大约有 37,000 项符合查询结果（耗时：0.0477秒） [XML]
UIRefreshControl on UICollectionView only works if the collection fills the height of the container
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LarryLarry
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1
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Count immediate child div elements using jQuery
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answered Oct 30 '08 at 15:49
Garry ShutlerGarry Shutler
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How to get the insert ID in JDBC?
...int affectedRows = statement.executeUpdate();
if (affectedRows == 0) {
throw new SQLException("Creating user failed, no rows affected.");
}
try (ResultSet generatedKeys = statement.getGeneratedKeys()) {
if (generatedKeys.next()) {
use...
psycopg2: insert multiple rows with one query
... located in another city.
I found out that using this method was about 10 times faster than executemany. In my case tup is a tuple containing about 2000 rows. It took about 10 seconds when using this method:
args_str = ','.join(cur.mogrify("(%s,%s,%s,%s,%s,%s,%s,%s,%s)", x) for x in tup)
cur.exe...
Subscript and Superscript a String in Android
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160
((TextView)findViewById(R.id.text)).setText(Html.fromHtml("X<sup>2</sup>"));
or
C...
Android应用内存泄露分析、改善经验总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...果明显：完全退出应用时，手动触发GC，从原来占有内存100多M降到低于20M...前言
  通过这几天对好几个应用的内存泄露检测和改善，效果明显：
完全退出应用时，手动触发GC，从原来占有内存100多M降到低于20M；
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JavaScript module pattern with example [closed]
...larpattern = (function() {
// your module code goes here
var sum = 0 ;
return {
add:function() {
sum = sum + 1;
return sum;
},
reset:function() {
return sum = 0;
}
}
}());
alert(modularpattern.add()); //...
count vs length vs size in a collection
...ifferent from the length in cases like vectors (or strings), there may be 10 characters in a string, but storage is reserved for 20. It also may refer to number of elements - check source/documentation.
Capacity() - used to specifically refer to allocated space in collection and not number of valid...
Why can I access TypeScript private members when I shouldn't be able to?
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GuffaGuffa
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Error : The service is invalid
...o a Clean then Rebuild.
Disconnect, reconnect device.
Restart iOS device (90% of the time it fixes things)
If all else fails, restart your Mac (unlikely but it did fix an issue once for me).
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