大约有 46,000 项符合查询结果（耗时：0.0535秒） [XML]
Ideal way to cancel an executing AsyncTask
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If you're doing computations:
You have to check isCancelled() periodically.
If you're doing a HTTP request:
Save the instance of your HttpGet or HttpPost somewhere (eg. a public field).
After calling cancel, call reques...
Dialog with transparent background in Android
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What about if i am using ALert Dialog ??
– Ahmad Arslan
Feb 4 '15 at 12:19
1
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Remove a JSON attribute [duplicate]
if I have a JSON object say:
2 Answers
2
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Best way to do nested case statement logic in SQL Server
... ensure that it short-circuits, and was suprised to find that it does. So if condition1 checked for a divide by zero, it appears that it's safe to do it in condition2. Not sure if this is guaranteed.
– Cade Roux
Feb 3 '09 at 3:34
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Are parallel calls to send/recv on the same socket valid?
...s much, as a send completes once its put its data into the socket buffer.
If you're using SOCK_STREAM sockets, trying to do things a parallel is less likely to be useful as send/recv might send or receive only part of a message, which means things could get split up.
Blocking send/recv on SOCK_STR...
How to run a class from Jar which is not the Main-Class in its Manifest file
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You can create your jar without Main-Class in its Manifest file. Then :
java -cp MyJar.jar com.mycomp.myproj.dir2.MainClass2 /home/myhome/datasource.properties /home/myhome/input.txt
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mysqldump - Export structure only without autoincrement
..._INCREMENT=[0-9]*\b//' > <filename>.sql
As mentioned by others, If you want sed to works properly, add the g (for global replacement) parameter like this :
mysqldump -u root -p -h <db-host> --opt <db-name> -d --single-transaction | sed 's/ AUTO_INCREMENT=[0-9]*\b//g' > &l...
C++ equivalent of StringBuffer/StringBuilder?
... approach and should only be applied over std::string or std::stringstream if after profiling your code you discover this makes an improvement.
I normally use either std::string or std::stringstream. I have never had any problems with these. I would normally reserve some room first if I know the ...
Circle drawing with SVG's arc path
...eroes, for example in latest Chrome I had to write 0.0001 to make it work. If you're looking for where to put the path string, look at Paths on MDN.
– TWiStErRob
May 10 '16 at 13:42
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How to have click event ONLY fire on parent DIV, not children?
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If the e.target is the same element as this, you've not clicked on a descendant.
$('.foobar').on('click', function(e) {
if (e.target !== this)
return;
alert( 'clicked the foobar' );
});
.foobar {
padd...