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How do I automatically sort a has_many relationship in Rails?
...e adding a default order is cumbersome for some reason or you want to override your default in certain cases, it is trivial to specify it in the fetching action itself:
sorted = article.comments.order('created_at').all
sha...
How to prevent a scrollview from scrolling to a webview after data is loaded?
...g my view, my WebView is being automatically scrolled to after the data inside it loads.
7 Answers
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Connection timeout for SQL server
...r connection string:
A value of 0 indicates no limit, and should be avoided in a
ConnectionString because an attempt to connect waits indefinitely.
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What is [Serializable] and when should I use it?
...he developer to save the state of an object and recreate it as needed, providing storage of objects as well as data exchange. Through serialization, a developer can perform actions like sending the object to a remote application by means of a Web Service, passing an object from one domain to another...
What is the difference between Fragment and FragmentActivity?
... and not FragmentActivity to hold your Fragments.
Some details:
Use android.app.Fragment with Activity. Use android.support.v4.app.Fragment with FragmentActivity. Don't add the support package Fragment to an Activity as it will cause an Exception to be thrown.
A thing to be careful with: Fragment...
What does “atomic” mean in programming?
...;
Or to synchronize every access to the variable:
public synchronized void setFoo(long value) {
this.foo = value;
}
public synchronized long getFoo() {
return this.foo;
}
// no other use of foo outside of these two methods, unless also synchronized
Or to replace it with an AtomicLong:
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Swift equivalent for MIN and MAX macros
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Sorry. How did you learn this? I don't see it in 'The Swift Programming Language' nor in an Xcode6 documentation search.
– GoZoner
Jun 12 '14 at 14:35
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How to use JavaScript source maps (.map files)?
... file, and will allow you to see the original version of the code. If you didn't have the sourcemap, then any error would seem cryptic at best.
Same for CSS files. Once you take a SASS or LESS file and compile it to CSS, it looks nothing like its original form. If you enable sourcemaps, then you can...
Is it possible to change the radio button icon in an android radio button group
I am wanting to allow the user of my android application the ability to set some parameters. The radio button is ideal for this situation. However, I don't like the radio buttons are rendered.
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In Go's http package, how do I get the query string on a POST request?
... the desired field isn't present, use r.URL.Query().Get("moviename") to avoid this fatal mistake).
– Dave C
Mar 24 '15 at 20:01
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