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Regular expressions in C: examples?
...matches[1].rm_so); printf("group1: %s\n", buff); } note that group matches start at 1, group 0 is the entire string. Add error checks for out of bounds, etc.
– BurnsBA
Feb 7 '16 at 7:42
...
Detect if the app was launched/opened from a push notification
...d it.
Additionally, you no longer need to handle the situation of a 'cold start' of the app in application:didFinishLaunchingWithOptions... as application:didReceiveRemoteNotification... is called again after launching in iOS 9+ (maybe 8 as well).
So, how can you tell if the user tap started the c...
How to check if activity is in foreground or in visible background?
...before I finish() my activity I need to check that the next activity has started because a system dialogue box pops-up and I only want to finish() ; once the user has selected an option from the dialogue box?
...
Why should text files end with a newline?
... you make a command to concatenate files such that
it puts each file’s start on a new line, which is what you want 95% of the time; but
it allows merging the last and first line of two files, as in the example above between b.txt and c.txt?
Of course this is solvable but you need to make the u...
Programmatically add custom event in the iPhone Calendar
...WithEventStore:store];
event.title = @"Event Title";
event.startDate = [NSDate date]; //today
event.endDate = [event.startDate dateByAddingTimeInterval:60*60]; //set 1 hour meeting
event.calendar = [store defaultCalendarForNewEvents];
NSError *err = nil;
...
How to make blinking/flashing text with CSS 3
...
You are first setting opacity: 1; and then you are ending it on 0, so it starts from 0% and ends on 100%, so instead just set opacity to 0 at 50% and the rest will take care of itself.
Demo
.blink_me {
animation: blinker 1s linear infinite;
}
@keyframes blinker {
50% {
opacity...
multi-layer perceptron (MLP) architecture: criteria for choosing number of hidden layers and size of
...g your data does require separation by a non-linear technique, then always start with one hidden layer. Almost certainly that's all you will need. If your data is separable using a MLP, then that MLP probably only needs a single hidden layer. There is theoretical justification for this, but my reaso...
XDocument or XmlDocument
...am a large document but use LINQ to XML by positioning an XmlReader at the start of an element, reading an XElement from it and processing it, then moving on to the next element etc. There are various blog posts about this technique, here's one I found with a quick search.
...
NodeJS - What does “socket hang up” actually mean?
...as a server, perhaps a proxy server, receive a request from a client, then start acting upon it (or relay the request to the upstream server), and before you have prepared the response, the client decides to cancel/abort the request.
This stack trace shows what happens when a client cancels the req...
Java GUI frameworks. What to choose? Swing, SWT, AWT, SwingX, JGoodies, JavaFX, Apache Pivot? [close
...ou need a native, pure Java solution, that leaves you with the rest. Let's start with AWT, Swing, SwingX - the Swing way.
AWT is outdated. Swing is outdated (maybe less so but not much work has been done on Swing for the past 10 years). You could argue that Swing was good to begin with but we all k...