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Specifying and saving a figure with exact size in pixels
...ray_r" as the colormap. I usually add vmin and vmax to specify the dynamic range but these are optional.
The end result is a png file of exactly the same pixel dimensions as the im array.
Note: the OP specified no axes, etc. which is what this solution does exactly. If one wants to add axes, ticks, ...
Can a Windows batch file determine its own file name?
...th character of the variable and then show show the next 4 characters. The range is 0 to the end of the variable string. So %Path% would be very long!
fIlEnAmE.bat
012345678901
However, this is not as sound as Jool's solution (%~x0) above.
My Evidence:
C:\bin>filename.bat
%0.......filename...
What's a good rate limiting algorithm?
... print "This should print 1,2,3... at about 2 per second."
for i in range(1,100):
PrintNumber(i)
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string c_str() vs. data()
...could internally hold a reference to shared string data, and the start/end range, avoiding the copy (and additional allocation) of the actual string data. The implementation would defer the copy until you call c_str or modify any of the strings. No copy would ever be made if the strigns involved are...
Detect iPad Mini in HTML5
...get a user's IP, but is it possible to get a user's mac address? Are those ranges different between iPad2's and iPad mini's?
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Compute a confidence interval from sample data
...ct options give (essentially) identical confidence intervals:
In [9]: a = range(10,14)
In [10]: mean_confidence_interval(a)
Out[10]: (11.5, 9.4457397432391215, 13.554260256760879)
In [11]: st.t.interval(0.95, len(a)-1, loc=np.mean(a), scale=st.sem(a))
Out[11]: (9.4457397432391215, 13.554260256760...
Change / Add syntax highlighting for a language in Sublime 2/3
...might want to take a look at. My main goal, besides trying to make a broad range of languages look as good as possible, was to identify as many different scopes as I could - many more than are included in the standard themes. While the JavaScript language definition isn't as thorough as Python's, fo...
Purpose of memory alignment
...orary register, shift right 3 bytes, then OR it with the result register.
Range
For any given address space, if the architecture can assume that the 2 LSBs are always 0 (e.g., 32-bit machines) then it can access 4 times more memory (the 2 saved bits can represent 4 distinct states), or the same am...
Accessing dict keys like an attribute?
...ust be string
>>>
is not. This gives you access to the entire range of printable characters or other hashable objects for your dictionary keys, which you do not have when accessing an object attribute. This makes possible such magic as a cached object metaclass, like the recipe from th...
Difference between HBase and Hadoop/HDFS
...onsider HBase when you’re loading data by key, searching data by key (or range), serving data by key, querying data by key or when storing data by row that doesn’t conform well to a schema.
Have a look at Do's and Don't of HBase from cloudera blog.
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