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How to debug Lock wait timeout exceeded on MySQL?
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What gives this away is the word transaction. It is evident by the statement that the query was attempting to change at least one row in one or more InnoDB tables.
Since you know the query, all the tables being accessed are candidates for being the culprit.
From there, you should be able to run ...
How to store printStackTrace into a string [duplicate]
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Something along the lines of
StringWriter errors = new StringWriter();
ex.printStackTrace(new PrintWriter(errors));
return errors.toString();
Ought to be what you need.
Relevant documentation:
StringWriter
PrintWriter
T...
How do CDI and EJB compare? interact?
I'm having a tough time understanding how the two interact and where the boundary between them lies. Do they overlap? Are there redundancies between them?
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DateTime “null” value
...searching a lot but couldn't find a solution. How do you deal with a DateTime that should be able to contain an uninitialized value (equivalent to null)? I have a class which might have a DateTime property value set or not. I was thinking of initializing the property holder to DateTime.MinValue, whi...
Checking if form has been submitted - PHP
...e was a POST action use:
if (!empty($_POST))
EDIT: As stated in the comments, this method won't work for in some cases (e.g. with check boxes and button without a name). You really should use:
if ($_SERVER['REQUEST_METHOD'] == 'POST')
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Convert String to double in Java
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How can I initialize a C# List in the same line I declare it. (IEnumerable string Collection Example
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I like this no-parentheses method, what c# version did that start with?
– SilverbackNet
Dec 14 '10 at 10:36
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IntelliJ IDEA shows errors when using Spring's @Autowired annotation
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I had the same problem with IntelliJ IDEA 13.1.4
I solved it by removing the Spring facet (File->Project Structure) and leaving it to just show "Detection".
s...
Remove useless zero digits from decimals in PHP
...m just encountered this in our code, and it had 3 developers puzzled for some time. I think Mark's answer is a better alternative. It is longer, but its intent is clear.
– jfbalanc
Apr 17 '15 at 19:20
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jQuery: serialize() form and other parameters
Is it possible to send form elements (serialized with .serialize() method) and other parameters with a single AJAX request?
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