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XPath to select multiple tags

...ve the original problem, but it results in a longer and more complex and challenging to understand XPath expression. The simpler expression in this answer, which uses the or operator produces the wanted node-set and can be specified in the "select" attribute of an <xsl:for-each> XSLT operation...
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Getting reference to the top-most view/window in iOS application

... Usually that will give you the top view, but there's no guarantee that it's visible to the user. It could be off the screen, have an alpha of 0.0, or could be have size of 0x0 for example. It could also be that the keyWindow ha...
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How do I strip all spaces out of a string in PHP? [duplicate]

How can I strip / remove all spaces of a string in PHP? 4 Answers 4 ...
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Trim spaces from start and end of string

... Note: As of 2015, all major browsers (including IE>=9) support String.prototype.trim(). This means that for most use cases simply doing str.trim() is the best way of achieving what the question asks. Steven Levithan analyzed many differ...
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Understanding exactly when a data.table is a reference to (vs a copy of) another data.table

...00000000040ED948]: # tracemem[00000000040ED948 -> 00000000040ED830]: .Call copy $<-.data.table $<- .Internal(inspect(DT)) # @0000000003B7E2A0 19 VECSXP g0c7 [OBJ,NAM(2),TR,ATT] (len=2, tl=100) # @00000000040C2288 14 REALSXP g0c2 [NAM(2)] (len=2, tl=0) 1,2 # @00000000040C2250 14 REALS...
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Is it good practice to make the constructor throw an exception? [duplicate]

...c to the problem you are reporting, and 3) it is reasonable to expect the caller to deal with a checked exception for this2. However explicitly declaring or throwing java.lang.Exception is almost always bad practice. You should pick an exception class that matches the exceptional condition that h...
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Why don't structs support inheritance?

...without any knowledge that a derived type is being used.) So, if this actually happened, we'd have memory corruption issues. Specifically, within Square(), values[1].A*=2 would actually be modifying values[0].B! Try to debug THAT! ...
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EditText, clear focus on touch outside

...ss I could set up OnTouchListener 's on the other views in layout and manually clear the EditText 's focus. But seems too hackish... ...
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Is it possible to write data to file using only JavaScript?

... file using JavaScript. I don't want to print it on console. I want to Actually Write data to abc.txt . I read many answered question but every where they are printing on console. at some place they have given code but its not working. So please can any one help me How to actually write data to Fil...
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How do I ZIP a file in C#, using no 3rd-party APIs?

...file extension to associate the download file with our desktop app. One small problem we ran into was that its not possible to just use a third-party tool like 7-zip to create the zip files because the client side code can't open it -- ZipPackage adds a hidden file describing the content type of ea...