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What is a good Hash Function?
...
I had read from Jenkins' site that SFH is one of the best then, but I think Murmur might do better, see this excellent answer: programmers.stackexchange.com/questions/49550/…
– nawfal
Apr 14 '13 ...
What is a patch in git version control?
...ntrol so I am trying to figure out what a patch is and how is it different from the rest of activities I do in git?
5 Answe...
What does “#define _GNU_SOURCE” imply?
...nux extension functions
access to traditional functions which were omitted from the POSIX standard (often for good reason, such as being replaced with better alternatives, or being tied to particular legacy implementations)
access to low-level functions that cannot be portable, but that you sometime...
Gmail's new image caching is breaking image links in newsletter
...t the gmail server GoogleImageProxy will try to fetch and store the images from your site to its own proxy server. while fetching the images, GoogleImageProxy found some 404 statuses against your missing images and 403 against some protected images. GoogleImagesProxy has stored these statuses into i...
How to serialize an object into a string
... System.out.println( string );
SomeClass some = ( SomeClass ) fromString( string );
System.out.println( "\n\nReconstituted object");
System.out.println( some );
}
/** Read the object from Base64 string. */
private static Object fromString( String s ) throws...
Debugging Package Manager Console Update-Database Seed Method
...Entity Framework database configuration class when I run Update-Database from the Package Manager Console but didn't know how to do it. I wanted to share the solution with others in case they have the same issue.
...
Check whether a string is not null and not empty
... && fails, thus ensuring you will not get a null pointer exception from str.isEmpty() if str is null.
Beware, it's only available since Java SE 1.6. You have to check str.length() == 0 on previous versions.
To ignore whitespace as well:
if(str != null && !str.trim().isEmpty())
...
Why must wait() always be in synchronized block
...s true:
You can get spurious wakeups (meaning that a thread can wake up from waiting without ever having received a notification), or
The condition can get set, but a third thread makes the condition false again by the time the waiting thread wakes up (and reacquires the monitor).
To deal wit...
ExecutorService, how to wait for all tasks to finish
...swer back, or a reference to the underlying ComputeDTask, but I can't tell from your example.
If it isn't clear, note that invokeAll() will not return until all the tasks are completed. (i.e., all the Futures in your answers collection will report .isDone() if asked.) This avoids all the manual ...
Declaring variables inside loops, good practice or bad practice?
..., whose sole purpose is to declare variables which must retain their value from one loop to another. This typically includes the loop counter itself.
{
int i, retainValue;
for (i=0; i<N; i++)
{
int tmpValue;
/* tmpValue is uninitialized */
/* retainValue still ha...