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Why are preprocessor macros evil and what are the alternatives?
...e" in macros, say we have this:
#define safe_divide(res, x, y) if (y != 0) res = x/y;
and then
if (something) safe_divide(b, a, x);
else printf("Something is not set...");
It actually becomes completely the wrong thing....
Replacement: real functions.
3) Macros have no namespace
If we ...
Why can't an anonymous method be assigned to var?
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edited Feb 11 '11 at 7:03
answered Feb 11 '11 at 6:58
Er...
jQuery UI: Datepicker set year range dropdown to 100 years
Using the Datepicker the year drop down by default shows only 10 years. The user has to click the last year in order to get more years added.
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open() in Python does not create a file if it doesn't exist
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830
You should use open with the w+ mode:
file = open('myfile.dat', 'w+')
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How do you debug a regex? [closed]
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answered Feb 27 '10 at 19:49
MickMick
12.5k99 gold badges6161 silver badges117117 bronze badges
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How do I check if a variable exists in a list in BASH
...tains() {
[[ $1 =~ (^|[[:space:]])$2($|[[:space:]]) ]] && exit(0) || exit(1)
}
to use it:
contains aList anItem
echo $? # 0： match, 1: failed
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How to count objects in PowerShell?
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206
This will get you count:
get-alias | measure
You can work with the result as with object:
$...
Hide/Show Column in an HTML Table
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answered Jan 19 '09 at 14:16
bobincebobince
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Setting the zoom level for a MKMapView
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201
I found myself a solution, which is very simple and does the trick. Use MKCoordinateRegionMakeW...
Entity Framework 4 / POCO - Where to start? [closed]
...disadvantages of a POCO approach.
http://blogs.msdn.com/b/adonet/archive/2009/05/21/poco-in-the-entity-framework-part-1-the-experience.aspx
http://blogs.msdn.com/b/adonet/archive/2009/05/28/poco-in-the-entity-framework-part-2-complex-types-deferred-loading-and-explicit-loading.aspx
http://blogs.m...