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How to delete a record in Django models?
I want to delete a particular record. Such as
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Making a Location object in Android with latitude and longitude values
I have a program in which latitude and longitude values of a location are stored in a database, which I download.
3 Answer...
“Delegate subtraction has unpredictable result” in ReSharper/C#?
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Callback functions in C++
In C++, when and how do you use a callback function?
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Format in kotlin string templates
Kotlin has an excellent feature called string templates. I really love it.
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Using HeapDumpOnOutOfMemoryError parameter for heap dump for JBoss
I was told I can add the -XX:+HeapDumpOnOutOfMemoryError parameter to my JVM start up options to my JBoss start up script to get a heap dump when we get an out of memory error in our application. I was wondering where this data gets dumped? Is it just to the console, or to some log file? If it'...
How to sort with a lambda?
I'd like to use a lambda function to sort custom classes in place of binding an instance method. However, the code above yields the error:
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:after vs. ::after
Is there any functional difference between the CSS 2.1 :after and the CSS 3 ::after pseudo-selectors (other than ::after not being supported in older browsers)? Is there any practical reason to use the newer specification?
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Rails migrations: self.up and self.down versus change
Looks like the new rails version has "change" versus self.up and self.down methods.
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Nginx not picking up site in sites-enabled?
After over 10 hours of research I have not figured out why this doesn't work! I am trying to move my localhost to my sites-enabled folder which is in /etc/nginx/sites-enabled/default.
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