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Get the latest record from mongodb collection

... @Digits what performance impact will it have if we place limit at the end also how last record is fetched when your are limiting the output to just one document and it must be the top document in collection. – kailash y...
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Get class name using jQuery

...className = $('#sidebar div:eq(14)').attr('class'); should do the trick. For the ID use .attr('id'). If you are inside an event handler or other jQuery method, where the element is the pure DOM node without wrapper, you can use: this.className // for classes, and this.id // for IDs Both are st...
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Filter dataframe rows if value in column is in a set list of values [duplicate]

... In case anyone needs the syntax for an index: df[df.index.isin(ls)] where ls is your list – howMuchCheeseIsTooMuchCheese Sep 16 '15 at 18:32 ...
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OnNotify函数 ON_NOTIFY消息总结 - C/C++ - 清泛网 - 专注C/C++及内核技术

...消息处理函数的消息映射,然后调用。(checks the message map for notificatio...函数CWnd::OnNotify处理通知消息。其默认实现是检查通知消息处理函数的消息映射,然后调用。(checks the message map for notification handlers to call.)。 一般说来,你不...
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How to create id with AUTO_INCREMENT on Oracle?

...START WITH 1; Trigger definition: CREATE OR REPLACE TRIGGER dept_bir BEFORE INSERT ON departments FOR EACH ROW BEGIN SELECT dept_seq.NEXTVAL INTO :new.id FROM dual; END; / UPDATE: IDENTITY column is now available on Oracle 12c: create table t1 ( c1 NUMBER GENERATED by default...
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How can I find my Apple Developer Team id and Team Agent Apple ID?

...troubles finding my team agent apple id and my team id. I have found it before and I have searched for 30 min without any luck now that i need it. ...
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How to get RelativeLayout working with merge and include?

I have been trying for a few days now to make my layouts more efficient by converting from using several levels of nested LinearLayouts to one RelativeLayout and have come across a few problems that I haven not been able to find a workaround for... ...
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CreateElement with id?

...work. I read something about append , however it seems pretty complicated for a task that seems pretty simple, so is there an alternative? Thanks :) ...
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Accessing MP3 metadata with Python [closed]

...rate over the raw frames: tag = eyeD3.Tag() tag.link("/some/file.mp3") for frame in tag.frames: print frame Once a tag is linked to a file it can be modified and saved: tag.setArtist(u"Cro-Mags") tag.setAlbum(u"Age of Quarrel") tag.update() If the tag linked in was v2 and you'd like ...
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How to select rows with no matching entry in another table?

... of joys, even though values from one table are being used in the style of foreign keys, there's no foreign key constraints on the tables. ...