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SQL join on multiple columns in same tables
...
206
Join like this:
ON a.userid = b.sourceid AND a.listid = b.destinationid;
...
conditional unique constraint
...this. The difference is, you'll return false if Status = 1 and Count > 0.
http://msdn.microsoft.com/en-us/library/ms188258.aspx
CREATE TABLE CheckConstraint
(
Id TINYINT,
Name VARCHAR(50),
RecordStatus TINYINT
)
GO
CREATE FUNCTION CheckActiveCount(
@Id INT
) RETURNS INT AS BEGIN
DE...
Couldn't connect to server 127.0.0.1:27017
...ottTrott
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What encoding/code page is cmd.exe using?
...e start of each file for
a UTF-16LE Byte Order Mark
(BOM), i.e. the bytes 0xFF 0xFE.
If it finds such a
mark, it displays the Unicode characters in the file using WriteConsoleW
regardless of the current codepage. But when typeing any file without a
UTF-16LE BOM, or for using non-ASCII characters wi...
Excel VBA - exit for loop
...ExcelHero Done
– nixda
Mar 27 at 15:01
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How do I get the localhost name in PowerShell?
... I get the localhost (machine) name in PowerShell? I am using PowerShell 1.0.
7 Answers
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How to tell Maven to disregard SSL errors (and trusting all certs)?
...es.
-Dmaven.wagon.http.ssl.allowall=true - enable match of the server's X.509 certificate with hostname. If disabled, a browser like check will be used.
-Dmaven.wagon.http.ssl.ignore.validity.dates=true - ignore issues with certificate dates.
Official documentation: http://maven.apache.org/wagon/w...
How does _gaq.push(['_trackPageLoadTime']) work?
...
Edit: As of November 16th 2011, the _trackPageLoadTime function has been deprecated and its functionality has been set as a default setting. (Functionally speaking, it has gone from being an opt-in feature to being an opt-out feature.)
_setSiteSpeedSa...
Which terminal command to get just IP address and nothing else?
...
You can write a script that only return the IP like:
/sbin/ifconfig eth0 | grep 'inet addr' | cut -d: -f2 | awk '{print $1}'
For MAC:
ifconfig | grep "inet " | grep -v 127.0.0.1 | cut -d\ -f2
Or for linux system
hostname -i | awk '{print $3}' # Ubuntu
hostname -i # Debian
...
Why does running the Flask dev server run itself twice?
...o away, but then you also lose the reloading functionality:
app.run(port=4004, debug=config.DEBUG, host='0.0.0.0', use_reloader=False)
You can disable the reloader when using the flask run command too:
FLASK_DEBUG=1 flask run --no-reload
You can look for the WERKZEUG_RUN_MAIN environment varia...