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What is the best way to add options to a select from a JavaScript object with jQuery?
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I would first of all assign $("#mySelect") to a var, otherwise calling $("#mySelect") every time inside the loop is very wasteful, as is updating the DOM. See points #3 and #6 at artzstudio.com/2009/04/jquery-performance-rules/…
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Develop Android app using C#
...this on their site dot42 has been discontinued and is no longer supported. All sources are availabe on GitHub. The latest build is available as a binary setup. as of 5/29/2015. They did have a source download and a GitHub.
– JabberwockyDecompiler
May 30 '15 at...
What is the explicit promise construction antipattern and how do I avoid it?
...){
return myPromiseFn(param+1); // much nicer, right?
}
Promises are all about making asynchronous code more readable and behave like synchronous code without hiding that fact. Promises represent an abstraction over a value of one time operation, they abstract the notion of a statement or expr...
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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How to increment a pointer address and pointer's value?
...ou're incrementing it as if you were iterating in an array.
So, to sum it all up:
ptr++; // Pointer moves to the next int position (as if it was an array)
++ptr; // Pointer moves to the next int position (as if it was an array)
++*ptr; // The value of ptr is incremented
++(*ptr); // The va...
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 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...
How to output git log with the first line only?
I am trying to customize the format for git log . I want all commits to be shown in one line. Each line should only show the first line of the commit message.
I found out that git log --pretty=short should do the trick but on my computer it shows the full log as git log does (besides the ti...
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...