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What do the parentheses around a function name mean?
...ence of any preprocessor stuff going on, foo's signature is equivalent to
int foo (int *bar)
The only context in which I've seen people putting seemingly unnecessary parentheses around function names is when there are both a function and a function-like macro with the same name, and the programme...
how to read value from string.xml in android?
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String string = getString(R.string.hello);
You can use either getString(int) or getText(int) to retrieve a string. getText(int) will retain any rich text styling applied to the string.
Reference: https://developer.android.com/guide/topics/resources/string-resource.html
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How to pass variable number of arguments to a PHP function
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If you have your arguments in an array, you might be interested by the call_user_func_array function.
If the number of arguments you want to pass depends on the length of an array, it probably means you can pack them into an array themselves -- and use that one for the second ...
How to make part of the text Bold in android at runtime?
...e) {
SpannableStringBuilder sb = new SpannableStringBuilder(text);
int start = text.indexOf(spanText);
int end = start + spanText.length();
sb.setSpan(style, start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
textView.setText(sb);
}
Use it in an Activity like so:
@Override
prote...
Android - Camera preview is sideways
...s is how I implement it:
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
if (isPreviewRunning) {
mCamera.stopPreview();
}
Parameters parameters = mCamera.getParameters();
Display display = ((WindowManager)getSystemService(WI...
What is the default initialization of an array in Java?
So I'm declaring and initializing an int array:
7 Answers
7
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ASP.NET MVC Custom Error Handling Application_Error Global.asax?
...EM RELATIVE TO WHERE YOUR CSPROJ FILE IS!
var requestControllerName = Convert.ToString(HttpContext.Current.Request.RequestContext?.RouteData?.Values["controller"]);
var requestActionName = Convert.ToString(HttpContext.Current.Request.RequestContext?.RouteData?.Values["action"]);
var co...
Java - sending HTTP parameters via POST method easily
...
byte[] postData = urlParameters.getBytes( StandardCharsets.UTF_8 );
int postDataLength = postData.length;
String request = "http://example.com/index.php";
URL url = new URL( request );
HttpURLConnection conn= (HttpURLConnection) url.openConnection();
conn.se...
Throwing cats out of windows
...n.
It agrees with Google result from Gaurav Saxena's link for (100, 2).
int n = 100; // number of floors
int m = 20; // number of cats
int INFINITY = 1000000;
int[][] a = new int[n + 1][m + 1];
for (int i = 1; i <= n; ++i) {
// no cats - no game
a[i][0] = INFINITY;
}
for (int i = 1; ...
Why should I use IHttpActionResult instead of HttpResponseMessage?
...eturning IHttpActionResult, and my answer demonstrates how you are able to convert the old HttpResponseMessage into an IHttpActionResult so that you can have the best of both worlds.
– AaronLS
May 26 '15 at 0:09
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