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How are echo and print different in PHP? [duplicate]
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From:
http://web.archive.org/web/20090221144611/http://faqts.com/knowledge_base/view.phtml/aid/1/fid/40
Speed. There is a difference between the two, but speed-wise it
should be irrelevant which one you use. echo is marginally faster
since it doesn't set a return value if you really want to ge...
Android file chooser [closed]
...tent in an Intent.createChooser() like this:
private static final int FILE_SELECT_CODE = 0;
private void showFileChooser() {
Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
intent.setType("*/*");
intent.addCategory(Intent.CATEGORY_OPENABLE);
try {
startActivityFor...
Convert an NSURL to an NSString
...[myURL absoluteString]; But I had met this error and xcode was crashed. -[__NSCFString absoluteString]: unrecognized selector sent to instance 0x791a18e0
– Võ Mai Trinh
Jun 22 '15 at 9:39
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Setting Authorization Header of HttpClient
...token");
– TroySteven
Mar 18 '19 at 21:50
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show 6 more comments
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Could not find an implementation of the query pattern
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answered Nov 21 '11 at 17:45
k.mk.m
27.3k66 gold badges5555 silver badges8080 bronze badges
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How to list all users in a Linux group?
...rs;
my $usertext = `getent passwd`;
my @users = $usertext =~ /^([a-zA-Z0-9_-]+):/gm;
foreach my $userid (@users)
{
my $usergrouptext = `id -Gn $userid`;
my @grouplist = split(' ',$usergrouptext);
foreach my $group (@grouplist)
{
$groupmembers{$group}->{$userid} = 1;
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How do I force a UITextView to scroll to the top every time I change the text?
...ases.
– John Contarino
Jun 9 '15 at 21:52
4
Works for me in iOS 9 but not earlier than viewDidApp...
Increment value in mysql update query
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answered Feb 13 '10 at 21:40
Tomas MarkauskasTomas Markauskas
10.6k22 gold badges3030 silver badges3434 bronze badges
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How to get an enum value from a string value in Java?
...ame?
– Kevin Meredith
Feb 12 '14 at 21:24
4
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Python regular expressions return true/false
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21
re.match(...) would return true if the string's beginning part match the regular pattern. While search will confirm the pattern anywhere in...