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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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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...
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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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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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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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...
How does database indexing work? [closed]
...the address of the actual record, which requires a further block access to read, bringing the total to 19 + 1 = 20 block accesses, a far cry from the 1,000,000 block accesses required to find a firstName match in the non-indexed table.
When should it be used?
Given that creating an index requires ...
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...
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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