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When to use IMG vs. CSS background-image?
...ng icon. This ensures that the meaning of the image can be communicated in all user-agents, including screen readers.
Pragmatic uses of IMG
Use IMG plus alt attribute if the image
is part of the content such as a logo or diagram or person (real person, not stock photo people).
—sanchothefat...
Best practice: AsyncTask during orientation change
...adImageFromNetworkAsyncTask
extends AsyncTask<String, Void, Bitmap> {
@Override
protected Bitmap doInBackground(String... urls) {
return loadImageFromNetwork(urls[0]);
}
@Override
protected void onPostExecute(Bitma...
How to execute a JavaScript function when I have its name as a string
I have the name of a function in JavaScript as a string. How do I convert that into a function pointer so I can call it later?
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How to read XML using XPath in Java
...er = factory.newDocumentBuilder();
Document doc = builder.parse(<uri_as_string>);
XPathFactory xPathfactory = XPathFactory.newInstance();
XPath xpath = xPathfactory.newXPath();
XPathExpression expr = xpath.compile(<xpath_expression>);
Then you call expr.evaluate() passing in the docume...
How can I check if a string is null or empty in PowerShell?
Is there a built-in IsNullOrEmpty -like function in order to check if a string is null or empty, in PowerShell?
11 Answers...
How do I split a string by a multi-character delimiter in C#?
What if I want to split a string using a delimiter that is a word?
10 Answers
10
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How do I get the SharedPreferences from a PreferenceActivity in Android?
...er.getDefaultSharedPreferences(this);
// then you use
prefs.getBoolean("keystring", true);
Update
According to Shared Preferences | Android Developer Tutorial (Part 13) by Sai Geetha M N,
Many applications may provide a way to capture user preferences on the
settings of a specific applicati...
Unescape HTML entities in Javascript?
...script code that communicates with an XML-RPC backend.
The XML-RPC returns strings of the form:
29 Answers
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Rails 3.1: Engine vs. Mountable App
...s, someone please let me know and I'll fix this response. I have made a small article about the subject here Cheers!
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Best timestamp format for CSV/Excel?
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For anyone using Ruby's strftime, the equivalent argument string is "%Y-%m-%d %H:%M:%S"
– madevident
Jan 27 '16 at 15:37
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