????????????????????????
???????????? ???????[ 2011/11/29 10:05:59 ] ????????
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????????????д??????????????????????????????????Ч??????????????????????????????籾???е???????????????????????????? ???????????????? ????????????????????????????????????????
?????Filter()
????д????δ??????????????????????
results= Database.all_objects.filter("year <= 2011")
?????results?????????????
????????year<=2011?????
???в?????year<=2011?????
????????????filter??????????????????????????????????????????????????????????????????filter??????????? ?????
????????????Ч?????????????????????????select?????????????????????????????????exclude??
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????????????????????????????????????????????????????????????????????????????Σ????????
bool read_password= true;
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??????????£?????????????read????????????need_password????user_is_authenticated?????檔
???????£???????is??has??can????should?????ò??????????????????????
??????и???????SpaceLeft()???????????????????????????????????????????????????????????????????? HasSpaceLeft()??
???У???????????÷????????????????磺
bool disable_ssl= false;
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bool use_ssl= true;
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???????????????????????????????????????????????????壬????????????????????????????????????£??????????ò??????? ??????????? ?????
?????get*()
???????????????????????淶???????????get?????????????????????????????????????????Υ??????淶??????????????? ???????????????java????ε???????
public class StatisticsCollector { public void addSample(double x) { ... } public double getMean() { // Iterate through all samples and return total / num_samples } ...}
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???·???
??????????????????
2023/3/23 14:23:39???д?ò??????????
2023/3/22 16:17:39????????????????????Щ??
2022/6/14 16:14:27??????????????????????????
2021/10/18 15:37:44???????????????
2021/9/17 15:19:29???·???????·
2021/9/14 15:42:25?????????????
2021/5/28 17:25:47??????APP??????????
2021/5/8 17:01:11