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How to check if a variable exists in a FreeMarker template?
...me is null, the result if null would be:
Hi , How are you?
if_exists is now deprecated and has been replaced with the default operator ! as in
Hi ${userName!}, How are you?
the default operator also supports a default value, such as:
Hi ${userName!"John Doe"}, How are you?
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How to conclude your merge of a file?
...as Marius, had done a merge, resolved the conflicts, but nothing to commit now (somehow). Had to manually delete the MERGE* files as suggested.
– Simon East
Apr 30 '12 at 2:03
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JavaScript - cannot set property of undefined
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@JeremyJStarcher: absolutely correct and important to know, but by that level of thinking, JavaScript has no arrays; it only has objects
– vol7ron
Sep 19 '12 at 0:29
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Handle spring security authentication exceptions with @ExceptionHandler
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I know the question is a little bit old, but did you register your AuthenticationEntryPoint to SecurityConfig?
– leventunver
Dec 21 '16 at 18:52
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SQL ON DELETE CASCADE, Which Way Does the Deletion Occur?
... Great! Thank you. follow up answer: Because I way over thought it. Fixed now... and in my DB
– Oliver Spryn
Nov 18 '12 at 21:43
59
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What are the differences between a HashMap and a Hashtable in Java?
...r @aberrant80 or an admin by flagging. Flagging could help - will try that now.
– anon58192932
Oct 14 '16 at 20:05
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show 1 more comment
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Which is the first integer that an IEEE 754 float is incapable of representing exactly?
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The next integer is indeed 16777218, because 2 now becomes the last significant binary digit.
– kennytm
Oct 16 '14 at 7:53
6
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Jquery .on() submit event
...ent).on has much lower performance than $('form.remember').on('submit'. It now has to listen for all submit events in the document. It's much better to restrict the scope a little than listen on document, if possible
– Liam
Nov 4 '14 at 10:03
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Encrypt Password in Configuration Files? [closed]
...rds i ran into that same problem, i went witht the obfuscate it method for now but havnt come up with an acceptable solution yet, thanks for your suggestions.
– Petey B
Jul 15 '09 at 20:39
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How to join (merge) data frames (inner, outer, left, right)
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This works in data.table now, same function just faster.
– marbel
Dec 2 '16 at 19:44
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