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How can I get last characters of a string

...avascript string method .substr() combined with the .length property. var id = "ctl03_Tabs1"; var lastFive = id.substr(id.length - 5); // => "Tabs1" var lastChar = id.substr(id.length - 1); // => "1" This gets the characters starting at id.length - 5 and, since the second argument for .subs...
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Remove element by id

... } } And then you can remove elements like this document.getElementById("my-element").remove(); or document.getElementsByClassName("my-elements").remove(); Note: this solution doesn't work for IE 7 and below. For more info about extending the DOM read this article. EDIT: Reviewing my ans...
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sqlalchemy unique across multiple columns

... that represents locations. Locations "belong" to customers. Locations are identified by a unicode 10 character code. The "location code" should be unique among the locations for a specific customer. ...
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How to scroll up or down the page to an anchor using jQuery?

I'm looking for a way to include a slide effect for when you click a link to a local anchor either up or down the page. 14 ...
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How to add a button to a PreferenceScreen?

I'm quite new to Android Development and just came across Preferences. I found PreferenceScreen and wanted to create a login functionality with it. The only problem I have is that I don't know how I could add a "Login" button to the PreferenceScreen . ...
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How to implement has_many :through relationships with Mongoid and mongodb?

Using this modified example from the Rails guides , how does one model a relational "has_many :through" association using mongoid? ...
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Why am I getting a “401 Unauthorized” error in Maven?

...line it works, but then when you do it from a script it fails (because it didn't exist in the repository the first time around). Either publish using a different version number, or delete the old artefact on the server and republish. The SNAPSHOTS repository (as opposed to the releases repository)...
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How to get form field's id in Django?

Is there any way to get the id of a field in a template? 4 Answers 4 ...
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Javascript Shorthand for getElementById

Is there any shorthand for the JavaScript document.getElementById? Or is there any way I can define one? It gets repetitive retyping that over and over . ...
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MongoDB数据导出导入工具:mongoexport,mongoimport - 大数据 & AI - 清泛...

...个students集合,集合中数据如下: > db.students.find() { "_id" : ObjectId("5031143350f2481577ea81e5"), "classid" : 1, "age" : 20, "name" : "kobe" } { "_id" : ObjectId("5031144a50f2481577ea81e6"), "classid" : 1, "age" : 23, "name" : "nash" } { "_id" : ObjectId("5031145a50f2481577ea81...