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How to delete duplicate lines in a file without sorting it in Unix?
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'$!N; /^(.*)\n\1$/!P; D' means "If you're not at the last line, read in another line. Now look at what you have and if it ISN'T stuff followed by a newline and then the same stuff again, print out the stuff. Now delete the stuff (up to the newline)."...
How to style input and submit button with CSS?
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http://jsfiddle.net/vfUvZ/
Here's a starting point
CSS:
input[type=text] {
padding:5px;
border:2px solid #ccc;
-webkit-border-radius: 5px;
border-radius: 5px;
}
input[type=text]:focus {
border-color:#333;
}
i...
How to use R's ellipsis feature when writing your own function?
...20
int [1:10] 21 22 23 24 25 26 27 28 29 30
$a
Min. 1st Qu. Median Mean 3rd Qu. Max.
1.00 3.25 5.50 5.50 7.75 10.00
$b
Min. 1st Qu. Median Mean 3rd Qu. Max.
11.0 13.2 15.5 15.5 17.8 20.0
$c
Min. 1st Qu. Median Mean 3rd Qu. Max.
...
How to upload a file to directory in S3 bucket using boto
...boto
import boto.s3
import sys
from boto.s3.key import Key
AWS_ACCESS_KEY_ID = ''
AWS_SECRET_ACCESS_KEY = ''
bucket_name = AWS_ACCESS_KEY_ID.lower() + '-dump'
conn = boto.connect_s3(AWS_ACCESS_KEY_ID,
AWS_SECRET_ACCESS_KEY)
bucket = conn.create_bucket(bucket_name,
location=boto.s3.co...
Errors: “INSERT EXEC statement cannot be nested.” and “Cannot use the ROLLBACK statement within an I
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do you have any idea what the technical reason is for not allowing it? I can't find any info on this.
– jtate
Feb 15 '19 at 21:29
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Search for one value in any column of any table inside a database
Is there a way to search for one value (in my case it is a UID of the type char(64) ) inside any column of any table inside one MS SQL Server database?
...
What is the difference between Tomcat, JBoss and Glassfish?
...Java EE enterprise applications.
Some things to consider:
A web Server means: Handling HTTP requests (usually from
browsers).
A Servlet Container (e.g. Tomcat) means: It can handle
servlets & JSP.
An Application Server (e.g. GlassFish) means: *It can manage
Java EE applicatio...
Is there a conditional ternary operator in VB.NET?
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what is it means ? If (condition,true-part,false-part). may i rite ?
– kbvishnu
Jan 20 '12 at 10:21
10
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Iterate over model instance field names and values in template
...:
from django.forms.models import model_to_dict
def show(request, object_id):
object = FooForm(data=model_to_dict(Foo.objects.get(pk=object_id)))
return render_to_response('foo/foo_detail.html', {'object': object})
in the template add:
{% for field in object %}
<li><b>{{...
Extract public/private key from PKCS12 file for later use in SSH-PK-Authentication
...:mypassword. stackoverflow.com/a/27497899/206277
– nidheeshdas
Feb 7 '16 at 7:01
2
@ChristopherK...