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String, StringBuffer, and StringBuilder
...nd operations in the construction of the string) and will only be accessed from a single thread, using a StringBuilder is good enough.
If your string can change, and will be accessed from multiple threads, use a StringBuffer because StringBuffer is synchronous so you have thread-safety.
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Why does Google +1 record my mouse movements? [closed]
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Isn't Math.random() seeded from the current timestamp? If so, with a widely deployed button like this, you'd expect a lot of collisions. Might explain the extra efforts.
– Yahel
Jul 24 '11 at 3:12
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Visual Studio 2010 always thinks project is out of date, but nothing has changed
...er) answers for VS2012, VS2013, etc
To find the missing file(s), use info from the article Enable C++ project system logging to enable debug logging in Visual Studio and let it just tell you what's causing the rebuild:
Open the devenv.exe.config file (found in %ProgramFiles%\Microsoft Visual Stud...
Why am I not getting a java.util.ConcurrentModificationException in this example?
...ow ConcurrentModificationException when it removes the second last element from the list.
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How do I change the language of moment.js?
...ed to import the wanted language other wise this wont work: import moment from 'moment'; import localization from 'moment/locale/de' moment().locale("de", localization).format('LLL')
– Blue Bot
Sep 6 '18 at 8:10
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how to change uiviewcontroller title independent of tabbar item title
...e tabBarItem onto the navigation controller instead for it to be picked up from the tab bar controller.
None of the answers posted by others worked for me because my tab bar's view controllers all have navigation controllers at their root - this is a common hierarchy pattern for UITabBarController....
How to get the user input in Java?
...ew DataInputStream(System.in);
int i = dis.readInt();
The readLine method from the DataInputStream class has been deprecated. To get String value, you should use the previous solution with BufferedReader
Console class
import java.io.Console;
//...
Console console = System.console();
String s = con...
What is the difference between a process and a thread?
...thread, often called the primary thread, but can create additional threads from any of its threads.
Thread
A thread is an entity within a process that can be scheduled for execution. All threads of a process share its virtual address space and system resources. In addition, each thread maintains ex...
How do I use valgrind to find memory leaks?
...l heap blocks were freed -- no leaks are possible
ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)
ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)
I have a leak, but WHERE?
So, you have a memory leak, and Valgrind isn't saying anything meaningful.
Perhaps, somethi...
UIButton inside a view that has a UITapGestureRecognizer
... on its own and prevents the view which has a tabrecognizer attached to it from 'highjacking' the tap. No need to implement a delegate if all you want to do is make a view clickable (to resign first responder / hide the keyboard on textfields etc).. awesome!
– EeKay
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