free from base64 garbage).
that said, incidentally if you do pull code (i.e. committed by someone else not using this approach) which contains some output, the output is checked out normally. Only the locally produced output is lo...
Setting the MySQL root user password on OS X
...er.
Mac OSX: System Preferences > MySQL > Stop MySQL Server
Linux (From Terminal): sudo systemctl stop mysqld.service
Start the server in safe mode with privilege bypass
From Terminal: sudo /usr/local/mysql/bin/mysqld_safe --skip-grant-tables
In a new terminal window:
sudo /usr/local/m...
How do I profile memory usage in Python?
... here: Python memory profiler
Basically you do something like that (cited from Guppy-PE):
>>> from guppy import hpy; h=hpy()
>>> h.heap()
Partition of a set of 48477 objects. Total size = 3265516 bytes.
Index Count % Size % Cumulative % Kind (class / dict of class)
...
What character to use to put an item at the end of an alphabetic list?
...ers because they can really mess up the things when you access your folder from terminal or programming languages. I had annoying issues using 末 or other special characters.
For example, using Python 2.7, this is how you will see your folders with the non-printable characters Ω, 末, 口,.
os...
Convert absolute path into relative path given a current directory using Bash
...
Using realpath from GNU coreutils 8.23 is the simplest, I think:
$ realpath --relative-to="$file1" "$file2"
For example:
$ realpath --relative-to=/usr/bin/nmap /tmp/testing
../../../tmp/testing
...
How do I remove all .pyc files from a project?
...
If you're using bash >=4.0 (or zsh)
rm **/*.pyc
Note that */*.pyc selects all .pyc files in the immediate first-level subdirectories while **/*.pyc recursively scans the whole directory tree. As an example, foo/bar/qux.pyc will be deleted by rm **/*.pyc but not by */*.pyc.
The globstar she...
How are everyday machines programmed?
...imple systems like that don't carry an operating system. They simply load from a start address in memory and you put your code there. Often these systems have their "code" burned into EEPROMS that act as the hard drive of the system. Screw up the code after burning the proms, throw the chips away...
Is there a max array length limit in C++?
...o a container that would otherwise use up all the available memory.
Apart from that, C++ doesn't enforce any limits.
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