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How exactly does a generator comprehension work?
...iterables, something like a cursor which moves on a resource. If you know mysql cursor or mongodb cursor, you may be aware of that the whole actual data never gets loaded into the memory at once, but one at a time. Your cursor moves back and forth, but there is always a one row/list element in memo...
CSS background-image - What is the correct usage?
...out of the CSS folder tree you should use absolute path or relative to the root path (starting with /)
3) you should use complete declaration for background-image to make it behave consistently across standards compliant browsers like:
background:blue url('/images/clouds.jpg') no-repeat scroll lef...
How can I create a self-signed cert for localhost?
...cking around, you can do: sudo security add-trusted-cert -p ssl -d -r trustRoot -k ~/Library/Keychains/login.keychain localhost.crt
– philfreo
Apr 8 '16 at 0:50
1
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How can I query a value in SQL Server XML column
...
select
Roles
from
MyTable
where
Roles.value('(/root/role)[1]', 'varchar(max)') like 'StringToSearchFor'
These pages will show you more about how to query XML in T-SQL:
Querying XML fields using t-sql
Flattening XML Data in SQL Server
EDIT
After playing with it a little b...
In the shell, what does “ 2>&1 ” mean?
.../tmp /tnt
ls: cannot access /tnt: No such file or directory
drwxrwxrwt 118 root root 196608 Jan 7 11:49 /tmp
$ ls -ld /tmp /tnt >/dev/null
ls: cannot access /tnt: No such file or directory
$ ls -ld /tmp /tnt 2>/dev/null
drwxrwxrwt 118 root root 196608 Jan 7 11:49 /tmp
(Expecting you don't...
How to set the context path of a web application in Tomcat 7.0
I know that I can rename my webapp (or it's WAR file) to ROOT but this is a terrible way to do it, IMHO. Now I checked out the tomcat doc & it says
...
Pseudo-terminal will not be allocated because stdin is not a terminal
...ee: check if file exists on remote host with ssh).
# version 1
unset DEP_ROOT REL_DIR
DEP_ROOT='/tmp'
datestamp=$(date +%Y%m%d%H%M%S)
REL_DIR="${DEP_ROOT}/${datestamp}"
ssh localhost /bin/bash <<EOF
if [ ! -d "$DEP_ROOT" ] && [ ! -e "$DEP_ROOT" ]; then
echo "creating the root dir...
SQL statement to select all rows from previous day
...microsoft.com/en-us/library/ms189794.aspx) the question you link to is for MySql, which I guess works differently as you have found. You will find that SQL is not completely interchangeable, there are many differences like this between different vendors, especially regarding date handling.
...
How to list running screen sessions?
...ntle ~ # ls -laR /var/run/screen/
/var/run/screen/:
total 1
drwxrwxr-x 4 root utmp 96 Mar 1 2005 .
drwxr-xr-x 10 root root 840 Feb 1 03:10 ..
drwx------ 2 josh users 88 Jan 13 11:33 S-josh
drwx------ 2 root root 48 Feb 11 10:50 S-root
/var/run/screen/S-josh:
total 0
drwx------ 2 josh u...
Difference between static STATIC_URL and STATIC_ROOT on Django
I am confused by static root and want to clarify things.
3 Answers
3
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