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Is embedding background image data into CSS as Base64 good or bad practice?
...mages as data into CSS or HTML templates could be beneficial on mobile web apps. You should measure usage on a case-by-case basis -- I'm not advocating that data URIs should be used everywhere in a mobile web app.
Note that mobile browsers have limitations on total size of files that can be cached....
How to check if a specified key exists in a given S3 bucket using Java
...bject is missing. So you can catch that exception and deal with it in your app.
But in order for this to work, you will need to have ListBucket access for the user on that bucket. Just GetObject access will not work. The reason being, Amazon will prevent you from checking for the presence of the k...
Android: How to enable/disable option menu item on button click?
..., disable, or
enable menu items depending on the
current state of your application.
E.g.
@Override
public boolean onPrepareOptionsMenu (Menu menu) {
if (isFinalized) {
menu.getItem(1).setEnabled(false);
// You can also use something like:
// menu.findItem(R.id.exa...
Twitter Bootstrap alert message close and open again
...e used if you are lazy (which is no good thing if you want an maintainable app).
The do-it-right method:
Create a new data attribute for hiding an element.
Javascript:
$(function(){
$("[data-hide]").on("click", function(){
$("." + $(this).attr("data-hide")).hide()
// -or-, se...
How does Rails keep track of which migrations have run for a database?
...pecially useful when you are using a mix of a mountable engine and a dummy app
– Donato
May 7 '15 at 20:38
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How do I ZIP a file in C#, using no 3rd-party APIs?
.... We use a file extension to associate the download file with our desktop app. One small problem we ran into was that its not possible to just use a third-party tool like 7-zip to create the zip files because the client side code can't open it -- ZipPackage adds a hidden file describing the conten...
How can I put a database under git (version control)?
I'm doing a web app, and I need to make a branch for some major changes, the thing is, these changes require changes to the database schema, so I'd like to put the entire database under git as well.
...
Where is JAVA_HOME on macOS Mojave (10.14) to Lion (10.7)?
...JAVA_HOME and doesn't actually change it. That's what the Java Preferences app is for, which in my case seems broken and doesn't actually change the JVM correctly. It does list the 1.7 JVM but I can toggle/untoggle & drag and drop all I want there without actually changing the output of /usr/lib...
How do I use InputFilter to limit characters in an EditText in Android?
....isSpaceChar(currentChar)) {
filteredStringBuilder.append(currentChar);
}
}
return filteredStringBuilder.toString();
}
}
}
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How can I use a C++ library from node.js?
... on how to do this. Or should I be able to use node-ffi on C++ without a wrapper?
– pancake
May 28 '13 at 2:12
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