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Hidden Features of PHP? [closed]
...now this sounds like a point-whoring question but let me explain where I'm coming from.
78 Answers
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git -> show list of files changed in recent commits in a specific directory
...nd to display commit log messages -- for details see the online manual at http://svnbook.red-bean.com/en/1.7/svn.ref.svn.c.log.html
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What's the best way to set a single pixel in an HTML5 canvas?
...+")";
ctx.fillRect( x, y, 1, 1 );
You can test the speed of these here: http://jsperf.com/setting-canvas-pixel/9 or here https://www.measurethat.net/Benchmarks/Show/1664/1
I recommend testing against browsers you care about for maximum speed. As of July 2017, fillRect() is 5-6× faster on Firef...
Accessing inactive union member and undefined behavior?
I was under the impression that accessing a union member other than the last one set is UB, but I can't seem to find a solid reference (other than answers claiming it's UB but without any support from the standard).
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How do you remove a Cookie in a Java Servlet
... are necessary to clear the cookie properly.
private void eraseCookie(HttpServletRequest req, HttpServletResponse resp) {
Cookie[] cookies = req.getCookies();
if (cookies != null)
for (Cookie cookie : cookies) {
cookie.setValue("");
cookie.setPath("/");
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DialogFragment setCancelable property not working
..., because DialogFragment needs to change its behavior based on this."
ref:http://developer.android.com/reference/android/app/DialogFragment.html#setCancelable(boolean)
public class MyDialogFragment extends DialogFragment {
@Override
public Dialog onCreateDialog(Bundle savedInstanceStat...
file_put_contents - failed to open stream: Permission denied
...vironment.
Take a look at the documentation for the 'general query log':
http://dev.mysql.com/doc/refman/5.1/en/query-log.html
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how to get last insert id after insert query in codeigniter active record
...rts you could use
$this->db->trans_start();
$this->db->trans_complete();
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What is the difference between build.sbt and build.scala?
...tailed information, consider reading related section is sbt documentation: http://www.scala-sbt.org/release/docs/Getting-Started/Basic-Def.html#sbt-vs-scala-definition
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How to pass html string to webview on android
...rData, "text/html; charset=utf-8", "UTF-8");
You can check this example
http://developer.android.com/reference/android/webkit/WebView.html
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