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Change from SQLite to PostgreSQL in a fresh Rails project
I have a rails app that's databases are in SQLite (The dev and production). Since I am moving to heroku, I want to convert my database to PostgreSQL.
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Init method in Spring Controller (annotation version)
... the initialization process in Spring. If you have to initialize all beans and autowire/inject them there are at least two ways that I know of that will ensure this. I have only testet the second one but I belive both work the same.
If you are using @Bean you can reference by initMethod, like this...
Cache an HTTP 'Get' service response in AngularJS?
...rJS service that makes an HTTP 'Get' request when its data object is empty and populates the data object on success.
7 Answ...
Git undo changes in some files [duplicate]
...to the index or committed them, then you just want to use the checkout command - this will change the state of the working copy to match the repository:
git checkout A
If you added it to the index already, use reset:
git reset A
If you had committed it, then you use the revert command:
# the ...
Django. Override save for model
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It very interesting method.. by i dont understand it fully. Can you please explain it more explicatively? Or sow some article?
– Pol
Nov 24 '10 at 19:57
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Why do I get a SyntaxError for a Unicode escape in my file path?
The folder I want to get to is called python and is on my desktop.
7 Answers
7
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How would you compare jQuery objects?
...etty much nothing is required other than ensuring they are the same length and share identical nodes. Here is a small code snippet. You may even want to convert this into a jquery plugin for your own uses.
jQuery(function($) {
// Two separate jQuery references
var divs = $("div");
var divs2...
How can I run code on a background thread on Android?
...ill take at most a few seconds to complete
THEN use the following clean and efficient pattern which uses AsyncTask:
AsyncTask.execute(new Runnable() {
@Override
public void run() {
//TODO your background code
}
});
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Variable is accessed within inner class. Needs to be declared final
...u can use final in Java, but I am not sure if you can use it when building Android app, so Googling it might be a good idea :-)
– Kevin Zhao
Oct 12 '15 at 20:15
15
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How to clear ostringstream [duplicate]
...them, then you don't need to call clear().
Usually it is easier, cleaner, and more straightforward (straightforwarder?) just to use a new std::ostringstream object instead of reusing an existing one, unless the code is used in a known performance hot spot.
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