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Checking for a null int value from a Java ResultSet
...so the default value for your iVal declaration. In which case your test is completely redundant.
If you actually want to do something different if the field value is NULL, I suggest:
int iVal = 0;
ResultSet rs = magicallyAppearingStmt.executeQuery(query);
if (rs.next()) {
iVal = rs.getInt("ID_...
How to write a bash script that takes optional input arguments?
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You could use the default-value syntax:
somecommand ${1:-foo}
The above will, as described in Bash Reference Manual - 3.5.3 Shell Parameter Expansion [emphasis mine]:
If parameter is unset or null, the expansion of word is substituted. Otherwise, the value of par...
How do I return early from a rake task?
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Compiling with g++ using multiple cores
Quick question: what is the compiler flag to allow g++ to spawn multiple instances of itself in order to compile large projects quicker (for example 4 source files at a time for a multi-core CPU)?
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How do I create a slug in Django?
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How to remove folders with a certain name
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What exactly can cause an “HIERARCHY_REQUEST_ERR: DOM Exception 3”-Error?
...nsert a DOM node into a place in the DOM tree where it cannot go. The most common place I see this is on Safari which doesn't allow the following:
document.appendChild(document.createElement('div'));
Generally, this is just a mistake where this was actually intended:
document.body.appendChild(do...
How to activate an Anaconda environment
...envs\py33\Scripts;C:\Anaconda\envs\py33;%PATH%
Now it should work in the command window:
activate py33
The line above is the Windows equivalent to the code that normally appears in the tutorials for Mac and Linux:
$ source activate py33
More info:
https://groups.google.com/a/continuum.io/for...
Remove a HTML tag but keep the innerHtml
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While this works, it's also fairly slow compared to .replacewith() because of the extra DOM traversal...if it's a <b> tag with only HTML it gets even faster.
– Nick Craver♦
Nov 20 '10 at 13:51
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