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Checking for a null int value from a Java ResultSet
... 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_PARENT");
if (rs.wasNull()) {
...
vertical align middle in
... want to keep the height of #abc div at 50px and text to align vertically in the middle of the div .
10 Answers
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Using LINQ to concatenate strings
...pport aggregates as extension methods. Using the dot-notation, one simply calls a method on an IEnumerable object.
Remember that aggregate queries are executed immediately.
More information - MSDN: Aggregate Queries
If you really want to use Aggregate use variant using StringBuilder proposed in...
How can you automatically remove trailing whitespace in vim
...We use as much vi as vim (I use vim; they don't because they'd have to install it). I have a program I call stb to Strip Trailing Blanks and I use that as a filter; works in vi too. This is better.
– Jonathan Leffler
Jan 15 '09 at 14:06
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How to tell if UIViewController's view is visible
... be better to check first to see if it is already loaded. I've added the call to isViewLoaded to avoid this problem.
if (viewController.isViewLoaded && viewController.view.window) {
// viewController is visible
}
Since iOS9 it has became easier:
if viewController.viewIfLoaded?.windo...
Rebasing a Git merge commit
... to do an interactive rebase and edit the merge commit, redo the merge manually and continue the rebase.
Another is to use the --rebase-merges option on git rebase, which is described as follows from the manual:
By default, a rebase will simply drop merge commits from the todo list, and put the reb...
Why does find -exec mv {} ./target/ + not work?
...thing.
find -exec command {} \;
For each result, command {} is executed. All occurences of {} are replaced by the filename. ; is prefixed with a slash to prevent the shell from interpreting it.
find -exec command {} +
Each result is appended to command and executed afterwards. Taking the command...
Is Using .NET 4.0 Tuples in my C# Code a Poor Design Decision?
...The consumer (not you) has to either guess or look up documentation, especially for things like Tuple<int, int>.
I would use them for private/internal members, but use result classes for public/protected members.
This answer also has some info.
...
How to change bower's default components folder?
...ect that uses bower from twitter. I created a component.json to maintain all my dependency like jquery. Then I run bower install that installs everything in a folder named components . But I need to install the components in a different folder, e.g. public/components .
...
Iteration ng-repeat only X times in AngularJs
... This is an incredibly useful piece of code, but this does not actually satisfy the OP's question. He is simply looking for a way to repeat n times, and likely doesn't have an actual object to iterate over.
– SamHuckaby
Oct 16 '14 at 16:05
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