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jQuery Ajax error handling, show custom exception messages
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This is still the correct way of doing this after 2 years and a half... :) I went a little further and actually return my own error JSON object that can handle single or multiple errors, quite good for server-side form validation.
– AlexCode
Ju...
IntelliJ show JavaDocs tooltip on mouse over
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This worked perfectly for me, and was exactly what I was looking for when I googled my issue. This seems to be the most up-to-date solution.
– Andrei Bârsan
Feb 19 '14 at 15:39
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Ruby Regexp group matching, assign variables on 1 line
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Beware that if no matches are found, match returns nil and you get a NilError. If you are in Rails, I suggest you to change: one, two, three = string.match(/(^.*)(:)(.*)/i).captures into: one, two, three = string.match(/(^.*)(:)(.*)/i).try(:captures)
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Store query result in a variable using in PL/pgSQL
...at will pull the name from test_table where id is your function's argument and leave it in the name variable. Don't leave out the table name prefix on test_table.name or you'll get complaints about an ambiguous reference.
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How to convert a normal Git repository to a bare one?
...y that it is now a bare repository.
To do this, execute the following commands:
cd repo
mv .git ../repo.git # renaming just for clarity
cd ..
rm -fr repo
cd repo.git
git config --bool core.bare true
Note that this is different from doing a git clone --bare to a new location (see below).
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What is a 'SAM type' in Java?
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To summarize the link Jon posted1 in case it ever goes down, "SAM" stands for "single abstract method", and "SAM-type" refers to interfaces like Runnable, Callable, etc. Lambda expressions, a new feature in Java 8, are considered a SAM type and can be freely converted to them.
For example, wi...
Pass parameters in setInterval function
...parameter to the function so its value is captured in the function closure and retained for when the timer expires. function createInterval(f,dynamicParameter,interval) { setInterval(function() { f(dynamicParameter); }, interval); } Then call it as createInterval(funca,dynamicValue,500); Obviously ...
Query for documents where array size is greater than 1
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2.Create extra field NamesArrayLength, update it with names array length and then use in queries:
db.accommodations.find({"NamesArrayLength": {$gt: 1} });
It will be better solution, and will work much faster (you can create index on it).
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Why git AuthorDate is different from CommitDate?
I lookup my git logs and find that the AuthorDate and CommitDate is slightly different for some of my commits:
2 Answers
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Check, using jQuery, if an element is 'display:none' or block on click
I want to check and sort elements that are hidden. Is it possible to find all elements with attribute display and value none ?
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