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Intelligent point label placement in R
...oblem:
I did this by hand in Preview (very basic PDF/image viewer on OS m>X m>) in just a few minutes. (Edit: The workflow was em>x m>actly what you'd em>x m>pect: I saved the plot as a PDF from R, opened it in Preview and created tem>x m>tbom>x m>es with the desired labels (9pt Helvetica) and then just dragged them arou...
Learning Python from Ruby; Differences and Similarities
...es from the outer scope.
Python has list comprehensions, which are pretty em>x m>pressive. For em>x m>ample, if you have a list of numbers, you can write
[m>x m>*m>x m> for m>x m> in values if m>x m> > 15]
to get a new list of the squares of all values greater than 15. In Ruby, you'd have to write the following:
values....
fatal error: Python.h: No such file or directory
I am trying to build a shared library using a C em>x m>tension file but first I have to generate the output file using the command below:
...
How can I convert JSON to CSV?
......]
Here is my code to generate CSV from that:
import csv
import json
m>x m> = """[
{
"pk": 22,
"model": "auth.permission",
"fields": {
"codename": "add_logentry",
"name": "Can add log entry",
"content_type": 8
}
},
{
...
How to optimize for-comprehensions and loops in Scala?
...he problem in this particular case is that you return from within the for-em>x m>pression. That in turn gets translated into a throw of a NonLocalReturnEm>x m>ception, which is caught at the enclosing method. The optimizer can eliminate the foreach but cannot yet eliminate the throw/catch. And throw/catch is ...
How to profile a bash shell script slow startup?
...like to begin a trace in any Bash script):
PS4='+ $(date "+%s.%N")\011 '
em>x m>ec 3>&2 2>/tmp/bashstart.$$.log
set -m>x m>
add
set +m>x m>
em>x m>ec 2>&3 3>&-
at the end of ~/.bashrc (or at the end of the section of any Bash script you'd like tracing to stop). The \011 is an octal tab cha...
Can't install PIL after Mac OS m>X m> 10.9
...
Following worked for me:
ln -s /Applications/m>X m>code.app/Contents/Developer/Platforms/MacOSm>X m>.platform/Developer/SDKs/MacOSm>X m>10.9.sdk/System/Library/Frameworks/Tk.framework/Versions/8.5/Headers/m>X m>11 /usr/local/include/m>X m>11
sudo pip install pil
UPDATE:
But there is more cor...
MySQL mam>x m>imum memory usage
...possible to set an upper limit on the amount of memory MySQL uses on a Linum>x m> server.
6 Answers
...
Get operating system info
...
The code below could em>x m>plain in its own right, how http://thismachine.info/ is able to show which operating system someone is using.
What it does is that, it sniffs your core operating system model, for em>x m>ample windows nt 5.1 as my own.
It then ...
#define macro for debug printing in C?
... you use a C89 compiler
If you are stuck with C89 and no useful compiler em>x m>tension, then there isn't a particularly clean way to handle it. The technique I used to use was:
#define TRACE(m>x m>) do { if (DEBUG) dbg_printf m>x m>; } while (0)
And then, in the code, write:
TRACE(("message %d\n", var));
...