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What is the default initialization of an array in Java?
... (whose decimal equivalent is 0).
When you create an array of something, all entries are also zeroed. So your array contains five zeros right after it is created by new.
Note (based on comments): The Java Virtual Machine is not required to zero out the underlying memory when allocating local va...
What's so wrong about using GC.Collect()?
...
From Rico's Blog...
Rule #1
Don't.
This is really the most important
rule. It's fair to say that most
usages of GC.Collect() are a bad idea
and I went into that in some detail in
the orginal posting so I won't repeat
all that here. So let's move on to...
Rule #2
Consi...
Apply formula to the entire column
I'm trying to recode all the zip code from Column A into Column B with the formula:
10 Answers
...
How to select date from datetime column?
...20' has performance issues. As stated here:
it will calculate DATE() for all rows, including those that don't match.
it will make it impossible to use an index for the query.
Use BETWEEN or >, <, = operators which allow to use an index:
SELECT * FROM data
WHERE datetime BETWEEN '2009-10-...
Git - push current branch shortcut
...sh only pushing the current branch, but on other machines, you may accidentally push all matching branches.
– wisbucky
Sep 8 '14 at 2:05
1
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Copy the entire contents of a directory in C#
...
Much easier
//Now Create all of the directories
foreach (string dirPath in Directory.GetDirectories(SourcePath, "*",
SearchOption.AllDirectories))
Directory.CreateDirectory(dirPath.Replace(SourcePath, DestinationPath));
//Copy all the files...
Bundler not including .min files
...
The solution I originally posted is questionable (is a dirty hack). The tweaked behaviour has changed in Microsoft.AspNet.Web.Optimization package and the tweak does not work anymore, as pointed out by many commenters. Right now I cannot reproduc...
What is referential transparency?
...ther words, it is the closest subject outside computer science to what we call programming language semantics. The philosopher Willard Quine was responsible for initiating the concept of referential transparency, but it was also implicit in the approaches of Bertrand Russell and Alfred Whitehead.
...
Should Jquery code go in header or footer?
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All scripts should be loaded last
In just about every case, it's best to place all your script references at the end of the page, just before </body>.
If you are unable to do so due to templating issues and whatnot, ...
How is CountDownLatch used in Java Multithreading?
...or n threads, specified while creating the CountDownLatch.
Any thread, usually the main thread of the application, which calls CountDownLatch.await() will wait until count reaches zero or it's interrupted by another thread. All other threads are required to count down by calling CountDownLatch.coun...