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What is a wrapper class?

...an manage the process of invoking the COM component without bothering the calling code with it. They can also simplify the use of the underlying object by reducing the number interface points involved; frequently, this makes for more secure use of underlying components. ...
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File content into unix variable with newlines

... The assignment does not remove the newline characters, it's actually the echo doing this. You need simply put quotes around the string to maintain those newlines: echo "$testvar" This wil give the result you want. See the following transcript for a demo: pax> cat num1.txt ; x=$(cat...
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Pairs from single list

...e=2): it = iter(t) return izip(*[it]*size) When you want to pair all elements you obviously might need a fillvalue: from itertools import izip_longest def blockwise(t, size=2, fillvalue=None): it = iter(t) return izip_longest(*[it]*size, fillvalue=fillvalue) ...
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How can I escape square brackets in a LIKE clause?

...derscore from a query, so I ended up with this: WHERE b.[name] not like '\_%' escape '\' -- use \ as the escape character share | improve this answer | follow ...
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How to Copy Text to Clip Board in Android?

... In androidx it actually becomes ClipboardManager clipboard = getSystemService(getContext(), ClipboardManager.class); – HoratioCain Apr 25 '19 at 18:30 ...
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Watermark / hint text / placeholder TextBox

How can I put some text into a TextBox which is removed automatically when user types something in it? 33 Answers ...
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How to search DOM elements using XPath or CSS selectors in Chrome Developer Tools?

...ction accepts a second optional argument, context. $x(xpath, context) This allows you to select a particular iframe content, for example, and run an xpath query against it. So for the first iframe: myframe = document.getElementsByTagName("iframe")[0].contentWindow.document.body; #to xpath query that...
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What does PHP keyword 'var' do?

...tants states that var must not be used, and visibility must be declared on all properties. – Charles Wood Nov 11 '19 at 14:23 ...
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What's the reason I can't create generic array types in Java?

What's the reason why Java doesn't allow us to do 17 Answers 17 ...
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Displaying the build date

...ing(0,16);}} > "$(ProjectDir)\BuildTimestamp.cs" - - - --> then can call it with Build.Timestamp – FabianSilva Jun 2 '14 at 16:10 ...