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best way to preserve numpy arrays on disk
...rge numpy arrays. I want to save them to the disk in a binary format, then read them back into memory relatively fastly. cPickle is not fast enough, unfortunately.
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How to format a string as a telephone number in C#
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@Paul Please read the problem definition: "I have a string "1112224444' it is a telephone number. I want to format as 111-222-4444 before I store it in a file".
– Sean
Mar 29 '11 at 16:45
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LINQ .Any VS .Exists - What's the difference?
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I later made a post in another thread where I listed all the Linq "equivalents" of the .NET 2 List<> instance methods.
– Jeppe Stig Nielsen
Dec 1 '15 at 8:44
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Accessing the web page's HTTP Headers in JavaScript
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It's not possible to read the current headers. You could make another request to the same URL and read its headers, but there is no guarantee that the headers are exactly equal to the current.
Use the following JavaScript code to get all the H...
How can I convert an RGB image into grayscale in Python?
I'm trying to use matplotlib to read in an RGB image and convert it to grayscale.
12 Answers
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C pointer to array/array of pointers disambiguation
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I should have re-read what I wrote. I meant 4 for each pointer. Thanks for the help!
– George
May 13 '09 at 18:59
4
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How to validate date with format “mm/dd/yyyy” in JavaScript?
..., I think the following date validation function is a little bit easier to read:
// Validates that the input string is a valid date formatted as "mm/dd/yyyy"
function isValidDate(dateString)
{
// First check for the pattern
if(!/^\d{1,2}\/\d{1,2}\/\d{4}$/.test(dateString))
return fa...
eval command in Bash and its typical uses
After reading the bash man pages and with respect to this post .
10 Answers
10
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Possible to perform cross-database queries with PostgreSQL?
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From what I can read, dblink doesn't handle the case where you want a query that spans two databases.
– Paul Tomblin
Mar 27 '12 at 0:04
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Standard way to embed version into python package?
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VERSIONFILE="myniftyapp/_version.py"
verstrline = open(VERSIONFILE, "rt").read()
VSRE = r"^__version__ = ['\"]([^'\"]*)['\"]"
mo = re.search(VSRE, verstrline, re.M)
if mo:
verstr = mo.group(1)
else:
raise RuntimeError("Unable to find version string in %s." % (VERSIONFILE,))
Then your setu...