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How to use redis PUBLISH/SUBSCRIBE with nodejs to notify clients when data values change?
...cal/bin:$PATH' >> ~/.bashrc
. ~/.bashrc
mkdir ~/local
mkdir ~/node-latest-install
cd ~/node-latest-install
curl http://nodejs.org/dist/node-latest.tar.gz | tar xz --strip-components=1
./configure --prefix=~/local
make install # ok, fine, this step probably takes more than 30 seconds...
curl ht...
Inserting a Python datetime.datetime object into MySQL
...on MySQL. Just format the date and try it as a separate direct SQL call to test.
In Python, you can get an ISO date like
now.isoformat()
For instance, Oracle likes dates like
insert into x values(99, '31-may-09');
Depending on your database, if it is Oracle you might need to TO_DATE it:
inse...
Regex lookahead, lookbehind and atomic groups
...info/lookaround.html
http://www.rexegg.com/regex-lookarounds.html
Online testers
https://regex101.com
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'No Transport' Error w/ jQuery ajax call in IE
...
I tested this on Windows Mobile 7.
After LOTS of time spent to understand, I finally found this:
http://bugs.jquery.com/ticket/10660
The Solution is simple, just set this:
$.support.cors = true;
and Ajax cross domain requ...
Number of rows affected by an UPDATE in PL/SQL
...eate table client (
val_cli integer
,status varchar2(10)
)
/
We would test it this way:
begin
dbms_output.put_line('Value when entering the block:'||sql%rowcount);
insert into client
select 1, 'void' from dual
union all select 4, 'void' from dual
union all select 1, 'void...
.NET Process.Start default directory?
...FileName = @"Notepad.exe";
_processStartInfo.Arguments = "test.txt";
_processStartInfo.CreateNoWindow = true;
Process myProcess = Process.Start(_processStartInfo);
There is also an Environment variable that controls the current working directory for your process that you can a...
Using Git, show all commits that are in one branch, but not the other(s)
... Note that git log foo..bar will show the commits between bar's latest and foo's latest, but not other commits missing from further back in time. To see everything in bar but not in foo, you should use @jimmyorr's solution.
– Paul A Jungwirth
Jul 10 '1...
datetime dtypes in pandas read_csv
...ters. parse_dates is helpful and handles bad data but is slower due to it testing and inferring each value gist.github.com/gjreda/7433f5f70299610d9b6b
– Davos
Apr 5 '18 at 7:42
...
How do you commit code as a different user?
...commit-z = -c user.name='My Z Name' -c user.email='mr_z@email.com' commit
Test it
git commit -m "Custom message with committer and author My Name <default@email.com>"
git commit-x -m "Custom message with committer and author My X Name <mr_x@email.com>"
git commit-y -m "Custom message wi...
“From View Controller” disappears using UIViewControllerContextTransitioning
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wow. That did it! I tested without modalPresentationStyle in iOS7 & 8 and it works find in both. Thanks!!
– Ah Ryun Moon
Sep 9 '14 at 23:26
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