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Want to find records with no associated records in Rails
...he contact into memory. The SQL request speed is the same, but the overall app benefit is much larger.
– chrismanderson
Mar 23 '17 at 0:09
2
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Understanding spring @Configuration class
...
Create a @Configuration annotated class:
@Configuration
public class MyApplicationContext {
}
For each <bean> tag create a method annotated with @Bean:
@Configuration
public class MyApplicationContext {
@Bean(name = "someBean")
public SomeClass getSomeClass() {
return new SomeC...
If using maven, usually you put log4j.properties under java or resources?
...ng properties with the jar but instead leave it to the client (for example app-server, stage environment, etc) to configure the desired logging. Thus, putting it in src/test/resources is my preferred solution.
Note: Speaking of leaving the concrete log config to the client/user, you should consider...
Chrome Extension Message passing: response not sent
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I've apparently had this issue before; came back to realize I had already upvoted this. This needs to be in bold in big <blink> and <marquee> tags somewhere on the page.
– Qix - MONICA WAS MISTREA...
What is Clojure useful for? [closed]
What real world applications are people using Clojure for?
5 Answers
5
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django urls without a trailing slash do not redirect
I've got two applications located on two separate computers. On computer A, in the urls.py file I have a line like the following:
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How do I rename all files to lowercase?
...
If you're comfortable with the terminal:
Open Terminal.app, type cd and then drag and drop the Folder containing the files to be renamed into the window.
To confirm you're in the correct directory, type ls and hit enter.
Paste this code and hit enter:
for f in *; do mv "$f" "$f....
Is it possible to send an array with the Postman Chrome extension?
...alue1
my_array[] value2
Note:
If you are using the postman packaged app, you can send an array by selecting raw / json (instead of form-data). Also, make sure to set Content-Type as application/json in Headers tab.
Here is example for raw data {"user_ids": ["123" "233"]}, don't forget the q...
Creating a singleton in Python
...), {})): pass
class Logger(Singleton):
pass
An ironic aspect of this approach is that it's using subclassing to implement a metaclass. One possible advantage is that, unlike with a pure metaclass, isinstance(inst, Singleton) will return True.
Corrections
On another topic, you've probably alrea...
Using an ORM or plain SQL? [closed]
For some of the apps I've developed (then proceeded to forget about), I've been writing plain SQL, primarily for MySQL. Though I have used ORMs in python like SQLAlchemy , I didn't stick with them for long. Usually it was either the documentation or complexity (from my point of view) holding me b...