大约有 15,600 项符合查询结果（耗时：0.0238秒） [XML]
What should I name a table that maps two tables together? [closed]
...ngs in Computer Science: cache invalidation, naming things, and off-by-one errors"
– Neil McGuigan
Aug 9 '13 at 1:25
1
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How can I get the console logs from the iOS Simulator?
...'
xcrun simctl spawn booted log stream --predicate 'eventMessage contains "error" and messageType == info'
# a log dump that Console.app can open
xcrun simctl spawn booted log collect
# open location where log collect will write the dump
cd `xcrun simctl getenv booted SIMULATOR_SHARED_RESOURCES_DI...
How to implement OnFragmentInteractionListener
...those of you who visit this page looking for further clarification on this error, in my case the activity making the call to the fragment needed to have 2 implements in this case, like this:
public class MyActivity extends Activity implements
MyFragment.OnFragmentInteractionListener,
Navi...
Make an existing Git branch track a remote branch?
...accepted answer, to set the upstream remote for an existing branch, I got: error: the requested upstream branch 'upstream/master' does not exist.
– Steve K
May 13 '14 at 23:02
...
Delete directories recursively in Java
...ception e)
{
// fallback to internal implementation on error
}
if (Files.exists(directory))
removeRecursive(directory);
}
}
(SystemUtils is from Apache Commons Lang. Processes is private but its behavior should be obvious.)
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How do I check in JavaScript if a value exists at a certain array index?
...
Using only .length is not safe and will cause an error in some browsers. Here is a better solution:
if(array && array.length){
// not empty
} else {
// empty
}
or, we can use:
Object.keys(__array__).length
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How to make a edittext box in a dialog
...
@Abhishek display a toast message or set error for edittext. stackoverflow.com/questions/7747268/…
– Raghunandan
Sep 14 '13 at 8:10
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SVN repository backup strategies
...te a test repository from the backup
Do a test checkout
Email you with any errors (via cron)
The script:
my $svn_repo = "/var/svn";
my $bkup_dir = "/home/backup_user/backups";
my $bkup_file = "my_backup-";
my $tmp_dir = "/home/backup_user/tmp";
my $bkup_svr = "my.backup.com";
my $bkup_svr_lo...
Is the ternary operator faster than an “if” condition in Java [duplicate]
...ses, the resulting code will not be correct without it, raising a compiler error? Well, the same can be archived with writing the else-keyword first. Where is the difference?
– user unknown
Jan 28 '16 at 23:15
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Python nonlocal statement
... to that.
If you specify nonlocal and there is no "x", it will give you an error message.
The keyword global has always seemed strange to me since it will happily ignore all the other "x" except for the outermost one. Weird.
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