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How to check if a variable exists in a FreeMarker template?
...alues are supplied when the template is processed. I want to conditionally include part of the template if the userName variable is supplied, something like:
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Clear a terminal screen for real
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Thanks! But it clears every thing including the prompt. See my answer for a solution which doesn't do this.
– Autodidact
Mar 20 '11 at 6:15
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How does Facebook Sharer select Images and other metadata when sharing my URL?
...ted, and how can I ensure that any particular image on my page is always included in this list?
12 Answers
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How to handle a lost KeyStore password in Android?
.../wiki/HowTo
You can optionally give it a list of words the password might include for a very fast recover (for me it worked in <1 sec)
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Operator precedence with Javascript Ternary operator
...l done just to keep a space from the start, I doesn't worth it. (edge case include exact jQuery or XPath selectors). Anyway, thanks.
– Kobi
Jun 22 '11 at 4:44
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jQuery convert line breaks to br (nl2br equivalent)
... IE6-7 and other old browsers fall back to the more extreme pre which also includes nowrap and renders multiple spaces. Details on these and other settings (pre-wrap) at mozilla and css-tricks (thanks @Sablefoste).
While I'm generally averse to the S.O. predilection for second-guessing the question...
How do I move files in node.js?
...ny method for that or should I read a file, write to a new file and remove older file?
15 Answers
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Is there a good reason to use upper case for SQL keywords? [closed]
...the editor/formatter can't reasonably know it's dealing with SQL. Examples include in-line queries, programmer documentation, and text strings within the code of another language. The same is not true anywhere near as often for languages like Python or C++; yes, their code does sometimes appear in t...
How to use performSelector:withObject:afterDelay: with primitive types in Cocoa?
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What is the difference between a deep copy and a shallow copy?
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