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SQL join on multiple columns in same tables
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206
Join like this:
ON a.userid = b.sourceid AND a.listid = b.destinationid;
...
How do I add a path to PYTHONPATH in virtualenv
...e?
– Jamie Marshall
Jan 6 '19 at 23:08
you can also navigate to your virtual environment's site-packages folder and cr...
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...
Can existing virtualenv be upgraded gracefully?
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answered Jan 31 '10 at 8:48
Lennart RegebroLennart Regebro
139k3737 gold badges203203 silver badges239239 bronze badges
...
Get number of digits with JavaScript
...hematically. For positive integers there is a wonderful algorithm with log10:
var length = Math.log(number) * Math.LOG10E + 1 | 0; // for positive integers
For all types of integers (including negatives) there is a brilliant optimised solution from @Mwr247, but be careful with using Math.log10, ...
What does the > (greater than bracket) mean beside file names in Eclipse's Package Explorer?
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130
It means the file has been modified as compared to the version in your source control repository...
.NET HttpClient. How to POST string value?
...))
{
client.BaseAddress = new Uri("http://localhost:6740");
var content = new FormUrlEncodedContent(new[]
{
new KeyValuePair<string, string>("", "login")
});
var result = await client.PostAsync("/api/Membership...
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...
How to format current time using a yyyyMMddHHmmss format?
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250
Use
fmt.Println(t.Format("20060102150405"))
as Go uses following constants to format date,ref...