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What is the main purpose of setTag() getTag() methods of View?

...s that are similar. You could set an OnClickListener for each view individually: button1.setOnClickListener(new OnClickListener ... ); button2.setOnClickListener(new OnClickListener ... ); ... Then you have to create a unique onClick method for each view even if they do the similar things, like:...
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TypeScript Objects as Dictionary types as in C#

...ch, the big one being that there's no safe and easy way to iterate through all the members. This code, for instance, shows that map contains two members: (<any>Object.prototype).something = function(){}; class Customer{} var map: { [email: string]: Customer; } = { }; map['foo@gmail.co...
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如何选择机器学习算法 - 大数据 & AI - 清泛网移动版 - 专注C/C++及内核技术

...g algorithm to choose for your classification problem? Of course, if you really care about accuracy, your best bet is to test out a couple different ones (making sure to try different parameters within each algorithm as well), and select the best one by cross-validation. But if you’re simply l...
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Type-juggling and (strict) greater/lesser-than comparisons in PHP

...RUE); // bool(false) Extra: PHP's < operator is not trichotomous, i.e. all of $a < $b, $b < $a and $a == $b can be false (Example same as for <= not being total). Extra: PHP's < operator can be circular, i.e. it is possible that $a < $b, $b < $c and $c < $a: var_dump(INF &...
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GOBIN not set: cannot run go install

I am trying to install my custom package for my main.go file. However, when I ran 13 Answers ...
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How to set SQL Server connection string?

... Actually you can use the SqlConnectionStringBuilder class to build your connection string. To build the connection string, you need to instantiate an object from that SqlConnectionStringBuilder and set their properties with the p...
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throwing an exception in objective-c/cocoa

... I generally prefer this too, but there is one gotcha. Might just be my current version of Xcode, but the [NSException raise...] syntax doesn't seem to be recognized by the parser as an exit path from a method which returns a value...
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bash/fish command to print absolute path to a file

...nd may not be present in every system by default, i.e. you may need to install it. In Debian it resides in a separate package with the same name. – Roman Cheplyaka Oct 12 '10 at 17:22 ...
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How to turn a String into a JavaScript function call? [duplicate]

...eId) {}. Once we have a reference to a function inside a variable, we can call this function by "calling the variable", i.e. fn(t.parentNode.id), which equals clickedOnItem(t.parentNode.id), which was what the OP wanted. More full example: /* Somewhere: */ window.settings = { /* [..] Other setti...
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SQL Server loop - how do I loop through a set of records

...ROM @MyCursor INTO @MyField END; CLOSE @MyCursor ; DEALLOCATE @MyCursor; END; share | improve this answer | follow | ...