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Why aren't ◎ܫ◎ and ☺ valid JavaScript variable names?
...that in Internet Explorer (but, unfortunately, not in the other browsers I tested), you can use some Unicode variable names. This made my day, and I was absolutely delighted that I could write fun Unicode-laden code like this:
...
iPhone SDK: what is the difference between loadView and viewDidLoad?
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This may have some problem, I have test when my view controller was not associate with NIB file, viewDidLoad still called
– ruandao
Mar 4 '16 at 13:05
...
Determining if an Object is of primitive type
...ies for this, but it's easy to code up:
import java.util.*;
public class Test
{
public static void main(String[] args)
{
System.out.println(isWrapperType(String.class));
System.out.println(isWrapperType(Integer.class));
}
private static final Set<Class&l...
Why would json_encode return an empty string
...ation. I believe it could help someone. At least, Russian letters pass the test.
function utf8ize($d) {
if (is_array($d) || is_object($d)) {
foreach ($d as &$v) $v = utf8ize($v);
} else {
$enc = mb_detect_encoding($d);
$value = iconv($enc, 'UTF-8', $d);
...
Getting time elapsed in Objective-C
...at CACurrentMediaTime() stops ticking when the device enters sleep. If you test with the device disconnected from a computer, lock it, then wait ~10 minutes you will find that CACurrentMediaTime() does not keep up with wall clock time.
– russbishop
Apr 5 '15 at...
How to echo shell commands as they are executed
...following set +x command being echoed as well, and you lose the ability to test the exit code with $? since it gets overwritten by the set +x.
Another option is to run the command in a subshell:
echo "getting URL..."
( set -x ; curl -s --fail $URL -o $OUTFILE )
if [ $? -eq 0 ] ; then
echo "cu...
Is a colon `:` safe for friendly-URL use?
... no agent should try to tamper with them in any way.
However you have to test it. Web standards are not strictly followed, sometimes the standards are conflicting. For example HTTP/1.1 RFC 2616 does not allow query string in the request URL, while HTML constructs one when submitting a form with GE...
How to get back to the latest commit after checking out a previous commit?
I sometimes check out some previous version of the code to examine or test. I have seen instructions on what to do if I wish to modify previous commits -- but suppose I make no changes. After I've done e.g. git checkout HEAD^ , how do I get back to the tip of the branch?.. git log no longer sho...
Convert System.Drawing.Color to RGB and Hex Value
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Certainly should do, I tested that code specifically and got #"FF0000". What are you getting? You might also like to refer to the MSDN reference: msdn.microsoft.com/en-us/library/…
– Troy Hunt
Mar 7 '10 at 7...
How ListView's recycling mechanism works
...ems like returning convert view even before scrolling won't happen, i have test this myself, unless my listview was inside the lineaLayout it was also having problems like repeating view call and convert view as, putting Listview inside LinearLayout worked like magic for me.(didn't know why)
01-01 1...