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How do I calculate the date six months from the current date using the datetime Python module?
...tage of this approach is that it takes care of issues with 28, 30, 31 days etc. This becomes very useful in handling business rules and scenarios (say invoice generation etc.)
$ date(2010,12,31)+relativedelta(months=+1)
datetime.date(2011, 1, 31)
$ date(2010,12,31)+relativedelta(months=+2)
dat...
Is a one column table good design? [closed]
.... state abbreviations; Zip codes that we ship to; words legal in Scrabble; etc.
2) Sparse binary attribute, ie., in a large table, a binary attribute that will be true for only a very few records. Instead of adding a new boolean column, I might create a separate table containing the keys of the re...
Counting the occurrences / frequency of array elements
...different objects is just gonna tell you there's a lot of [object Object]. Etc. etc.
– Jimbo Jonny
Feb 5 at 9:51
How c...
Understanding slice notation
...h','o','n']
>>> p[2:3] = 't'
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: can only assign an iterable
The second rule of slice assignment, which you can also see above, is that whatever portion of the list is returned by slice indexing, t...
Draw radius around a point in Google map
...t.
Draw a GPolygon with enough points to simulate a circle.
Generate a KML file by modifying http://www.nearby.org.uk/google/circle.kml.php?radius=30miles&lat=40.173&long=-105.1024 and then importing it. In Google Maps, you can just paste the URI in the search box and it will display on the...
Javascript object Vs JSON
... use JSON if the "thing" needs to be generated on the server, and use a js file if the "thing" is just served as-is. The other big differentiator is whether you need to include functions and/or dates, as JSON can't represent them, so you must resort to serving a JS file. If you're still unsure, feel...
What does the C++ standard state the size of int, long type to be?
...om for caution, and probably for writing and using a function int get_char(FILE *fp, char *c) which returns EOF or 0 and sets *c.
– Jonathan Leffler
Jan 2 '14 at 19:19
2
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PDO Prepared Inserts multiple rows in single query
... $data arrays the array_merge function becomes prohibitively slow. My test file to create the $data array has 28 cols and is about 80,000 lines. The final script took 41s to complete.
Using array_push() to create $insert_values instead of array_merge() resulted in a 100X speed up with execution tim...
Get name of current class?
...:
__metaclass__ = InputAssigningMetaclass
class foo(MyBaseFoo):
# etc, no need to create 'input'
class foo2(MyBaseFoo):
# etc, no need to create 'input'
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Disable double-tap “zoom” option in browser on touch devices
...=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
etc...
</head>
I've used that very recently and it works fine on iPad. Haven't tested on Android or other devices (because the website will be displayed on iPad only).
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