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Where is the itoa function in Linux?
...e sprintf(target_string,"%d",source_int) or (better yet, because it's safe from buffer overflows) snprintf(target_string, size_of_target_string_in_bytes, "%d", source_int). I know it's not quite as concise or cool as itoa(), but at least you can Write Once, Run Everywhere (tm) ;-)
Here's the old (...
Diff Algorithm? [closed]
... Hmmm, in short, sometimes figuring out the underlying algorithm from actual source code (especially if it's optimized to be efficient) can be quite complex. I will be able to understand what the program is doing step by step, but not exactly "why", or a high level overview about that... E...
Programmatically scroll a UIScrollView
...y: y), animated: true)
See the guide "Scrolling the Scroll View Content" from Apple as well.
To do slideshows with UIScrollView, you arrange all images in the scroll view, set up a repeated timer, then -setContentOffset:animated: when the timer fires.
But a more efficient approach is to use 2 im...
Why is creating a Thread said to be expensive?
...urces as long as it is alive; e.g. the thread stack, any objects reachable from the stack, the JVM thread descriptors, the OS native thread descriptors.
The costs of all of these things are platform specific, but they are not cheap on any Java platform I've ever come across.
A Google search foun...
Swift Programming: getter/setter in stored property
..."var" keyword fool you! It does mean that there are two entries accessible from the private namespace, but that has no bearing on protected/public and keeps the value of foo valid at all times. This is essentially the "view" pattern. The problem you get with rewriting via didSet, in addition to it h...
Java code for getting current time [duplicate]
... is a moment on the timeline in UTC.
java.util.Date date = java.util.Date.from( zdt.toInstant() );
Time Zone
Better to specify explicitly your desired/expected time zone rather than rely implicitly on the JVM’s current default time zone.
ZoneId zoneId = ZoneId.of( "America/Montreal" );
ZonedD...
How to sort with lambda in Python
... You have good chance to learn to appreciate keyword parameter passing from this experience.
– Tony Veijalainen
Sep 22 '10 at 6:42
1
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Java String split removed empty values
...
split(delimiter) by default removes trailing empty strings from result array. To turn this mechanism off we need to use overloaded version of split(delimiter, limit) with limit set to negative value like
String[] split = data.split("\\|", -1);
Little more details:
split(regex) inter...
How to have a transparent ImageButton: Android
... alpha-blended composite will be performed each time the Surface changes." from developer.android.com/reference/android/view/SurfaceView.html
– Quintin Robinson
Aug 4 '10 at 6:02
5...
Intercept page exit event
...t in production. console.log is not crossbrowser; each postRequest suffers from the delay of the previous ones (which also means the page will hang there for the duration of your loop * scheduled requests); the requests aren't started in parallel; you aren't guaranteed to really send your requests. ...