大约有 24,971 项符合查询结果（耗时：0.0414秒） [XML]
How to delete a record in Django models?
I want to delete a particular record. Such as
5 Answers
5
...
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...
Format in kotlin string templates
Kotlin has an excellent feature called string templates. I really love it.
6 Answers
...
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:
...
: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?
...
Rails migrations: self.up and self.down versus change
Looks like the new rails version has "change" versus self.up and self.down methods.
3 Answers
...
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.
...
Should I use encoding declaration in Python 3?
Python 3 uses UTF-8 encoding for source-code files by default. Should I still use the encoding declaration at the beginning of every source file? Like # -*- coding: utf-8 -*-
...
Is it possible for intellij to organize imports the same way as in Eclipse?
I'm working on a project where all the team members are using Eclipse and I'm the only IDEA user. This creates a lot of noise from imports rearrangements. The order in which eclipse imports is: Java, Javax, Org, Com, everything else in alphabetical order. Is it possible to configure IDEA to follow t...