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Selectors in Objective-C?
... class of type 'SEL' and then run methods such as respondToSelector to see if the receiver implements that method. Can someone offer up a better explanation?
...
comparing sbt and Gradle [closed]
...
Note that one key difference between SBT and Gradle is its dependency management:
SBT: Ivy, with a a revision which can be given as a fixed one (1.5.2, for instance) or as latest (or dynamic) one.
See "Ivy Dependency"
That means the "-SNAPSHOT...
Select TreeView Node on right click before displaying ContextMenu
...eViewItem = VisualUpwardSearch(e.OriginalSource as DependencyObject);
if (treeViewItem != null)
{
treeViewItem.Focus();
e.Handled = true;
}
}
static TreeViewItem VisualUpwardSearch(DependencyObject source)
{
while (source != null && !(source is TreeViewItem)...
jquery append to front/top of list
...
StackExchange.ifUsing("editor", function () {
StackExchange.using("externalEditor", function () {
StackExchange.using("snippets", function () {
StackExchange.snippets.init();
...
What's the difference between SortedList and SortedDictionary?
Is there any real practical difference between a SortedList<TKey,TValue> and a SortedDictionary<TKey,TValue> ? Are there any circumstances where you would specifically use one and not the other?
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Why do all browsers' user agents start with “Mozilla/”?
... its User-Agent with Mozilla/ because web servers were routinely browser sniffing and serving pages with frames - a feature supported by both Netscape and IE, but not other browsers of the era - to Netscape only.
Over time, Gecko, Konqueror, Opera, Safari and Chrome each decide to similarly spoof th...
Get the generated SQL statement from a SqlCommand object?
...thing I knocked up for TSQL - could be easily tweaked for other flavors... If nothing else it will give you a start point for your own improvements :)
This does an OK job on data types and output parameters etc similar to using "execute stored procedure" in SSMS. We mostly used SPs so the "text" co...
python list in sql query as parameter
...e values into a plain SQL string. That's absolutely fine for integers, but if we wanted to do it for strings we get the escaping issue.
Here's a variant using a parameterised query that would work for both:
placeholder= '?' # For SQLite. See DBAPI paramstyle.
placeholders= ', '.join(placeholder fo...
How do I fire an event when a iframe has finished loading in jQuery?
...
Yes it works in Chrome but not in IE. If the application is on the web, it has to work in IE also.
– Robert Smith
Dec 10 '19 at 15:43
add ...
How to trigger an event after using event.preventDefault()
...of_stuff_already_done = false;
$('.button').on('click', function(e) {
if (lots_of_stuff_already_done) {
lots_of_stuff_already_done = false; // reset flag
return; // let the event bubble away
}
e.preventDefault();
// do lots of stuff
lots_of_stuff_already_done ...