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Java enum - why use toString instead of name
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It really depends on what you want to do with the returned value:
If you need to get the exact name used to declare the enum constant, you should use name() as toString may have been overriden
If you want to print the enum constant in a user fr...
Linq to Entities - SQL “IN” clause
...rstand the concept of lambda expressions or delegates to really figure out what's going on, but as you can see, this condenses the code a fair amount.
It all comes down to your coding style and preference - all three of my examples do the same thing slightly differently.
An alternative way doesn't...
How to add items to a spinner in Android?
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What is array_spinner? name of the array is arraySpinner. is it spelling mistake or it has to be like that only>
– SurajS
Feb 3 '15 at 9:22
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How to delete or add column in SQLITE?
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What about foreign references? Oracle would complain if you delete a table that some other table is using.
– Leos Literak
Jul 25 '16 at 16:41
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How do I prevent site scraping? [closed]
...xtraction), it helps to know how these scrapers work, and
, by extension, what prevents them from working well.
There's various types of scraper, and each works differently:
Spiders, such as Google's bot or website copiers like HTtrack, which recursively follow links to other pages in order to g...
E11000 duplicate key error index in mongodb mongoose
...ir data ...and my database is happy because it is being used nicely ...but what about you ? I am yet to give you the code that made the schema .
Here is the code :
NOTE : The sparse property in email , is what tells my database to allow null values which will later be filled with unique values .
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Effective method to hide email from spam bots
... offer them as long as they can profit with data from it and once they got what they need they drop it. Most unreliable company to offer free services. I'd stay away from Google's or anyone elses services if you need to relay on whatever you're trying to do.
– masi
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How to convert DOS/Windows newline (CRLF) to Unix newline (LF) in a Bash script?
...is seemed like the most elegant solution but the lack of explanation about what wq means is unfortunate.
– Jorrick Sleijster
Feb 23 '19 at 12:23
6
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count number of lines in terminal output
...| wc -l
Will return 1 and
$ echo -n "asd" | wc -l
Will return 0
So what I often use is grep <anything> -c
$ echo "asd" | grep "^.*$" -c
1
$ echo -n "asd" | grep "^.*$" -c
1
This is closer to reality than what wc -l will return.
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Reading a UTF8 CSV file with Python
...r the csv module in particular, you need to pass in utf-8 data, and that's what you're already getting, so your code can be much simpler:
import csv
def unicode_csv_reader(utf8_data, dialect=csv.excel, **kwargs):
csv_reader = csv.reader(utf8_data, dialect=dialect, **kwargs)
for row in csv_...