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Java compile speed vs Scala compile speed
...artup overhead is to either use fsc or to do continuous building with sbt. IntelliJ needs to be configured to use either option, otherwise its overhead even for small files is unreasonably large.
Slower compilation speed. Scalac manages about 500 up to 1000 lines/sec. Javac manages about 10 times th...
SQLite Reset Primary Key Field
...der try this
rowCounter=1;
do {
rowId = cursor.getInt(0);
ContentValues values;
values = new ContentValues();
values.put(Table_Health.COLUMN_ID,
rowCounter);
updateData2DB(context, values, rowId);
...
Is a Java string really immutable?
...e way, you can change the values of enums, change the lookup table used in Integer autoboxing etc.
Now, the reason s1 and s2 change value, is that they both refer to the same interned string. The compiler does this (as mentioned by other answers).
The reason s3 does not was actually a bit surpris...
Access to Modified Closure
...ottom of this page for a more complex example where the results are counterintuitive.
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Find out what process registered a global hotkey? (Windows API)
...
Your question piqued my interest, so I've done a bit of digging and while, unfortunately I don't have a proper answer for you, I thought I'd share what I have.
I found this example of creating keyboard hook (in Delphi) written in 1998, but is compi...
What's the difference between deque and list STL containers?
...list elements, and that even removal invalidates only the iterators that point to the elements that are removed. The ordering of iterators may be changed (that is, list::iterator might have a different predecessor or successor after a list operation than it did before), but the iterators themselves ...
How to append text to an existing file in Java?
..."myfile.txt", true);
BufferedWriter bw = new BufferedWriter(fw);
PrintWriter out = new PrintWriter(bw))
{
out.println("the text");
//more code
out.println("more text");
//more code
} catch (IOException e) {
//exception handling left as an exercise for the reader
}
Notes...
What is the difference between cout, cerr, clog of iostream header in c++? When to use which one?
... tried researching the difference between cout , cerr and clog on the internet but couldn't find a perfect answer. I still am not clear on when to use which. Can anyone explain to me, through simple programs and illustrate a perfect situation on when to use which one?
...
Easiest way to detect Internet connection on iOS?
...ke this
Reachability *networkReachability = [Reachability reachabilityForInternetConnection];
NetworkStatus networkStatus = [networkReachability currentReachabilityStatus];
if (networkStatus == NotReachable) {
NSLog(@"There IS NO internet connection");
} else {
...
How to declare or mark a Java method as deprecated?
...t;/pre></blockquote>
*
*/
@Deprecated
public void setBaseprice(int basePrice) {
}
remember to explain:
Why is this method no longer recommended. What problems arise when using it. Provide a link to the discussion on the matter if any. (remember to separate lines for readability <b...