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What does character set and collation mean exactly?
...ation
of all four letters and their
encodings is a character set.
Now, suppose that we want to compare
two string values, 'A' and 'B'. The
simplest way to do this is to look at
the encodings: 0 for 'A' and 1 for
'B'. Because 0 is less than 1, we say
'A' is less than 'B'. Now, what...
How to convert SQL Query result to PANDAS Data Structure?
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Edit: Mar. 2015
As noted below, pandas now uses SQLAlchemy to both read from (read_sql) and insert into (to_sql) a database. The following should work
import pandas as pd
df = pd.read_sql(sql, cnxn)
Previous answer:
Via mikebmassey from a similar question
imp...
Python os.path.join on Windows
...the separator. It's pointless to use with os.path.join() since it already knows the right separator. It's also pointless if you end up needing to explicitly specify the root directory by name (as you can see in your own example). Why do "c:" + os.sep instead of simply "c:\\", or os.sep + "usr" inste...
Download attachments using Java Mail
Now that I`ve downloaded all the messages, and store them to
4 Answers
4
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PHP calculate age
...:createFromFormat('d/m/Y', '12/02/1973', $tz)
->diff(new DateTime('now', $tz))
->y;
As of PHP 5.3.0 you can use the handy DateTime::createFromFormat to ensure that your date does not get mistaken for m/d/Y format and the DateInterval class (via DateTime::diff) to get the number of ...
Integrating Dropzone.js into existing HTML form with other fields
... a HTML form which users fill in details of an advert they wish to post. I now want to be able to add a dropzone for uploading images of the item for sale.
...
Standardize data columns in R
...)
EDIT 3 (2020): Thanks to @mj_whales: the old solution is deprecated and now we need to use mutate_at.
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How to [recursively] Zip a directory in PHP?
... @Danjah: I've updated the code, should work for both *nix and Windows now.
– Alix Axel
Oct 18 '11 at 23:38
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Injecting a mock into an AngularJS service
...ck the functions on the service as needed using Jasmine's spyOn function.
Now, if the service itself is a function, and not an object that you can use spyOn with, there's another way to go about it. I needed to do this, and found something that works pretty well for me. See How do you mock Angular ...
Displaying better error message than “No JSON object could be decoded”
...ew error message format. I don’t have time to track exact releases right now however.
– Martijn Pieters♦
Mar 14 at 0:29
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