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Converting a generic list to a CSV string
I have a list of integer values (List) and would like to generate a string of comma delimited values. That is all items in the list output to a single comma delimted list.
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ssh “permissions are too open” error
...uldn't save any kind of file on the disk anymore.
I had to reboot OSX lion and reset the permissions on files and acls.
27 ...
Explicit vs implicit SQL joins
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How do you deprecate the SQL standard?
– David Crawshaw
Sep 30 '09 at 9:10
7
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The difference between sys.stdout.write and print?
...t formats the inputs (modifiable, but by default with a space between args and newline at the end) and calls the write function of a given object. By default this object is sys.stdout, but you can pass a file using the "chevron" form. For example:
print >> open('file.txt', 'w'), 'Hello', 'Wor...
Automatic counter in Ruby for each?
I want to use a for-each and a counter:
8 Answers
8
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How to concatenate stdin and a string?
... pipe to accept stdout from echo "input" as stdin to another process / command:
echo "input" | awk '{print $1"string"}'
Output:
inputstring
What task are you exactly trying to accomplish? More context can get you more direction on a better solution.
Update - responding to comment:
@NoamRoss
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... targeting a browser that is NOT IE you have to use 2 comments, one before and one after the code. IE will ignore the code between them, whereas other browsers will treat it as normal code. The syntax for targeting non-IE browsers is therefore:
<!--[if !IE]-->
IE ignores this
<!--[endif]--...
How can prepared statements protect from SQL injection attacks?
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The idea is very simple - the query and the data are sent to the database server separately.
That's all.
The root of the SQL injection problem is in the mixing of the code and the data.
In fact, our SQL query is a legitimate program.
And we are creating s...
Can my enums have friendly names? [duplicate]
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You can use the System.ComponentModel.DataAnnotations and add an display attr. (like: [Display(Name = "This Name doesn't work")])
– Cas Bloem
Jan 18 '16 at 16:17
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Get top n records for each group of grouped results
...have more than two groups, then you would need to specify the group number and add queries for each group:
(
select *
from mytable
where `group` = 1
order by age desc
LIMIT 2
)
UNION ALL
(
select *
from mytable
where `group` = 2
order by age desc
LIMIT 2
)
There are a variet...