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How to avoid long nesting of asynchronous functions in Node.js
... look at flow-js, step and async and it seems that they only deal with the order of function execution. In my case there is access to inline closure variables in every indentation. So for example the functions work like this: get HTTP req/res, get userid from DB for cookie, get email for the later u...
Why use String.Format? [duplicate]
... You have {0} products in your basket.
3 Thank-you for your order. Your {0} will arrive in {1} working days.
vs:
_id _translation
1 Welcome
2 to
3 . Today is
4 .
5 You have
6 products in your basket.
7 ...
Sort a single String in Java
...a lot harder... hopefully you don't need this :) In addition, this is just ordering by ordinal, without taking capitalisation, accents or anything else into account.
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How can I autoformat/indent C code in vim?
...below, etc. All the options are controlled by command line parameters.
In order to use it in vim, just set the formatprg option to it, and then use the gq command. So, for example, I have in my .vimrc:
autocmd BufNewFile,BufRead *.cpp set formatprg=astyle\ -T4pb
so that whenever I open a .cpp fi...
Lost connection to MySQL server at 'reading initial communication packet', system error: 0
...
The problem on my case was MySQL being bind only to the lo on linux.
in order to solve the problem i have edited the my.cnf (found at /etc/mysql/my.cnf) removing the line bind-address=127.0.0.1
this allows mysql to bind to any network interface
...
Encapsulation vs Abstraction?
...escribing something in simpler terms, i.e abstracting away the details, in order to focus on what is important (This is also seen in abstract art, for example, where the artist focuses on the building blocks of images, such as colour or shapes). The same idea translates to OOP by using an inheritan...
How do I alter the position of a column in a PostgreSQL database table?
...on" in the PostgreSQL Wiki says:
PostgreSQL currently defines column
order based on the attnum column of
the pg_attribute table. The only way
to change column order is either by
recreating the table, or by adding
columns and rotating data until you
reach the desired layout.
That's ...
JSON.Net Self referencing loop detected
...
Add "[JsonIgnore]" to your model class
{
public Customer()
{
Orders = new Collection<Order>();
}
public int Id { get; set; }
public string Name { get; set; }
public string Surname { get; set; }
[JsonIgnore]
public ICollection<Order> Orders { get; set; }
}
...
How does one reorder columns in a data frame?
...s keep all the rows, and the 1,2,3,4 refers to the columns.
To change the order as in the above question do df2[,c(1,3,2,4)]
If you want to output this file as a csv, do write.csv(df2, file="somedf.csv")
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Reminder - \r\n or \n\r?
...ater look at a PC keyboard, see the key called "Enter," and get the letter order wrong!
– Rob Kennedy
Jun 30 '11 at 19:36
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