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What is the equivalent of “none” in django templates?
...is displayed.
{{ profile.user.first_name|default:"--" }}
Documentation:
https://docs.djangoproject.com/en/dev/ref/templates/builtins/#default
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SQL NVARCHAR and VARCHAR Limits
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代码块超过1.2w编译apk报错问题 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...rvlet.java:62)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
at org.eclipse.jetty.servlet.ServletHolder$...
What does “WARN Could not determine content-length of response body.” mean and how to I get rid of i
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Asked the same question to one of Rails-Core's members:
https://twitter.com/luislavena/status/108998968859566080
And the answer:
https://twitter.com/tenderlove/status/108999110136303617
ya, it's fine. Need to clean it up, but nothing is being hurt.
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How to trace the path in a Breadth-First Search?
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How to use Git Revert
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Why does the month argument range from 0 to 11 in JavaScript's Date constructor?
...he guy who originally implemented JavaScript (including the Date object):
https://twitter.com/BrendanEich/status/481939099138654209
https://twitter.com/BrendanEich/status/771006397886533632
This happened in 1995, and JDK 1.0 was in beta. It launched in 1996. In 1997, JDK 1.1 came out which ...
Best Practices for Laravel 4 Helpers and Basic Functions?
...aravel's helpers.php method is to add it to your "files" in composer.json (https://github.com/laravel/framework/blob/master/composer.json):
"autoload": {
"classmap": [
...
],
"files": [
"app/libraries/helpers.php"
],
},
What I do is to create small classes (a few m...
What is the difference between the Data Mapper, Table Data Gateway (Gateway), Data Access Object (DA
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How do I do an OR filter in a Django query?
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This might be useful https://docs.djangoproject.com/en/dev/topics/db/queries/#spanning-multi-valued-relationships
Basically it sounds like they act as OR
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