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What is a Lambda?

... EeveeEevee 41.1k1010 gold badges8080 silver badges117117 bronze badges ...
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Environment variable substitution in sed

... Your two examples look identical, which makes problems hard to diagnose. Potential problems: You may need double quotes, as in sed 's/xxx/'"$PWD"'/' $PWD may contain a slash, in which case you need to find a character not contained in $PWD to ...
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How to find current transaction level?

... Jon Schneider 19.9k1616 gold badges120120 silver badges149149 bronze badges answered Jun 24 '09 at 12:54 SQLMenaceSQLMe...
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Pushing read-only GUI properties back into ViewModel

I want to write a ViewModel that always knows the current state of some read-only dependency properties from the View. 6 An...
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Which one will execute faster, if (flag==0) or if (0==flag)?

...have seen other abuses already. If flag is a built-in, then both should take the same speed. From the Wikipedia article on x86, I'd bet for a Jxx instruction for the if statement: perhaps a JNZ (Jump if Not Zero) or some equivalent. I'd doubt the compiler misses such an obvious optimization, even...
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Difference between $(document.body) and $('body')

... Justin EthierJustin Ethier 119k4848 gold badges215215 silver badges272272 bronze badges ...
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Format numbers to strings in Python

... answered Aug 22 '08 at 15:12 Konrad RudolphKonrad Rudolph 461k118118 gold badges863863 silver badges11101110 bronze badges ...
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Using jQuery to replace one tag with another

...wered Aug 17 '11 at 13:13 Felix KlingFelix Kling 666k151151 gold badges968968 silver badges10321032 bronze badges ...
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Further understanding setRetainInstance(true)

...a Fragment ? The documentation is virtually non-existent and this seems like a very important function. Specifically I want to know how much of this sequence (that I made up) is true: ...
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How to stop event propagation with inline onclick attribute?

... Use event.stopPropagation(). <span onclick="event.stopPropagation(); alert('you clicked inside the header');">something inside the header</span> For IE: window.event.cancelBubble = true <span onclick="window.event.cancelBubble = true; alert('you click...