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How to use an existing database with an Android application [duplicate]
... String sql ="SELECT * FROM myTable";
Cursor mCur = mDb.rawQuery(sql, null);
if (mCur != null) {
mCur.moveToNext();
}
return mCur;
} catch (SQLException mSQLException) {
Log.e(TAG, "getTestData >>"+...
How to return a file using Web API?
...and set the contentType to application/octet-stream if we want to send the raw bytes. Example:
[HttpGet("{id}")]
public IActionResult GetDocumentBytes(int id)
{
byte[] byteArray = GetDocumentByteArray(id);
return new FileContentResult(byteArray, "application/octet-stream");
}
...
Why is exception.printStackTrace() considered bad practice?
...rself, use logging framework like Logback or Log4J, to not put them on the raw console because it is very hard to control it.
With logging framework you can easily redirect stack traces to file, console or even send them to a specified e-mail address. With hardcoded printStackTrace() you have to li...
AJAX POST and Plus Sign ( + ) — How to Encode?
...tring=%2B
On your server:
echo $_GET['string']; // "+"
It is only the raw HTTP request that contains the url encoded data.
For a GET request you can retrieve this from the URI. $_SERVER['REQUEST_URI'] or $_SERVER['QUERY_STRING']. For a urlencoded POST, file_get_contents('php://stdin')
NB:
...
How to write a CSS hack for IE 11? [duplicate]
...org/css_hacks.html to see if the ie11 one is working natively for you. The raw css-only ie10-11 media query above should still work and combining that with the ie11 one to separate ie10 from ie11 within the media query (without the javascript) should work as well.
– Jeff Clayto...
doGet and doPost in Servlets
...out a bookmarkable request. Clicking a link, clicking a bookmark, entering raw URL in browser address bar, etcetera will all fire a HTTP GET request. If a Servlet is listening on the URL in question, then its doGet() method will be called. It's usually used to preprocess a request. I.e. doing some b...
How to use Swift @autoclosure
...t a cooked function(or returned type) meanwhile a general closure accept a raw function
@autoclosure argument type parameter must be '()'
@autoclosure ()
@autoclosure accept any function with only appropriate returned type
Result of closure is calculated by demand
Let's take a look at examp...
Creating temporary files in bash
...' are replaced with a combination of the current process number and random letters.
For more details: man mktemp
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Why does Go have a “goto” statement
... The referenced code is not optimized for readability. It is optimized for raw performance, using a goto that spans 22 lines within a single function. (And Thomas Ahle's proposal is even more readable to my eye.)
– joel.neely
Jun 28 '16 at 11:14
...
C++, Free-Store vs Heap
... I generally think of the heap (via maloc/free) as a sort of 'raw' material supplier. You ask for a chunk of memory you get it no frills. You have to build any structures yourself. The Free Store (new/delete) is more like a 'finished goods' supplier. You ask for an object and it gets a...